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八年級單選訓(xùn)練題
為了提升做題速度，大家要在平時多進(jìn)行習(xí)題練習(xí)，以達(dá)靈活掌握知識運(yùn)用知識，下面小編給大家整理了一些八年級單選訓(xùn)練題，大家可以參考練習(xí)。
八年級單選訓(xùn)練題 篇1
103. --Will you show me the photo of your family?
--OK. I'll it here next week.
A. take B. catch C. carry D. bring
104. They didn't start the work their teacher came back.
A. until B. while C. as soon as D. if
105. --Is the film over?
--I think so. A lot of people are beginning to leave.
A. just B. already C. almost D. mostly
106. --Would you like to come to our party tonight?
--I'd love to, __ I'll have to do my homework at home.
A. so B. but C. because D. and
107. We have never seen __ _ film before. It's very interesting.
A. so good B. such good C. such a good D. a so good
108. Most business letters around the world in English.
A. writes B. is written C. wrote D. are written
109. --Did your teacher tell you ___ this afternoon?
--Yes. We'll go to visit the Science Museum.
A. how to do B. what to do C. to go where D. where go to
110. The old man went to a house________.
A. lonely; lonely B. lonely; alone
C. alone; alone D. alone ;lonely
111. --Has your team beaten theirs?_______.
A. ever; Not yet B. already; Yes, already
C. yet; Not ever D. already; Not yet
112. the old woman was a little worried ,but then she felt quiet all right.
A. From time to time B. In the end
C. In the beginning D. At the same time
113.He his homework and now is listening to music.
A. finished B. finishes C. has finished D. was finishing
114. Li Lei hasn't come yet. I don't know what to him.
A. is happened B. has been taken place
C. has taken place D. has happened
115. Mr Smith in America this time last year.
A. travelled B. would travel C. has travelled D. was travelling
116. --What would you like to do, singing or dancing?
--I choose you a song.
A. sang B. singing C. to sing D. sing
117. Don't go out. I don't want you to ____
A. get lose B. get missed C. get miss D. get lost
118. --I you good luck in the coming new year.
--Thanks.
A. want B. wish C. hope D. like
119. What he said about the life in that country is .
A. surprise B. surprised C. surprising D. to be surprised
120. He’s never visited France, ________ he ?
A. is B. isn’t C. has D. hasn’t
121. Many teenagers find ________ interesting to play ball games.
A. that B. it C. them D. this
122.----Look, it’s going to rain.
----Really ? ______ , I don’t take a raincoat with me.
A. I’m afraid not B. I hope not.
C. Good idea D. I hope so.
123. It was too noisy, ______ we couldn’t hear _____ he said at the meeting.
A. so, that B. so, what C. that, what D. to, that
124. There is only _______ water in the bottle.
A. a bit B. a little of C. a bit of D. a few
125.---- Shall I sit at this end of the boat or the other ?
---- If you keep still(不動的), you can sit at ________ end.
A. neither B. each C. either D. any
126.Mary ________ show us her new dictionary .
A. has asked to B. was asked to
C. is asked D. asks to
127.During the summer holidays , he was made ______ two hours a day.
A. to swim B. swim C. swimming D. swum
128.---- Lily, nice to see you ! ______ to England ?
---- Yes. And I will come back in a week.
A. Have you gone B. Are you going
C. Have you been D. Did you go
129.----Are you learning music now in your free time ?
----No. I’ve stopped ______ Chinese medicine instead.
A. to learn B. learning C. learn D. studying
130. The doctors did what they could _______ her.
A. helping B. help C. helped D. to help
131.Teaching little children is ______, but the teachers always _______.
A. a hard work, to work hard B. hard work, to work hard
C. a hard work, work hard D. hard work, work hard
132. A minute, please. You ________ your room soon.
A. will show B. will be shown C. show D. are showed
133. _______ the students like playing football.
A. Two thousand of B. Thousands of
C. Two thousand D. B and C
134. It was _______ bad weather _______ they all had to stay at home.
A. such a… that B. such… that
C. so… that D. too… to
135.Amy _____ spend all her pocket money, but now she _____ saving some of it.
A. was used to, used to B. used to, is used to
C. used to, used to D. was used to, is used
136. He didn’t come to work ________ his illness.
A. because B. because of C. if D. however
137.I think _______ is enough food to eat during the winter.
A. they all need B. all of their need
C. all they need D. they need all
138.I’m sorry. I still have some problems ______.
A. solving B. to solve C. being solved D. to be solve
139. When will you go back to your hometown ?_________ next week.
A. Sometime B. Some time C. Sometimes D. Some times
140. –Emma has been ill for a week. Is she all right now?
–_______. The teacher says she can come to school tomorrow.
A. I hope not. B. I don’t think so. C. I’m afraid so. D. I think so.
141.Great changes ______in Nanjing High School since I came here in 1980.
A. have been taken place B. took place
C. have taken place D. were taken place
142.Shall we __________a rest. We have worked for a long time.
A. stopped to have B. stopped having
C. stop having D. stop to have
143.___________ excellent film we saw yesterday!
A. What B. How C. What an D. How an
144.--Where is Hellen? I am looking for her.
--_________to Australia. She’s been there for three days.
A. She has gone B. She has been C. She went D. She will go
145. We________ in the swimming pool at that time.
A. were planning to swim B. are planning to swim
C. were planning swimming D. are planning swimming
146. What_______ to the earth in the last ten years?
A. was happened B. has happened
C. happened D. has been happened
147.I’ll tell your daughter about it as soon as she _____ to the meeting tomorrow.
A. comes B. come C. came D. will come
148. The parents made the little boy_______ the piano for one and a half hours.
A. practise playing B. to practise playing
C. practise to play D. to practise to play
149. My cousin_______ the fashionable jacket in the shop.
A. seems like B. like C. seems to like D. appears to be like
150. You can choose any other ________except this.
A. works to do B. duties to do it
C. jobs to do it D. job to do
151. I_________ you will write me back soon.
A. wish B. need C. want D. hope
152. I don’t think_______possible to work out all the maths problems.
A. its B. that C. this D. it
153. This material is used _______ wood in many ways.
A. for B. instead C. instead of D. to
154. The boy showed great ________in drawing.
A. interesting B. interested C. interest D. interests
155. There are many tall trees on________sides of the lake.
A. all B. every C. both D. any
156.I’m always tired and often feel ________ in class.
