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14. With no one to ______ in such a frightening situation, she felt very helpless. (2006陜西卷)

A. turn to              B. turn on              C. turn off              C. turn over

【答案】A。

【考點】考查短語動詞辨析與用法。

【解析】turn to的意思是“轉向”“求助于”等。又如：She has nobody she can turn to. 她求助無門。The child turned to its mother for comfort. 那孩子向母親尋求安慰。

15. According to _______ World Health Organization, health care plans are needed in all big cities to prevent _______ spread of AIDS. (2006陜西卷)

A. the; 不填         B. the; the             C. a; a                    D. 不填; the

【答案】B。

【考點】考查冠詞用法。

【解析】第一空填the，因為World Health Organization為普通名詞構成的專有名詞; 第二空填the，表特指，即特指AIDS的傳播。

16. Only then _______ how much damage had been caused. (2006陜西卷)

A. she realized    B. she had realized   C. had she realized    D. did she realize

【答案】D。

【考點】考查倒裝句式。

【解析】當“only+狀語”置于句首時，其后句子要用倒裝語序，如：Only then did he realize that he was wrong. 到那時他才意識到他錯了。Only in this way are you able to do it well.  你只有用這種方法才能把它做好。

17. Faced with a bill for $10, 000, _______. (2006陜西卷)

A. John has taken an extra job        B. the boss has given john an extra job

C. an extra job has been taken       D. an extra job has been given to John

【答案】A。

【考點】考查非謂語動詞用法。

【解析】根據“分詞作狀語其邏輯主語應與句子主語一致”的原則，只有A才是對的。

18. He hurried to the booking office only _______ that all the tickets had been sold out. (2006陜西卷)

A. to tell                B. to be told           C. telling                D. told

【答案】B。

【考點】考查非謂語動詞用法。

【解析】only后接不定式表示出人意料的結果，又如：I arrived at the shop only to find I’d left all my money at home. 我到商店卻發現錢全放在家里。

19. As you worked late yesterday, you _______ have come this morning. (2006陜西卷)

A. mayn’t              B. can’t                  C. mustn’t             D. needn’t

【答案】D。

【考點】考查情態動詞用法。

【解析】將四個選項分別填入句中，只有填needn’t(不必)時意思最通順。

20. This is a very interesting book. I’ll buy it, _______. (2006陜西卷)

A. how much may it cost                   B. no matter how it may cost

C. however much it may cost           D. how may it cost

【答案】C(http://m.52ysedu.com/)。

【考點】考查狀語從句。

【解析】however much it may cost為讓步狀語從句，相當于no matter how much it may cost。又如：However much he eats, he never gets fat. 無論他吃多少, 他都不發胖。

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