历年托福考试语法真题全面解析56
36. As inevitably as human culture has changed with the passing of time, so does the environment.答案：D
测试点；as…as结构。
分析：根据句子前半部分的谓语动词形式(has changed)， (D)应为has。 此句的正常结构应为The environment has changed with the passing of time as inevltably as human culture.
37. For some purposes it is convenient to think of a surface as the locus generated when a line straight or a curve moves through space in a prescribed manner.
答案：B
测试点：词序.
分析：单个形容词修饰名词时，一般放在名词前面．应为straight line。
解题要点：单个形容词作定语，应置于名词前面．而在TOEFL考题中这个词序常常被颠倒．应留心划线的名词+形容词的错误形式.
38. A significant proportions of the plants and animals of Hawaii exists nowhere else in the World
答案：A
测试点；数的一致。
分析：冠词A后接单数名词，不能用复数的proportions。应去掉s。
39. Mass advertising is employed when person – to – person selling is impractical, impossible, or simply inefficiency.
答案：D
测试点；词性／并列结构.
分析：or所连接的部分应同词性、同形式．此处名词inefficiency应为形容词inefficient,与impractical和impossible并列.
40. Mexican jumping beans are actually seeds in which contain moth larvae whose activity causes the seeds to “jump.”
答案：C
测试点：主语.
分析：此处定语从句中的连接代词which兼作从句主语，前面不用介词.
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