A. sleepy B. asleep C. sleep D. sleeping
157.The city _________ a lot in the _________ three years.
A. is changing ;passing B. is changed ;past
C. has changed; past D. has been changed ;passed
158.The farmers were all tired,________none of them stopped to have a rest.
A. so B. because C. and D. but
159.She feels quite lonely because she has no close friends to_________.
A. talk about B. listen C. chat D. talk with
160.We all must do something to stop the environment __________.
A. from polluting B. to pollute
C. from polluted D. from being polluted
161.The doctor worked for_______ after twelve o’clock.
A. two more hours B. two another hours
C. more two hours D. another two hour
162.A: Can I come this evening or tomorrow morning?
B:_____________ is OK,I’m free today and towmorrow.
A. Either B. Neither C. Both D. None
163. I’m not sure if it________ tomorrow.If it __________,we’ll put off the match.
A. will rain; will rain B. rains; will rain
C. will rain; rains D. rains; rains
164. The________ old man often walks in the garden_______.
A. lonely, alone B.alone, lonely C. alone, alone D. lonely, lonely
165.—May I borrow your e-dictionary?
--Sorry, my e-dictionary_________, I’ve looked for it everywhere but still_____it.
A. has lost, haven’t found B. is missing , haven’t found
C. has lost, don't find D. is missing, don't find
166. ---Did he________live in Australia?
---Yes, but now he __________ living in Taizhou.
A. used to, used to B. use to, used to C. use to, is used to D. used to, is used to
167.Miss King is kind to us students._______, she is like our elder sister.
A. By the way B. On the way C. In some ways D. However
168.Your father's never been late for work,_________?
A. is he B. has he C. isn't he D. hasn't he
169.Tom is ________ boy now.
A. a 11-years-old B. a 11-year-old C. an 1l-years-old D. an 11-year-old
170.The boy is too busy _____with the toys _____his mother come back home.
A. to play, to see B. playing, to see C. playing, seeing D. to play; seeing
171.---Do you mind ___________here? ---________.
A. me to smoke, Not at all B. my smoking, Certainly not
C. my to smoke, Of course not D. if I smoke, Yes, I don't
172. We must stop all kinds of pollution _________better environment.
A. build B. built C. building D. to build
173.What were you asked ________about the matter?
A. to say B. to speak C. to tell D. to talk
174. Something strange _________ in the sky suddenly just now.
A. was appeared B. appeared C. has appeared D. was appearing
175. ---What a nice meal! Thank you for having us.
--- _________ .I’m so glad you enjoyed it.
A. It's nothing B. It was a pleasure
C. Not nice enough D. With pleasure
176.One of the two books is here. Where’s my________ one?
A. other B. another C. the other D. the others
177.South Hill is 5 km south________ Sunny street.
A. at B. to C. on D. of
178.My father is looking forward to_________ his old friend from Xinjiang.
A. see B. seeing C. saw D. looking at
179.-- How many apples are there in the basket? --_________.
A. No. B. No one. C. None. D. Nothing.
180.Kitty, your cousin is_________ that we all like her.
A. such lovely a girl B. such a lovely girl
C. so lovely a girl D. B and C
181.Tom, with his parents,______ to America. They______ back in two weeks.
A. have gone, will come B. has gone, will come
C. have been, have come D. have been, come
182.--We haven't heard from Jane for a long time.
--What do you suppose ________ to her?
A. was happening B. to happen
C. has happened D. having happened
183.I ________that there________an evening party on Saturday evening.
A. was told, was going to have B. was told, was going to be
C. heard, was going to have D. was said, is going to be
184.--Do you mind_________here? --_______.
A. me to smoke ; Not at all B. my smoking; Yes, I don’t
C. me to smoke; Certainly not D. if I smoke; No, Please.
185. –I________ you good luck in the coming new year.
--Thanks.
A. want B. wish C. hope D. like
186.What he said about the life in that country is________.
A. surprise B. surprised C. surprising D. to be surprised
187.How________it is to see you again!
A. happily B. pleased C. glad D. pleasant
188. How ______ I am to see you again!
A. good B. pleased C. nice D. pleasant
189.He was seen__________ in the reading room every afternoon.
A. sit B. sitting C. sat D. to sit
190.The new book______ by Mr Liu_______ last month.
A. was written, was come out B. written, came out
C. writes, had been out D. wrote, will be out
191.The Maths problem is not________ for him to_________.
A. easy enough, work out it B. enough easy, solve
C. easy enough, work out D. easy enough, work it out
192.What did the teacher tell her to______ at the meeting?
A. tell B. say C. talk D. speak
193.The treasure box is_______. I think.
A. hid somewhere in abroad B. hidden abroad somewhere
C. hidden somewhere abroad D. hidden in somewhere abroad
194.—Ann didn’t come to school yesterday, did she?
--_______, though she was not feeling very well.
A. Yes, she did B. No, she didn’t C. Yes, she didn’t D. No, she did
195.More than 20 people _______ in traffic accidents_____ last March.
A. die, for B. have been dead, for
C. have died, since D. have been dead, since
196.With the money______ he had saved, he went on with his studies.
A. that B. what C. who D. where
197.If you go to the south Hill, _______.
A. so will I B. So I will C. so do I D. So I do
198.I________the good news______ the TV.
A. saw, on B. looked at , on C. saw, by D. looked at, by
199.Tom’s father seemed______ with his bad results.
A. sadly B. sad C. happy D. happily
200.Your donations can provide poor people ___ food and clothes and a chance____.
A. to , to study B. to study C. with, to study D. with, study
201.—Did you bring some books here?
--Yes, I brought______ here, but I can’t find______ now.
A. one, one B. it, it C. one , it D. it, one
202.His friend Mr White wrote_______ book last year.
A. a 800,000-words B. an 800,000—words
C. a 800,000-word D. an 800,000-word
203.If we don’t work hard enough, it will be difficult______ to pass the exam.
A. for you and me B. of you and me
C. that I and you D. that you and me.
204.Who did he_________ about the meeting?
A. say B. speak C. talk D. tell
205.—How long_________ you_______ this pen?
--Only one day. I bought it yesterday.
