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29. ______ to reach them on the phone, we sent an email instead. (2008重慶卷)

A. Fail                   B. Failed               C. To fail                D. Having failed

【答案】D。

【考點】考查非謂語動詞。

【解析】根據語境分析，“用電話聯系”與“發電子郵件”兩個動作之間有明顯的先后關系，故先發生的動作要用完成式。

30. —I can’t find my purse anywhere.

—You ______ have lost it while shopping. (2008重慶卷)

A. may                  B. can                    C. should              D. would

【答案】A。

【考點】考查情態動詞表推測。

【解析】may have done的意思是“可能已經做……了”，用于對過去情況作推測，又如：She’s late. I think she may have missed the train. 她遲到了。我想她可能誤了火車。

31. He ______ as a national hero for winning the first gold medal for his country in the Olympics. (2008重慶卷)

A. regarded          B. was regarded  C. has regarded   D. had been regarded

【答案】B。

【考點】考查被動語態。

【解析】根據句意可知，he與regard之間為被動關系，要用被動語態，故可排除A和C；另外，由于句沒有過去時間作參照，所以不宜用過去完成時。

32. The artist was born poor, ______ poor he remained all his life. (2008重慶卷)

A. and                   B. or                       C. but                     D. so

【答案】A。

【考點】考查并列連詞用法。

【解析】and在此表強調，and poor he remained all his life的正常詞序為and he remained poor all his life。

33. All people, ______ they are old or young, rich or poor, have been trying their best to help those in need since the disaster. (2008重慶卷)

A. even if              B. whether            C. no matter          D. however

【答案】B。

【考點】考查讓步狀語從句。

【解析】whether在此引導讓步狀語從句，意為“無論”。

34. —I am afraid I can’t return the book to you before Friday.

—______. (2008重慶卷)

A. Don’t be afraid   B. Be careful        C. Not at all    D. Take your time

【答案】D。

【考點】考查交際用語。

【解析】比較四個選項，顯然只有Take your time(不用急)最符合語境。

35. Teenagers ______ their health because they play computer games too much. (2008重慶卷)

A. have damaged  B. are damaging  C. damaged   D. will damage

【答案】B(http://www.52ysedu.com/)。

【考點】考查動詞時態。

【解析】此處用現在進行時表示“損害健康”這一情況正在發生。

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