21. China has got a good ________ for fighting against the flu with its careful and smooth organization.

　　A. reputation B. influence

　　C. impression D. knowledge

　　[解析]句意：在抗擊流感方面，中國以認(rèn)真和暢通的組織工作而獲得良好的聲譽(yù)。reputation 聲譽(yù);influence 影響;impression 印象;knowledge 知識(shí)。根據(jù)句意，A項(xiàng)正確。

　　[答案]A

　　22.In our class, when the bell rang and the teacher closed his book, it was a ________ for everyone to stand up.

　　A. signal B. chance

　　C. mark D. measure

　　[解析]句意：在我們的課堂上，鈴聲響起，老師合上書就是我們要起立的信號(hào)。signal 信號(hào);導(dǎo)火線，符合句意。chance 機(jī)會(huì)，運(yùn)氣;mark 分?jǐn)?shù);標(biāo)志;measure 措施，辦法;尺寸。

　　[答案]A

　　23. The system has been designed to give students quick and easy ________ to the digital resources of the library.

　　A. access B. passage

　　C. way D. approach

　　[解析]句意：設(shè)計(jì)這個(gè)系統(tǒng)的目的是讓學(xué)生迅速、方便地使用圖書館的數(shù)字資源。access to 是固定短語，意為“有權(quán)使用;有機(jī)會(huì)接近”。passage 通道，通路，與 through 連用;way 表示去某地的路;approach 通道，辦法，途徑，與 to 連用。

　　[答案]A

　　24.Dogs have a very good ________ of smell and are often used to search for survivors in an earthquake.

　　A. sense B. view

　　C. means D. idea

　　[解析]句意：狗有很好的嗅覺，常常用于搜尋地震中的幸存者。sense“感官，感覺”，如：a sense of smell/hearing/taste/touch“嗅/聽/味/觸覺”。view 觀點(diǎn)，看法;means，方法;idea 主意，想法。

　　[答案]A

　　25.What's the ________ of having a public open space where you can't eat, drink or even simply hang out for a while?

　　A. sense B. matter

　　C. case D. opinion

　　[解析]句意：擁有這樣一個(gè)公共場所，你不可以吃喝，甚至不可以走動(dòng)，有什么意義呢? sense 意義;matter 問題;case 情況，狀況;opinion 觀點(diǎn)。根據(jù)句意選A項(xiàng)。

　　[答案]A

　　26. I bought a dress for only 10 dollars in a sale; it was a real ________.

　　A. exchange B. bargain

　　C. trade D. business

　　[解析]句意：我只花了10美元就買了一條裙子，真劃算。exchange 互換;bargain 便宜貨，廉價(jià)貨;trade 貿(mào)易;business 生意。根據(jù)題意可知B項(xiàng)正確。

　　[答案]B

　　27.The young man made a ________ to his parents that he would try to earn his own living after graduation.

　　A. prediction B. promise

　　C. plan D. contribution

　　[解析]句意：這個(gè)年輕人向他的父母作出承諾畢業(yè)后將會(huì)自謀生計(jì)。prediction 預(yù)測;promise 承諾;plan 計(jì)劃;contribution 貢獻(xiàn)，四個(gè)選項(xiàng)都可以與 make 搭配，make a promise“許愿，承諾”，根據(jù)句意可知B項(xiàng)正確。

　　[答案]B

　　28. The top leaders of the two countries are holding talks in a friendly ________.

　　A. atmosphere B. state

　　C. situation D. phenomenon

　　[解析]句意：兩個(gè)國家的高層領(lǐng)導(dǎo)人在友好的氣氛中舉行了會(huì)談。atmosphere 氛圍;state 狀態(tài);situation 情形;phenomenon 現(xiàn)象。

　　[答案]A

　　29.The ________ shoes were covered with mud, so I asked them to take them off before they got into______ car.

　　A. girl's; Tom's B. girl's; Toms'

　　C. girls'; Tom's D. girls'; Toms'

　　[解析]句意：那些女孩的鞋子沾滿了泥巴，因此在上湯姆的車之前我讓她們把鞋子脫掉。由后文的 them 可知，此處的 girl 應(yīng)為復(fù)數(shù)形式，因此其所有格形式應(yīng)該是 girls'，而名詞 Tom 的所有格是直接在其后加's即可。

　　[答案]C

　　30.—Can you shoot that bird at the top of the tree?

　　—No, it's out of ________.