A. have, bought B. have, had C. did, buy D. have, been
206.—Tickets, please! May I see your ticket , madam? --________
A. I have no ticket. B. What did you say?
C. Certainly! Here it is. D. No, you mustn’t.
207.—What have you come here for? ---________.
A. Borrow a CD B. To borrow a CD C. Borrowing a CD D. Borrowed a CD
208.He looked_______, ________ he could see nothing.
A. carefully, and B. carefully, but C. careful, and D. careful, but
209.—Have you finished your maths work____________?
--Yes, I_________ it a few minutes ago.
A. already, have finished B. yet, have finished
C. yet, finished D. just now, finished
210.I have_______ good friends, so I feel__________ from time to time.
A. a few, lonely B. few, lonely C. some, alone D. no, alone
211.—Did your parents go to see the film yesterday evening?
--No, we_______ stayed at home, watching TV.
A. both B. all C. either D. none
212. “Super Voice Girl” _______ by Hunan TV Station last year.
A. take place B. held C. was held D. took place
213.It’s impossible________ to finish the work in such a short time.
A. of he B. of him C. for him D. for he
214. As we all know, success means________.
A. to work hard B. to working hard C. working hard D. work hard
215.--________ do you want to do when you finish school?
--I want to train_______ an astronaut and become a person____Yang Liwei.
A. How; like; like B. How; as; like C. What; as; like D. What; like; as
216.The old man ________ in the operating room now.
A. is operated on B. is being operated on
C. is operating on D. operates on
217.H1N1 flu(流感) can _________ if we are more careful.
A. prevent B. preventing C. prevented D. be prevented
218.Which of the following charities doesn't work for people?
A. UNICEF. B. World Wide Fund for Nature. C. World Vision. D. ORBIS.
219.—How long________ the film________?
--About ten minutes.
A. does; begin B. has; begun C. is; on D. has; been on
220.There’s too much noise here. Why don’t we go________?
A. everywhere quiet B. quiet everywhere
C. somewhere quiet D. quiet somewhere
221. He’s never late for school, ________?
A. has he B. is he C. hasn’t he D. isn’t he
222. It was _______ that a lot of people wanted to watch TV.
A. quite a nice match B. a very nice match
C. a so nice match D. such a nice match
223. He ate most of the bread, so there’s ________ left.
A. little B. a little C. few D. a few
224. I like swimming and __________.
A. so he likes B. so he is C. so does he D. so he does
225. _______ of us Chinese people must do something useful to help with post-disaster reconstruction work (災(zāi)后重建工作)of Sichun Province.
