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，狀語從句，分詞等修飾成分。A中Their指代不明，而且 classification和berries也不相符，錯;B中Although為conj.，后面應(yīng)該是完整句，錯;C中Because為 conj.，后面應(yīng)該是完整句，錯。
參考譯文：培植的葡萄的植物分類跟漿果是一樣的，它們成串的長在樹上，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前為一簡單句。
參考譯文：鐃鈸在軍樂隊(duì)里是一個基本的樂器，而且還經(jīng)常在現(xiàn)代管弦樂里使用。
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：兩個謂語需要有一個conj.來連接。一個句子中出現(xiàn)2個謂語且沒有連接詞就一定錯。
參考譯文：在樂器演奏家的哲學(xué)里面，思想和知識是專有排外性的功能性的過程。他們的重要意義僅限于在經(jīng)驗(yàn)發(fā)展的過程中，用于樂器演奏。
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中沒有謂語;B中that多余，因?yàn)榫渲兄挥幸粋�謂語;D也沒有謂語。
參考譯文：滅火器的通過冷卻或者減少火中的氧氣的方法工作的，大多數(shù)時候兩個方法都會用到。
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。