环球教育托福频道：关于托福考试中语法的讨论，为了验证考生们收获的程度;举例一道语法题并且附录答案，大家可以测测自己掌握的情况，从而调整自身备考计划。

　　1. Most doctors of the Colonial period believed _______ was caused by an imbalance of humors in the body.

　　A. in disease

　　B. that disease

　　C. of disease

　　D. about disease

　　答案:B

　　分析:动词believe 的用法:直接加that引导的宾语从句.这里that为连接adv.,在句中不作任何成分,其后接完整句.

　　参考译文:大多数殖民时期的医生认为疾病来源人体内不平衡的体液.

　　2. In 1976 Sarah Caldwell became _________ at the Metropolitan Opera House in New York City.

　　A. she was the first woman to conduct

　　B. the first woman conductor

　　C. the woman was first conducting

　　D. the woman conducts first

　　答案:B

　　分析:缺宾语,答案中只有B,D可以作宾语,但D的语序不对.

　　参考译文:1976,Sarah Caldwell成为在第一个在纽约Metropolitan Opera House演出的演奏家.

　　补充: 常考 the first/second/… one to do sth

　　3. On January 7, 1955, Marian Anderson became _________ to sing a major role at New York City's Metropolitan Opera House.

　　A. the first African American

　　B. the first African American was

　　C. she was the first African American

　　D. when the first African American

　　答案:A

　　分析:缺宾语,C, D都不能作宾语.一句话中只能有一个谓语,而B中有was,句中出现两个谓语,一定错.

　　参考译文:1955年1月7号,Marian Anderson成为在第一个在纽约Metropolitan Opera House担任主唱的美籍黑人.

　　4. Perhaps the most significant postwar trend was the decentralization of cities throughout the United States, _________ when massive highway-building programs permitted greater suburban growth.

　　A. and accelerated a phenomenon

　　B. a phenomenon that accelerated

　　C. accelerating a phenomenon which,

　　D. the acceleration of which phenomenon

　　答案:B

　　分析:考的是同位语结构,a phenomenon是 the decentralization of cities throughout the United States 的同位语.A中and为conj.,后面应该连接一个完整的句子,但缺主语,错;C中语序混乱,错; D中of which作为介词宾语,后面应该接一个完整句,但只有一个phenomenon主语,句子不完整,错.

　　参考译文:可能战后最重大的趋势就是美国城市的分散化,当大规模高速公路建设项目容许了更大程度的发展郊区,这个现象更被促进了.

　　补充: accelerate/ accomplish/ achieve/ evolve都可以是vi.不接宾语

　　5. Ronald Reagan had served two terms as governor of California before _________ President.

　　A. he became

　　B. when becoming

　　C. became

　　D. did he become

　　答案:A

　　分析:before为状语从句引导词conj,后面一般引导一个完整的句子.B同时出现两个状语从句引导词,错;C缺主语;D应该为正常语序,选项中使用了倒装句式,错.

　　参考译文:里根在成为美国总统之前连续两届担任加州的州长.

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