A. Every B. None C. Each D. Everyone
226. –What a clean and tidy room! –It _______ every day.
A. is cleaning B. must clean C. has cleaned D. is cleaned
227. This kind of book ______ well and all copies _______ in the bookshop.
A. sell; sell B. sells; are sold out
C. is sold; are sold out D. is sold; sell out
228. –You must be here at six tomorrow morning. –Sorry, I _____ be here so early.
A. needn’t B. mustn’t C. may D. can’t
229. Your pen may be on ________ desk.
A. someone’s else B. someone else’s C. else someone’s D. other’s
230. Good luck ______ you _______ your Chinese.
A. to; with B. with; for C. for; to D. to; for
101-105AADAC 106-110BCDBB 111-115ACCDD 116-120CDBCC
121-125BBBCC 126-130BABAD 131-135DBABB 136-140BCBAD
141-145CDCAA 146-150BAACD 151-155DDCCA 156-160ACDDD
161-165AACAB 166-170CCBDB 171-175BDABB 176-180ADBCD
181-185BCBDB 186-190CDBDB 191-195CBCAC 196-200AAABC
201-205CDADB 206-210CBBCB 211-215BCCCC 216-220BDBDC
221-225BDACC 226-230 DBDBA
八年級單選訓(xùn)練題 篇2
試卷一
一.選擇題。(每個空格1分，共40分)
1.下列動物中運(yùn)動方式是游泳的是()。
A蝸牛 B海豚C鹿D鷹
2.下列動物中，既能在水中游泳又能在空中飛行的是()。
A野鴨B大雁C企鵝D老鷹
3.善于奔跑的獵豹、獅子等動物適宜于生活在()。
A開闊的大草原上B茂密的森林中C沼澤地中D崇山峻嶺中
4.骨在運(yùn)動中起()。
A杠桿作用B支點作用C動力作用D連接作用
5.人體下列關(guān)節(jié)中，活動范圍最大的是()。
A肩關(guān)節(jié)B膝關(guān)節(jié)C髖關(guān)節(jié)D踝關(guān)節(jié)
6.骨骼肌的肌腱和肌腹的構(gòu)成分別是()。
A結(jié)締組織肌細(xì)胞B肌細(xì)胞結(jié)締組織
C結(jié)締組織結(jié)締組織D肌細(xì)胞肌細(xì)胞
7.骨的哪一結(jié)構(gòu)中含有血管、神經(jīng)和成骨細(xì)胞()。
A骨膜B骨密質(zhì)C骨松質(zhì)D骨髓
8.下列能增加關(guān)節(jié)牢固性的是()。
A關(guān)節(jié)頭和關(guān)節(jié)窩B關(guān)節(jié)軟骨C關(guān)節(jié)腔內(nèi)的滑液D關(guān)節(jié)外的關(guān)節(jié)囊
9.關(guān)于體育鍛煉作用的敘述，下面哪一項最全面()。
A能使關(guān)節(jié)囊和韌帶增厚B能加強(qiáng)骨的營養(yǎng)
C能使肌纖維變粗，肌肉粗壯D以上三項都是
10.手提重物時，肱二頭肌與肱三頭肌的狀態(tài)分別是()。
A收縮、舒張B收縮、收縮C舒張、收縮D舒張、舒張
11.下列屬于先天性行為的是()。
A小狗吃奶B大象吹口琴C狗鉆火圈D猴子釣魚
12.下列現(xiàn)象屬于學(xué)習(xí)行為的是()。
A母雞孵卵B蜘蛛結(jié)網(wǎng)C蜜蜂采蜜D小狗做算術(shù)題
13.下列不屬于防御行為的是()
A烏賊釋放墨汁B金龜子的假死
C雄雞報曉D一只母雞照看一群小雞
14.青蛙在繁殖季節(jié)的抱對(雌雄蛙抱在一起)行為是()。
A攻擊行為B繁殖行為C防御行為D取食行為
試卷二
一、選擇題
1、下列進(jìn)行無性生殖的植物是()。
A.向日葵B.淑草C.小麥D.高粱
2、梨、桃等的栽培通常用()來繁育優(yōu)良品種。
A.嫁接B.種子C.扦插D.壓條
3、在家蠶個體的發(fā)育中，幼體與成體的形態(tài)結(jié)構(gòu)和生活習(xí)性差異很大，這種發(fā)育過程稱為()。
A.變態(tài)發(fā)育B.不完全變態(tài)C.完全變態(tài)D.個體發(fā)育
4、蟋蟀的發(fā)育過程要經(jīng)過卵、若蟲、成蟲三個時期，這個發(fā)育過程稱為()。
A.不完全變態(tài)B.完全變態(tài)C.變態(tài)發(fā)育D.不變態(tài)發(fā)育
5、蜜蜂完全變態(tài)發(fā)育的正確過程是()。
A.幼蟲→卵→蛹→成蟲B.卵→蛹→成蟲
C.卵→幼蟲→蛹→成蟲D.卵→蛹→幼蟲→成蟲
6、下列不屬于完全變態(tài)發(fā)育的昆蟲是()。
A.菜粉蝶B.螳螂C.家蠶D.蠅
7、下列是兩棲動物的是()
A.龜B.大鯢C.鱷魚D.中華鱘
8、下列對青蛙生殖發(fā)育特點描述正確的是()
A.雌雄同體，體內(nèi)受精，體內(nèi)發(fā)育B.雌雄同體，體外受精，體外發(fā)育
C.雌雄異體，體內(nèi)受精，水中發(fā)育D.雌雄異體，體外受精，水中發(fā)育
9、秋天林區(qū)和公園的樹干上，懸掛一些人工巢箱，是為了()
A.保護(hù)一些不會營巢的鳥類不會被凍死B.招引食蟲鳥類在巢箱中繁殖
C.保護(hù)鳥類免受敵害D.捕捉鳥類
