21.Speak to him slowly _____ he may understand you better.

　　A. since B. so that C. for D. because

　　【答案】B 慢慢對(duì)她說，以便于他能夠更好的理解。

　　22.I wrote it down ___ I should forget it.

　　A. in case B. in case of C. in order that D. for fear of

　　【答案】A.in case：(連詞)免得，以防萬一。本句的意思是：“我寫了下來，免得忘了”。又如：Keep the window closed in case it rains.把窗子關(guān)好，以防下雨。in case of (介詞短語)：假使、如果發(fā)生。In case of fire， ring the alarm bell.如遇火警，即按鈴。In order that (連詞，引導(dǎo)目的狀語從句)為了…In order that he should not be late, his mother woke him at 6. 為了不使他遲到，母親在6點(diǎn)種叫醒他。for fear of：(介詞)生怕、以免。She left an hour early for fear of missing her train. 她提早一小時(shí)離開以免誤了火車。

　　23.Helen listened carefully _____ she might discover exactly what she needed.

　　A. in that B. in order that C. in case D. even though

　　【答案】B 海倫認(rèn)真地聽，為了能夠精確地發(fā)現(xiàn)他所需要的東西。

　　24.Read it aloud _____ the class can hear you.

　　A. so that B. if C. when D. although

　　【答案】A 大聲讀以便于整個(gè)課堂都能聽到你的聲音。

　　25.Take an umbrella with you ____ it should rain.

　　A. in no case B. in the case C. in case of D. in case

　　【答案】D 拿著傘以防下雨。

　　26.Though he is very intelligent, he is ___ rather modest.

　　A. hence B. otherwise C. nevertheless D. therefore

　　【答案】C nevertheless：仍然，不過;hence：因此，從此;otherwise：另外，否則;therefore：因此。句意：盡管他很聰明，但仍然很謙虛。判斷C項(xiàng)正確。

　　27.Do what you think is right ___ they say.

　　A. however B. whatever C. whichever D. if only

　　【答案】B whatever 引導(dǎo)一個(gè)狀語從句，意為“無論他們說什么”，whatever 在從句中作say的賓語，whatever they say=no matter what they say.全句的意思是“做你認(rèn)為正確的事，無論他們說什么(都沒有關(guān)系)。

　　28.I'll talk to him， I don't think it will do any good.

　　A. although B. which C. if D. unless

　　【答案】A 認(rèn)為談話沒有作用而依然打算談話，前后具有轉(zhuǎn)折關(guān)系，因此選A“雖然 ”

　　29.We can hardly avoid making any mistakes in our work______ hard we try.

　　A. whatever B how C no matter D however

　　【答案】D 根據(jù)句意，應(yīng)該選擇“無論怎樣”，故選擇D.however = no matter how. 句意是“早工作中無論我們?nèi)绾闻�力，總避免不了出錯(cuò)�！�

　　30.___, you must show your ticket to go into the cinema.

　　A. No matter whoever you are B. Whomever you are

　　C. Whoever you are D. No matter who are you

　　【答案】C whoever you are =no matter who you are “不管你是誰”，作狀語。 句意是“不管你是誰，都必須出示你的票才能電影院�！�

　　31.___ we need air and water, so we need criticism and self-criticism.

　　A. Even though B. So long C. Just as D. Now that

　　【答案】C本題考查的是方式狀語從句。Just as…正如……一樣;Even though即使;So long as只要;Now that既然。我們需要批評(píng)和自我批評(píng)，如同需要空氣和水一樣。

　　32.He always talks _______ he had been to outer space.

　　A. like B. as if /though C. because of D. as

　　【答案】B 他說這話好像他去過外太空似的。

　　33.The thief walked away with the money _______ no one had noticed him.

　　A. unless B. as if C. even though D. as long as

　　【答案】B 小偷拿著錢跑了好像沒人注意到它似的。

　　34.The Spring Festival is important in China, just ______ Christmas is in the West.

　　A. as B. because C. since D. for

　　【答案】A 春節(jié)在中國(guó)很重要，正如西方的圣誕節(jié)那樣。

　　35.More people will eat out in restaurants _____ they do today.

　　A. than B. when C. while D. as

　　【答案】D 正如現(xiàn)今人們做的那樣，大多數(shù)人在餐館里吃飯。

　　36.After the new technique was introduced, the factory produced _____ cars in 2002 as the year before.

　　A. as many twice B. as twice many C. twice many as D. twice as many

　　【答案】D.考察倍數(shù)的表達(dá)方式。“...times +as many (或much) +名詞+ as …” 表示“…是…的多少倍”。

　　37.This new coat cost me ____ the last one I bought two years ago.

　　A. three times B. three times as much as

　　C. three times as much D. three times much as

　　【答案】B和某物一樣多，as much as，如說是多少的幾倍，則是X times as much as.因此選B.

　　38.It is generally believed that teaching is_____ it is a science.

　　A an art much as B. much an art as C. as an art much as D. as much an art as

　　【答案】D 人們相信，教學(xué)和藝術(shù)一樣是一種科學(xué)。

　　39.The history of nursing __ the history of man.

　　A. as old as B. is old than C. that is as old as D. is as old as

　　【答案】D 護(hù)理的歷史和人類歷史一樣悠久。

　　40.My new glasses cost me ____ the last pair that I bought.

　　A. three times B. three times as much as C. three times as much D. three times much as

　　【答案】答案B 本題考察倍數(shù)表達(dá)法。它的結(jié)構(gòu)是“A is 倍數(shù) + the size of B, A is 倍數(shù) as + 原級(jí) as B, A is 倍數(shù)+ adj.比較級(jí) + than B”故我們選擇第2個(gè)結(jié)構(gòu)。而C項(xiàng) three times as much as 表示三倍的價(jià)值。A，C，D結(jié)構(gòu)不對(duì)，故正確答案選B. 句意是“我的新眼鏡花費(fèi)了上一幅三倍的價(jià)錢”