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練習(xí)題中找英語(yǔ)四級(jí)選詞填空答題技巧
很多童鞋說四級(jí)選詞填空無(wú)從下手，看到了也不知道如何作答，下面就跟小編一起看看如何利用練習(xí)題找出四級(jí)答題技巧，下面就跟小編一起看看吧，希望可以幫助大家高效備考四級(jí)閱讀題型。
EI Nino is the name given to the mysterious and often unpredictable change in the climate of the world. This strange 47 happens every five to eight years. It starts in the pacific Ocean and is thought to be caused by a failure in the trade winds(信風(fēng)), which affects the ocean currents driven by these winds. As the trade winds lessen in 48 , the ocean temperatures rise, causing the Peru current flowing in from the east to warm up by as much as 5℃(degrees centigrade).
The warning of the ocean has far-reaching effects. The hot, humid (潮濕的)air over the ocean causes severe 49 thunderstorms. The rainfall is increased across South America, 50 floods to Peru. In the West Pacific, there are droughts affecting Australia and Indonesia. So while some parts of the world prepare for heavy rains and floods, other parts face drought, poor crops and 51 .
EI Nino usually lasts for about 18 months. The 1982-83 EI Nino brought the most 52 weather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds 53 of damage. The 1990 EI Nino lasted until June 1995. Scientists 54 this to be the longest EI Nino for 2,000 years.
Nowadays, weather experts are able to forecast when an EI Nino will 55 , but they are still not 56 sure what leads to it or what affects how strong it will be.
其選項(xiàng)如下：
A) estimate;
B) strength;
C) deliberately;
D) notify;
E) tropical;
F) phenomenon;
G) stable;
H) attraction;
I) completely;
J) destructive;
K) starvation;
L) bringing;
M) exhaustion;
N) worth;
O) strike
解題方法
辨析詞性
把十五個(gè)選項(xiàng)按詞性分別歸入名詞、動(dòng)詞、形容詞、副詞等類別。
縱觀樣題和真題，我們知道15個(gè)詞匯都屬于最重要的四類實(shí)詞。我們要學(xué)會(huì)每種詞匯的基本搭配和基本用法。
辨性要注意下面幾點(diǎn)。
1.遇到動(dòng)詞進(jìn)行二次分類：確定時(shí)態(tài)，確定是第三人稱單數(shù)還是非第三人稱單數(shù);但應(yīng)注意動(dòng)詞+ed型的有兩種可能性，動(dòng)詞或形容詞;遇到名詞要確定單數(shù)還是復(fù)數(shù)。
2.不認(rèn)識(shí)的單詞，看后綴。構(gòu)詞法中，前綴表明意思，后綴表明詞性。所以看一個(gè)詞的后綴，往往能大致分出詞性。
3.詞性一時(shí)無(wú)法確定的，暫時(shí)擱置，不必糾纏，影響全局。
4.作出相應(yīng)的標(biāo)記�？芍苯佑米约鹤钋宄姆�(hào)清楚標(biāo)在每個(gè)詞前后。不清楚的都標(biāo)問號(hào)。
以真題為例辨詞性
A) estimate; B) strength;
C) deliberately; D) notify;
E) tropical; F) phenomenon;
G) stable; H) attraction;
I) completely; J) destructive;
K) starvation; L) bringing;
M) exhaustion; N) worth;
O) Strike
名詞：B,F,H,K,M
(B的后綴th, H、K、M的tion都是名詞后綴)
謂語(yǔ)動(dòng)詞：A,D,O
(A的-ate極可能是動(dòng)詞，D的-fy為動(dòng)詞后綴)
非謂語(yǔ)動(dòng)詞：L(-ing結(jié)尾)
形容詞：E, G, J
(E的-cal, G的able, J的tive是形容詞后綴)
副詞：C和I(ly加在形容詞后為副詞后綴)
注意：即使從沒見過，也想辦法看能否判斷其詞性，詞的性質(zhì)有時(shí)比詞義還重要。詞的性質(zhì)并不總是固定的，有些不認(rèn)識(shí)的或無(wú)法確定的，如N) worth (adj./n.)，可先擱置，不要過度糾纏。
大家可以在自己的備考過程中利用這個(gè)答題技巧找出答案，高效備考四級(jí)。
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