10、下列說法正確的是()
A.并不是說有的鳥都有孵卵和育雛的行為B.鳥類產(chǎn)的卵就是一個卵細(xì)胞
C.母雞產(chǎn)的所有卵都可以孵化出小雞D.家鴿的幼鳥在孵出后就會行走、覓食
11、下列不屬于鳥類生殖和發(fā)育過程中的繁殖行為的是()
A.求偶B.占區(qū)、筑巢C.胎生、哺乳D.孵卵和育雛
12.運(yùn)動員出國參加比賽，由于時差的原因，白天沒勁、想睡，晚上興奮難以入睡，這是因為()。
A舟車勞頓B體內(nèi)的生物鐘還未挑撥過來
C飲食不習(xí)慣D出國前超符合訓(xùn)練
13.下列昆蟲中，有社群行為的是()。
A蜻蜓、蝴蝶B蝗蟲、蟋蟀C蜜蜂、白蟻D蒼蠅、蚊子
14.下列研究動物行為的方法中，屬于實驗法的是()。
A用攝像機(jī)拍攝獵豹的運(yùn)動，研究獵豹追擊獵物的`方法
B用望遠(yuǎn)鏡觀察鳥類繁殖期的活動
C動物園用閉路電視研究東北虎生育幼虎的過程
D用聲波干擾水中活動的海豚，觀察海豚對聲波反應(yīng)的敏感性
15.研究動物行為的方法主要是采取()。
A觀察法和實驗法B觀察法和調(diào)查法C調(diào)查法和實驗法D觀察法和推理法
16.動物在自然界中扮演什么角色()。
A生產(chǎn)者B消費者C分解者D破壞者
17.下列能夠形成生產(chǎn)者與消費者之間食物關(guān)系的是()。
A蓮與青蛙B棉花與蚜蟲C蝗蟲與麻雀D蚜蟲與瓢蟲
18.下列食物鏈正確的是()。
A草→蚱蜢→食蟲鳥→蛇→鷹B蚱蜢→草→食草耔的鳥→鷹→狐
C狐→鷹→食蟲鳥→蚱蜢→草D草←蚱蜢←食蟲鳥←蛇←鷹
19.生物與環(huán)境的關(guān)系是()。
A生物受環(huán)境的限制，環(huán)境不受生物的影響B(tài)生物與環(huán)境相互影響
C生物決定環(huán)境如何改變D環(huán)境對生物的生存總是有利的
20.我國特產(chǎn)的珍貴哺乳動物是()。
A鴨嘴獸B長頸鹿C牦牛D大熊貓
21.有一種非常古老而稀少的魚類，生活在長江水域，被我國列為一級保護(hù)動物，它是()。
A鯨魚B桃花魚C中華鱘D揚(yáng)子鱷
22.造成野生動植物瀕危和滅絕的主要原因是()。
A人類對野生動植物的過度狩獵或采伐，對棲息地環(huán)境的污染和改變
B物種退化
C食物鏈中弱肉強(qiáng)食
D人類對野生動植物資源的合理開發(fā)和利用
23.生物多樣性包括()。
A動物多樣性、植物多樣性、微生物多樣性
B生態(tài)系統(tǒng)多樣性、物種多樣性、遺傳多樣性
C森林多樣性、草原多樣性、濕地多樣性
D地球圈、大氣圈、生物圈
24.生物多樣性就地保護(hù)的主要場所是()。
A建立自然保護(hù)區(qū)B建立動植物園
C通過宣傳教育活動D建立基因庫
25.“鹿因茸死，獐因麝亡”，我國特有的藏羚羊因為其比金子還貴重的羊絨，已瀕臨滅絕，這是因為()。
A藏羚羊失去了棲息地B生存環(huán)境受到污染
C偷獵者的瘋狂捕殺D外來物種的入侵
26.某牧區(qū)為留種子，預(yù)防鳥類啄食，用網(wǎng)把留種地罩上，后來發(fā)現(xiàn)，草的葉子幾乎被蟲子吃光了，產(chǎn)生這種現(xiàn)象的原因是()。
A環(huán)境污染B植被破壞C食物鏈破壞D缺水干旱
27.為了保護(hù)朱鶚及其生存環(huán)境，在陜西洋縣建立了朱鶚自然保護(hù)區(qū)，為了防止數(shù)量極少的野馬絕滅，進(jìn)行集中圈養(yǎng)。它們分別屬于()。
A就地保護(hù)、易地保護(hù)B易地保護(hù)、易地保護(hù)
C易地保護(hù)、就地保護(hù)D就地保護(hù)、就地保護(hù)
28.把一只死小魚深埋在一棵大樹的根旁，過了好長一段時間以后，小魚不見了，其原因是()。
A被樹根吸收了B被水沖走了C被貓挖吃了D被腐生細(xì)菌分解了
29.下列生物中不具有細(xì)胞結(jié)構(gòu)的是()。
A細(xì)菌B水螅C煙草花葉病毒D蚯蚓
30.酸奶的營養(yǎng)價值比牛奶高，是因為酸奶在發(fā)酵過程中，()使牛奶中的營養(yǎng)成分轉(zhuǎn)變成更易于被人消化和吸收的營養(yǎng)物質(zhì)，并產(chǎn)生多種維生素。
A酵母菌B乳酸菌C醋酸菌D曲霉
31.抗生素是()。
A細(xì)菌、真菌B細(xì)菌產(chǎn)生的殺死細(xì)菌的物質(zhì)
C某些真菌或放線菌產(chǎn)生的殺死細(xì)菌的物質(zhì)
D某些真菌或放線菌產(chǎn)生的殺死某些致病細(xì)菌的物質(zhì)
32.HIV(艾滋病病毒)感染人體后，主要導(dǎo)致下列哪個系統(tǒng)損壞()。
A消化系統(tǒng)B免疫系統(tǒng)C循環(huán)系統(tǒng)D骨骼系統(tǒng)
33.蘑菇的營養(yǎng)方式是()。
A光合自養(yǎng)B腐生C異養(yǎng)D寄生
34.蘑菇屬于()。
A藻類植物B細(xì)菌C蕨類植物D真菌
35.在夏天，賓館的廚師常常把許多做好的菜肴用保鮮膜蓋好，放在冰箱中冷藏，這樣做的目的主要是()。
A抑制細(xì)菌繁殖B不讓營養(yǎng)流失
C防止水分蒸發(fā)D保持菜肴的形狀和顏色
36.傳染性非典型肺炎的英文名稱縮寫為()。
AAIDSBSARSCARDSDHFRS
47.細(xì)菌和真菌在生態(tài)系統(tǒng)中的重要作用是()。
A為生態(tài)系統(tǒng)提供物質(zhì)和能量B把動植物的遺體分解為無機(jī)物
C固定空氣中的氮氣D將無機(jī)物合成為有機(jī)物
二.填空題。(每空格1分，特別注明的除外)
1.絕大多數(shù)動物能夠迅速改變自身的空間位置，一方面______，遷移到適宜自身生活的______，另一方面有效地______。
2.長骨的三個主要結(jié)構(gòu)是_____、_____和_____。
3.關(guān)節(jié)是能夠活動的骨連結(jié)，關(guān)節(jié)的基本結(jié)構(gòu)包括___、___、___三部分。