　　A. distance B. range

　　C. control D. reach

　　[解析]本題考查名詞的固定搭配。out of range 在射程外;out of control 失去控制;out of reach 夠不著;distance 不與 out of 搭配。由語境可知，此處表示“鳥在射程之外”，故B項(xiàng)正確。

　　[答案]B

　　31. To the great ________ of the citizens, no one else was infected with H1N1 except the 12 confirmed cases.

　　A. relaxation B. disappointment

　　C. relief D. surprise

　　[解析]to the great disappointment of sb.令某人大為失望的是;to the great relief of sb.令某人大為寬慰的是;to the great surprise of sb.令某人大為吃驚的是;無 to the great relaxation 的搭配。由句意可知，此處表示“令市民大為寬慰的是”，故C項(xiàng)正確。

　　[答案]C

　　32. To their disappointment, Dr Wang gave a speech about the economy without even a passing ________ to the problem of unemployment.

　　A.connection B.appointment

　　C.reference D.exploration

　　[解析]reference 提及，參考。句意：使他們失望的是，王博士做了關(guān)于經(jīng)濟(jì)的演講卻對失業(yè)問題只字未提。connection 聯(lián)系;appointment 約會(huì);exploration 探索。

　　[答案]C

　　33.We should bear in mind that social development and balance of nature should go in ________.

　　A.company B.sympathy

　　C.association D.harmony

　　[解析]in harmony 和諧地。句意：我們應(yīng)牢記社會(huì)的發(fā)展應(yīng)該和大自然的平衡和諧。company 陪伴;sympathy 同情;association 聯(lián)系。

　　[答案]D

　　34.The speech that Mr Smith made today gave a strong ________ on the students.

　　A. expression B. expectation

　　C. reputation D. impression

　　[解析]expression 表情，表達(dá);expectation 期望，盼望;reputation 名聲;impression 印象，give an impression on sb.“給某人留下印象”，為固定搭配，故D項(xiàng)正確。

　　[答案]D

　　35.Eat less and take more exercise or you'll be out of ________.

　　A. order B. shape

　　C. weight D. balance

　　[解析]out of order 出毛病了，壞了;out of shape 健康狀況不佳;變形;weight 不與 out of 搭配;out of balance 失去平衡。由句意“少吃點(diǎn)，多鍛煉，要不然，你的身體就不好了�！笨芍狟項(xiàng)正確。

　　[答案]B

　　36.When advised dieting, Marsha would say, “What's the ________ in working so hard to lose weight, only to gain it all back again?”

　　A. concern B. matter

　　C. effect D. point

　　[解析]concern 關(guān)心，擔(dān)心;matter事物;問題;effect 后果，影響;point 意義，what's the point in doing sth.?為固定句式，意為“干某事有什么意義”，故選D。

　　[答案]D

　　37.You should take ________ of this opportunity and try to make a good impression on them.

　　A. care B. advantage

　　C. charge D. panic

　　[解析]本題考查名詞的固定搭配。take care of 照顧，照料;take advantage of 利用;take charge of 負(fù)責(zé)，主管;panic 不與 take 搭配。由句意“你應(yīng)該利用這次機(jī)會(huì)給他們留下個(gè)好印象。”可知B項(xiàng)正確。

　　[答案]B

　　38.I've read the letter twice, but I can't make any ________ of it at all.

　　A. sense B. meaning

　　C. explanation D. idea

　　[解析]本題考查名詞的固定搭配。make sense of“了解……的含義”，符合句意。句意：這封信我讀了兩遍了，但我一點(diǎn)也沒讀懂。

　　[答案]A

　　39.Scientists have been worried for years about the ________ of air pollution on the earth's natural conditions.

　　A. effect B. reason

　　C. account D. cause

　　[解析]解題關(guān)鍵是題干中的介詞 on，四個(gè)選項(xiàng)中只有 effect 與介詞 on 搭配，意為“對……的影響”。句意：關(guān)于空氣污染對地球自然條件的影響，科學(xué)家們已擔(dān)心多年了。

　　[答案]A

　　40. A dog's________to his master deserves to be respected.

　　A. devotion B. principle

　　C. identity D. guidance

　　[解析]devotion, 忠實(shí)，熱愛;principle, 原則，準(zhǔn)則;道德操守;identity，身份;guidance, 指導(dǎo)。由句意“狗對主人的忠心值得尊敬�！笨芍狝項(xiàng)正確。

　　[答案]A