1. _________， domesticated grapes grow in clusters， range in color from pale green to black， and contain sugar in varying quantities.

　　A. Their botanical classification as berries

　　B. Although their botanical classification as berries

　　C. Because berries being their botanical classification

　　D. Classified botanically as berries

　　答案：D

　　分析：句子的主語(yǔ)是grapes ， 后面是平行結(jié)構(gòu)grow…， range…， and contain…�？崭窈蟮木渥右淹暾�，那么空格處就應(yīng)該是同位語(yǔ)，狀語(yǔ)從句，分詞等修飾成分。A中Their指代不明，而且 classification和berries也不相符，錯(cuò);B中Although為conj.，后面應(yīng)該是完整句，錯(cuò);C中Because為 conj.，后面應(yīng)該是完整句，錯(cuò)。

　　參考譯文：培植的葡萄的植物分類跟漿果是一樣的，它們成串的長(zhǎng)在樹(shù)上，顏色從灰白色到黑色，并且包含由不同數(shù)量的糖份。

　　2. The cymbal is ________ in the military band and is also frequently used in modern orchestral music.

　　A. a basic instrument

　　B. basic instrument

　　C. how basic an instrument it is

　　D. as an instrument is basic

　　答案：A

　　分析：instrument可數(shù)，前面應(yīng)該有限定詞a.and前為一簡(jiǎn)單句。

　　參考譯文：鐃鈸在軍樂(lè)隊(duì)里是一個(gè)基本的樂(lè)器，而且還經(jīng)常在現(xiàn)代管弦樂(lè)里使用。

　　3. In instrumentalist philosophy， ideas and knowledge are exclusively functional processes： they are of significance only _________ instrumental in the development of experience.

　　A. as they are

　　B. are they

　　C. there are

　　D. are

　　答案：A

　　分析：兩個(gè)謂語(yǔ)需要有一個(gè)conj.來(lái)連接。一個(gè)句子中出現(xiàn)2個(gè)謂語(yǔ)且沒(méi)有連接詞就一定錯(cuò)。

　　參考譯文：在樂(lè)器演奏家的哲學(xué)里面，思想和知識(shí)是專有排外性的功能性的過(guò)程。他們的重要意義僅限于在經(jīng)驗(yàn)發(fā)展的過(guò)程中，用于樂(lè)器演奏。

　　4. _________ either by cooling or by depriving the fire of oxygen， and most do both.

　　A. Working fire extinguishers

　　B. Fire extinguishers that work

　　C. Fire extinguishers work

　　D. The work of fire extinguishers

　　答案：C

　　分析：空格中缺主謂。A中沒(méi)有謂語(yǔ);B中that多余，因?yàn)榫渲兄挥幸粋�(gè)謂語(yǔ);D也沒(méi)有謂語(yǔ)。

　　參考譯文：滅火器的通過(guò)冷卻或者減少火中的氧氣的方法工作的，大多數(shù)時(shí)候兩個(gè)方法都會(huì)用到。

　　5. The introduction of mass-production methods enabled many people _________ and gave them an unprecedented amount of mobility.

　　A. to purchase their own automobiles

　　B. their own to purchase automobiles

　　C. to their own purchase automobiles

　　D. own their automobiles to purchase

　　答案：A

　　分析：為固定結(jié)構(gòu)enable sb to do sth.

　　參考譯文：規(guī)模生產(chǎn)方法的產(chǎn)生，使得人們能夠買自己的車，并獲得了空前的靈活性。