4.人體每塊骨骼肌包括___和___兩部分。
5.在一定的自然區(qū)域內(nèi)，各種生物之間有復(fù)雜的捕食與被食的關(guān)系，這種營養(yǎng)聯(lián)系形成了____。(本空格4分)
6.典故“螳螂捕蟬，黃雀在后”，請依據(jù)這一生態(tài)情景，分別將黃雀、柳樹、螳螂和蟬用箭頭表示出它們之間的食物關(guān)系：________________。(本空格4分)
7.人體運(yùn)動是以___杠桿，___為支點，___為動力形成的。
8.連線題
(1)乳酸菌醋
醋酸菌酸奶、泡菜
酵母菌面包、饅頭
(2)藥用動物蝴蝶魚、鳳尾蝶
珍稀動物蝎、蜈蚣
觀賞動物豬、牛
食用動物揚(yáng)子鱷、白鰭豚、麋鹿、大熊貓
9.請用動物行為的知識解釋下列現(xiàn)象：
(1)有一種天蛾，當(dāng)被敵害或受驚嚇時，便會猛然張開雙翅，從而露出翅上的眼斑，以恐嚇對方。這是動物的___行為。
(2)蜜蜂白天采蜜晚上回巢休息。這屬于動物的___行為。
(3)蜻蜓點水。這屬于動物的___行為。
(4)兩只雄性盤羊為爭奪一只雌性盤羊而發(fā)生爭斗。這屬于動物的___行為。
10.(1)如右圖所示，A是___，其作用是能產(chǎn)生___，
使骨___。骨中由于A的存在，說明此人處于___時期。
(2)圖中D是____;D內(nèi)有E，說明此人應(yīng)該是___，
因此，E具有____功能。
(3)骨的表面是F，是由于_____組織構(gòu)成的，
F內(nèi)有細(xì)胞，對骨的生長和_____具有重要作用。
11.右圖是關(guān)節(jié)結(jié)構(gòu)模式圖，請據(jù)圖回答：
(1)關(guān)節(jié)能靈活運(yùn)動是因為〔〕___內(nèi)有少量滑液
和〔〕___表面光滑，從而減少骨與骨間的摩擦。
(2)關(guān)節(jié)能牢固是因為〔〕___把相鄰兩骨聯(lián)系起來，
其里面和外面還有很多〔〕___起加固作用。
(3)脫臼是指〔〕___從〔〕___里滑脫出來。
12.一個同學(xué)用兩根動物肋骨做實驗，實驗記錄如下表：
稱重(克)
實驗現(xiàn)象
實驗前
實驗后
甲骨
6
4
有異味放出，處理后，骨輕輕一敲就脆
乙骨
6
2
有氣泡放出，處理后，骨可以彎曲
(1).請問：
甲骨放在_____，去掉了骨中的_____;
乙骨放在_____，去掉了骨中的_____。
(2).處理過程中：
甲骨有異味放出是因為_______________。(本空格2分)
乙骨有氣泡放出是因為_______________。(本空格2分)
(3)處理后：
甲骨變脆易斷，重4克，證明了骨中含約占總重量____的是____物。
乙骨變?nèi)犴g，重2克，證明了骨中含約占總重量____的是____物。
以上是小編為大家整理的“八年級生物期末試卷檢測”全部內(nèi)容，更多相關(guān)內(nèi)容請點擊：
【摘要】“初二期末質(zhì)量檢測八年級生物試題”多做試題，在加深對知識點記憶的同時有可以幫助提高學(xué)習(xí)成績，下面是小編為大家整理的初二生物試題，供大家參考，具體內(nèi)容如下：
1.一朵花中，與繁殖后代直接相關(guān)的結(jié)構(gòu)是
A.花瓣B.蜜腺C.雌蕊和雄蕊D.花絲和花藥
2.西瓜是解暑的佳品，西瓜果實中含有許多粒種子，這是因為花的結(jié)構(gòu)中含有多個
A.子房B.雄蕊C.花藥D.胚珠
3.被子植物的卵細(xì)胞存在于下列哪一結(jié)構(gòu)中A.子房壁B.胚珠C.花粉管D.柱頭
4.綠色開花植物要形成果實和種子，必須經(jīng)過的兩個必要生理過程是
A.開花和受精B.自花傳粉和異花傳粉
C.傳粉和受精D.開花和傳粉
5.下列所示為無性生殖的幾種方式，其中屬于壓條的是
6.“碧玉妝成一樹高，萬條垂下綠絲絳，不知細(xì)葉誰裁出，二月春風(fēng)似剪刀。”萬千枝條及其綠葉，都是由植物體哪一結(jié)構(gòu)發(fā)育而來A.根 B.芽C.葉D.莖
7.“有心栽花花不活，無意插柳柳成蔭”，插柳成蔭的原因是
A.柳樹細(xì)胞分裂快B.柳樹細(xì)胞生長快
C.柳樹極易營養(yǎng)繁殖D.柳樹極易有性生殖
8.玉米是我省重要的糧食作物。下面關(guān)于玉米的正確敘述是
A.玉米是單子葉植物.一粒玉米是由一個胚珠發(fā)育來的
B.在新鮮的玉米種子剖面上滴加碘液，變藍(lán)的部分是胚
C.種子萌發(fā)時，胚根首先突破種皮發(fā)育成根并且子葉出土
D.玉米為雌雄同株，借助風(fēng)力完成異花傳粉
9.關(guān)于大豆生長發(fā)育過程的敘述，正確的是
A.在適宜的外界條件下，種下去的大豆種子就會萌發(fā)
B.由于子房內(nèi)生有多個胚珠，所以在大豆果實中往往會含有多粒種子
C.一粒大豆種子就是一個果實
D.大豆的根系是由主根、側(cè)根、不定根組成的直根系
10.人們常用“麻屋子、紅帳子，里面住個白胖子”的謎語猜花生，在植物的個體發(fā)育中，“紅帳子”是由什么發(fā)育而來?
A.珠被B.受精卵C.受精極核D.子房壁
11.小強(qiáng)家的果園中有些桃樹品種老化，產(chǎn)量比較低，可以通過什么方法較快的獲得新品種
A.選擇新品種枝條作接穗進(jìn)行嫁接B.利用原來的枝條進(jìn)行壓條
C.利用種子進(jìn)行繁殖 D.利用原來桃樹上的花粉進(jìn)行組織培養(yǎng)
12.種子萌發(fā)時需要空氣,其根本原因是
A.種子在不停地吸收水分 B.種子在不停地提供養(yǎng)料
C.種子在不停地進(jìn)行呼吸 D.種子在不停地運(yùn)送養(yǎng)料
13.關(guān)于傳粉的說法，錯誤的是
A.單性花要進(jìn)行傳粉只能進(jìn)行異花傳粉
B.兩性花都進(jìn)行自花傳粉
C.不同種植物間進(jìn)行的異花傳粉，花粉不能萌發(fā)或萌發(fā)不良
D.黃瓜進(jìn)行異花傳粉
14.下列敘述與桃花的特征相符合的是
