专四词汇与语法

B. should come C. came D. has come

参考答案: B

TIP:这是should的情感用法。

11. It's essential that every child ______ the same educational opportunity. A. had

B. would have C. has D. have

参考答案: D

TIP:表示命令、建议、决心等意义的动词、名词或形容词后的that从句中的动词应该用虚拟式。

12. I didn't vote in the last election, but if I ______, I would have voted for Senator Anderson. A. did B. had C. could D. should

参考答案: B

TIP:在非真实条件句中,表示过去时间时,动词应该用过去完成体。

13. She came back from her trip, ______ the house completely deserted. A. so that found B. to find

C. only finding D. only to find

参考答案: D

TIP:用only to 引导的结果状语往往表示意料之外的、不愿看到的结果。

14. She will be 21 ______. A. come May

B. when May is coming C. if May will come D. that May comes

参考答案: A TIP:这是公式化的虚拟式,come May意为when May comes,又如come winter = when winter comes。

15. He did it ______ it took me. A. one-third the time B. the one-third time C. one-third a time D. a one-third time

参考答案: A

TIP:the和a是中位限定词,one-third是前位限定词,要按序排列。

16. At the casualty department my brother had his injury ______. A. cured B. healed C. relieved D. treated

参考答案: D TIP:treat“治疗”,cure“治愈”,heal“伤口愈合”,relieve“减轻”。

17. He told his father a long and ______ story to explain his lateness. A. inconceivable B. unconvincing C. unimaginable D. incredulous

参考答案: B

TIP:unconvincing“不令人信服的”,inconceivable 和unimaginable都表示“难以想像的”,incredulous“不轻信的,表示怀疑的”。

18. Milk has a ______ to go sour in hot weather. A. tendency B. habit C. problem

D. characteristic

参考答案: A

TIP:tendency“倾向”,常接不定式,habit“习惯”,problem“问题”,characteristic“特点”。

19. Too many hotels have been built and this has ______ down prices

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