16. This (equipment) is (based upon) advanced (techniques) and it is (highly reliable).

　　A A

　　B B

　　C C

　　D D

　　答案:C

　　應(yīng)改為technology.technique為“技巧，方法”，technology為“技術(shù)”，不可數(shù)，這里應(yīng)是“以先進(jìn)的技術(shù)為基礎(chǔ)”，故改為technology.

　　17. We (saw) a big dog that was fierce and (felt frightened) (in) (our way) home.

　　A A

　　B B

　　C C

　　D D

　　答案:C

　　應(yīng)改為on。on one’s way home在某人回家的路上，為固定用法。

　　18. This is (such) a beautiful day that everyone (around) us (feel like) (going out) for a walk.

　　A A

　　B B

　　C C

　　D D

　　答案:C

　　應(yīng)改為feels like。everyone等不定代詞做主語，后面謂語動詞要用單數(shù)形式。

　　19. (After) his graduation (from) the university, he (has worked) (in) a famous computer company.

　　A A

　　B B

　　C C

　　D D

　　答案:A

　　改為since。since才能引導(dǎo)完成時態(tài)的時間狀語從句。自從大學(xué)畢業(yè)后，他就在一家著名的電腦公司工作。

　　20. (Where) did the accident (in which) your friend (was hurt) (took place)?

　　A A

　　B B

　　C C

　　D D

　　答案:D

　　應(yīng)改為take place。前面有助動詞，后面的動詞用原形。[譯文]你朋友受傷的那次事故發(fā)生在何地?

　　21. We (will have) to (put off) our departure (in the case) it (rains).

　　A A

　　B B

　　C C

　　D D

　　答案:C

　　in the case應(yīng)改為in case如果下雨我們就要推遲我們的行程。In case連詞，萬一，in the case of副詞短語：萬一…。

　　22. Jane had (a great deal of) trouble (to concentrate on) her study (because of) the noise in (the next) room.

　　A A

　　B B

　　C C

　　D D

　　答案:B

　　應(yīng)改為concentrating on.Have trouble doing sth，做…有困難。

　　23. It is (about time) that we (go to supper), (for) we still have a meeting (to attend) this evening.

　　A A

　　B B

　　C C

　　D D

　　答案:B

　　應(yīng)改為went to supper.It is time that…后面要用虛擬語氣，即用過去式表示。

　　24. (Let’’s not) waste time on (matters of no important). We have other (vital) problems to (deal with).

　　A A

　　B B

　　C C

　　D D

　　答案:B

　　應(yīng)改為of no importance。介詞of后應(yīng)接名詞、代詞或動詞的現(xiàn)在分詞等。[譯文]我們不要在這些瑣事上浪費時間了。我們還有其他重要的事情處理。

　　25. You (will not able to) pass the examination (unless) you (work harder) than you (do) now.

　　A A

　　B B

　　C C

　　D D

　　答案:A