�、傧x媒花②單性花③風(fēng)媒花④兩性花⑤自花傳粉⑥花序⑦異花傳粉
A.①④⑤B.②⑤⑦C.①④⑦D.②⑤⑥
15.觀察菜豆種子結(jié)構(gòu)時，發(fā)現(xiàn)子葉是連接在什么上的?
A.胚芽B.胚軸 C.胚根D.胚乳
16.根尖和芽都能迅速生長，主要是因為其內(nèi)部具有發(fā)達(dá)的
A.輸導(dǎo)組織 B.分生組織C.機(jī)械組織 D.保護(hù)組織
17.食用的花生油和小麥面粉分別來自于花生和小麥的
A.子葉子葉B.胚乳胚乳C.胚乳子葉D.子葉胚乳
18.田間一次施肥過多會使作物出現(xiàn)“燒苗”現(xiàn)象，可采用的補(bǔ)救方法是
A.移栽植物 B.疏松土壤C.減少光照 D.大量澆水
19.生命世代相續(xù)，生生不息，這是通過生殖來實現(xiàn)的。下列屬于無性繁殖方式的是
A.家蠶的繁殖B.蘋果的嫁接繁殖C.蛙的生殖D.鳥類的繁殖
20.家蠶的發(fā)育屬于完全變態(tài)，其發(fā)育過程是
A.卵→若蟲→成蟲
B.卵→幼蟲→蛹→成蟲
C.卵→蛹→成蟲
D.卵→蛹→幼蟲→成蟲
八年級單選訓(xùn)練題 篇3
1、黨的十八屆一中全會在北京人民大會堂舉行，這說明北京是全國的()
A、經(jīng)濟(jì)中心B、政治中心
C、工業(yè)中心D、文化中心
2、北京的傳統(tǒng)民居是()
A、土坯房B、窯洞
C、四合院D、吊腳樓
3、我國面積最大的島嶼是()
A、臺灣島B、海南島
C、崇明島D、調(diào)魚島
11.下列四種別稱中與臺灣不相符的是
A.東方甜島B.水果之鄉(xiāng)
C.東南鹽庫D.甜菜故土
12.臺灣島地處板塊交界地帶，是多地震地區(qū)之一
A.太平洋和亞歐B.太平洋和印度洋
C.印度洋和非洲D(zhuǎn).美洲和非洲
13.下列風(fēng)景名勝屬于臺灣的是
A.阿里山的日月潭B.西湖的蘇堤春曉
4、臺灣省約80%的人口祖籍為()
A、浙B、粵C、閩D、桂
5、日本非法“購買”釣 魚島，遭到了中國人民的強(qiáng)烈譴責(zé)。調(diào)魚島自古就是
中國領(lǐng)土的一部分。請問調(diào)魚島屬于中國的那一個省區(qū)()
A、福建B、臺灣C、浙江D、海南
6、新疆維吾爾自治區(qū)在我國各省區(qū)中()
A、面積最大B、緯度最高
C、跨經(jīng)度最多D、平均海拔最低
7、生活在塔里木河流域的人們，天越旱，越盼望出太陽的原因是()
A、這里的人們生活要在有太陽的環(huán)境里
B、出太陽，天氣炎熱，有利于葡萄干的.晾曬
C、出太陽，天氣越熱，山上的冰雪融水就越多，河水越豐富
D、出太陽，天氣晴朗，有利于采摘長絨棉
8、關(guān)于我國基本國情的敘述，正確的是()
A、國土遼闊，區(qū)域差異大
B、自然環(huán)境多樣，資源分布均勻
C、人口眾多，人均資源充足
D、氣候種類單一，自然災(zāi)害較少
9、2010年，上海成功舉辦了()
A、奧林匹克運(yùn)動會B、世界博覽會
C、亞運(yùn)會D、亞非會議
10、下列行為不符合節(jié)能減排要求的是()
A、用淘米、洗菜的水澆花B、垃圾分類回收利用
C、自備籃子買菜D、電腦一直處于待機(jī)狀態(tài)
八年級單選訓(xùn)練題 篇4
1.下列詞語中加點字注音完全正確的一項是()(2分)
A.藩籬(pān)綺麗(qí)褶皺(zhě)銷聲匿跡(nì)
B.簌簌(sù)瘡疤(cuāng)傖俗(cāng)惟妙惟肖(xiāo)
C.歸咎(jiù)蟾蜍(chú)丘壑(hè)五彩斑斕(lán)
D.瓦礫(lè)荒謬(miù)軒榭(xiè)重巒疊嶂(zhāng)
2、下列詞語中有錯別字的一項是()(2分)
A.駐足制裁因地制宜月明風(fēng)清B.追溯帷幕大庭廣眾草長鶯飛
C.肅穆瑣屑天衣無縫物競天擇D.推崇顛沛日薄西山世外桃園
3.下列句子中沒有語病的一項是()(2分)
A.老師的臉上浮現(xiàn)出了欣慰。
B.我們沒有理由不珍惜今天的'幸福生活。
C.中心明確是衡量文章好壞的重要標(biāo)準(zhǔn)。
D.這樸素的話語多么深刻的蘊(yùn)含著人生哲理啊!
4.下列句式變換不符合要求的一項是()(2分)
A.將“淘寶商城出臺的新規(guī)使得不少小店主被逼上了絕路”變換成“把”字句為：淘寶商城出臺的新規(guī)把不少小店主逼上了絕路。
B.將“中國郵政太空郵局在北京航天城開通”和“楊利偉出任中國郵政太空郵局局長”合為一句為：楊利偉出任北京航天城開通的中國郵政太空郵局局長。
C.將“蔣門神被武松痛打一頓后一定不會善罷甘休”變?yōu)榭隙ň錇椋菏Y門神被武松痛打一頓后一定會找武松報仇雪恨。
D.將“完成這項任務(wù)需要三年的時間”改成表示驚訝語氣的句子為：完成這項任務(wù)需要三年時間嗎?
5、下列句子順序排列正確的一項是()(2分)
�、佼�(dāng)然，門是造了讓人出進(jìn)的。
②我們都知道，門和窗有不同的作用。
�、鄞白雍烷T的根本分別，決不僅僅是有沒有人進(jìn)來出去。
�、艽白佑袝r也可作為進(jìn)出口用，譬如小偷或小說里幽會的情人就喜歡爬窗子。
�、萜┤鐝馁p春一事來看：有了門，我們可以出去;有了窗，我們可以不必出去。
A.②①④③⑤B.②⑤③①④C.③①⑤②④D.⑤③①④②
八年級單選訓(xùn)練題 篇5
一、單項選擇題(每小題1分，共25分)
1.養(yǎng)金魚的魚缸如果不經(jīng)常換水，魚就會出現(xiàn)“浮頭”現(xiàn)象，甚至死亡，其主要原因是()
A.水中缺少氧B.水質(zhì)容易變壞
C.水中微生物過多D.水中缺少食物
2.下列動物屬軟體動物的一組是()
A.海龜、河蚌B.扇貝、章魚C.海蟄、河蚌D.水蛭、蝸牛
3.綠頭鴨吃進(jìn)的食物，經(jīng)消化吸收后形成的殘渣，0.5小時就可以排出體外，這一事實證明鳥類不貯存糞便，意義是()
A.可以攝入更多的食物B.減輕飛行時的體重
C.便于熱量的散發(fā)D.加快體內(nèi)物質(zhì)的更新速度
4.觀察水中游泳的鯽魚時，會發(fā)現(xiàn)鯽魚不停地用口吞水，由鰓孔排水，這是鯽魚在()
A.濾取食物B.平衡身體C.調(diào)節(jié)比重D.呼吸
5.哺乳動物在生殖發(fā)育方面的主要特征為()
A.體腔內(nèi)有膈B.卵生、哺乳C.體溫恒定D.胎生、哺乳
6.下列動物中，具有胎生哺乳特征的是()()
A.天鵝B.鯊魚C.海龜D.金絲猴
7.與家兔吃植物的習(xí)性相適應(yīng)的特點是( )
A、體表被毛，B、體溫恒定、犬齒鋒利
C、牙齒分化為門齒、臼齒D、大腦發(fā)達(dá)、用肺呼吸
8.千姿百態(tài)的動物王國里，有些動物的身體內(nèi)有由脊椎骨組成的脊柱，有些動物則沒有。在下列生物中，全屬于無脊椎動物的一組是()
A.家鴿、蜥蜴、青蛙B.蝗蟲、蚯蚓、蜈蚣
C.鯽魚、家兔、螳螂D.螞蟻、蜜蜂、鯊魚
9.兔能夠迅速對外界環(huán)境變化做出反應(yīng)，主要說明( )
A.具有發(fā)達(dá)的大腦和神經(jīng)及四肢B.具有較大的耳朵
C.視覺敏銳.D.嗅覺發(fā)達(dá)
10.下列關(guān)于動物“語言”的敘述中，正確的是( )
A.動物的“語言”就是動物之間有聯(lián)系作用的聲音B.動物之間交流思想感情的信息
C.動物之間起傳遞信息作用的活動、聲音、氣味等信號D.動物的'各種行為
11.下列各組生物中，完全用肺呼吸的是( )
A.大鯢和蜥蜴B.梭子蟹和蟾蜍C.壁虎和揚(yáng)子鱷D.眼鏡蛇和青蛙
12.關(guān)于昆蟲的外骨骼的敘述中，不正確的是()
A.可以協(xié)助運(yùn)動，是一種運(yùn)動器官B.可以支持內(nèi)部柔軟器官
C.可以防止體內(nèi)水分的蒸發(fā)D.可以保護(hù)內(nèi)部柔軟器官
13.青蛙、蟾蜍等兩棲動物必須生活在水邊，主要是因為()
A.成體既可以生活在水中，也可以生活在陸地上
B.成體用肺和皮膚呼吸
C.水邊地形復(fù)雜，有利于隱蔽自己不被敵害發(fā)現(xiàn)
D.幼體必須生活在水中，用鰓呼吸;成體水陸兩棲，用肺和皮膚呼吸
14.水螅常常可以捕到與自己身體差不多大小的獵物，這主要依靠()
A.刺細(xì)胞B.觸手的纏結(jié)C.發(fā)達(dá)的肌肉D.口的吞噬
15.下列不屬于線形動物主要特征的是()
A.身體細(xì)長B.身體呈圓柱形C.體表有角質(zhì)層D.有口無肛門
16.下列動物物中，是線形動物動物的是()
A.水螅B.蚯蚓C.渦蟲D.蛔蟲
17.我國的“四大家魚”指的是()
A.青魚、草魚、鰱魚、鳙魚B.草魚、鯽魚、鯉魚、大黃魚
C.青魚、鯉魚、草魚、鳙魚D.青魚、草魚、鰱魚、鯰魚
18.下列動物中學(xué)習(xí)能力最強(qiáng)的是()
A.老鼠B.大山雀C.黑猩猩D.老虎
19.人類要保護(hù)青蛙的原因是()
A.青蛙是一些人的食物B.青蛙以農(nóng)作物的害蟲為食
C.青蛙是一種可愛的動物D.青蛙屬于稀有動物
20.恒溫動物比變溫動物更具有生存優(yōu)勢的原因在于()
A.恒溫動物耗氧少B.恒溫動物需要的食物少
C.恒溫動物更適應(yīng)環(huán)境變化D.恒溫動物需要的能量少
21.下列關(guān)于軟體動物的說法，錯誤的是()
A.都具有貝殼B.是動物界的第二大類群
C.柔軟的體表有外套膜D.運(yùn)動器官是足
22.下列對于蚯蚓外部形態(tài)的描述，錯誤的是()
A.身體由許多體節(jié)構(gòu)成B.體表干燥、粗糙
C.身體腹面有剛毛D.環(huán)帶靠近身體的前端
23.人體內(nèi)骨骼肌所接受的刺激是來自()
A.體內(nèi)刺激B.骨骼肌內(nèi)部C.體外刺激D.神經(jīng)傳來的刺激
24.下列行為中，屬于先天性行為的是()
A.小狗做算術(shù)B.大山雀偷飲牛奶C.蜜蜂采蜜D.蚯蚓走迷宮
25.下列成語中與動物行為無關(guān)的是()。
A.狡兔三窟B.老馬識途C.畫蛇添足D.虎視眈眈
八年級單選訓(xùn)練題 篇6
1.綠色開花植物的雙受精是指()
A.兩個精子與兩個卵細(xì)胞相融合的現(xiàn)象B.兩個精子與兩個極核相融合的現(xiàn)象
C.兩個精子分別與卵細(xì)胞和極核相融合的現(xiàn)象D.一個精子與兩個極核相融合的現(xiàn)象
2.無性生殖和有性生殖的本質(zhì)區(qū)別是()
A.有無生殖細(xì)胞的形成B.是否由一個親本完成
C.有無兩性生殖細(xì)胞的形成和結(jié)合D.有無細(xì)胞分裂和分化
3.下列生物新個體的產(chǎn)生，哪些是屬于無性生殖()
�、倏寺⊙颉岸嗬颉�;②蛙的受精卵發(fā)育成蝌蚪;③試管嬰兒④把仙人球嫁接到量天尺上;⑤雞蛋孵化出小雞;⑥“落地生根”的葉片邊緣長出許多小植株;
A.①②③B.③④⑥C.①④⑥D(zhuǎn).②④⑤
4.下列植物具有雙受精現(xiàn)象的是()
A.松樹B.銀杏C.桃樹D.腎蕨
5.家鴿的`胚胎發(fā)育部位是()
A.卵黃 B.胚盤 C.卵黃膜 D.卵白
6.一顆豆莢，里面有3粒豆子，請問它分別由幾個子房，幾個胚珠發(fā)育而來?()
A.3，3B.1，1C.3，1D.1，3
7.水蜜桃味甜，毛桃味酸，現(xiàn)將水蜜桃(接穗)接到毛桃(砧木)上，成活后，結(jié)出的成熟果實，其味是()
A.酸味的B.酸甜適中 C.一半酸味，一半甜味D.甜味的
8.無性繁殖的優(yōu)點是( )
A.獲得的新性狀多B.速度快，且保持親本的原有性狀
C.操作簡便易行D.不受條件限制
9.昆蟲完全變態(tài)發(fā)育與不完全變態(tài)發(fā)育的區(qū)別是()
A.有無卵期B.有無幼蟲期C.有無蛹期D.有無成蟲期
10.蝗蟲的發(fā)育過程中，若蟲與成蟲的區(qū)別主要表現(xiàn)()
A.若蟲身體較小，生殖器官沒有成熟
B.若蟲身體較小，無翅，無外骨骼
C.若蟲身體較小，生殖器官發(fā)育成熟
D.若蟲身體較小，有翅，有外骨骼
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