例题4(1999年8月考题)
Paul Samuelson revolutionized _____by presenting his students with the most advanced economic thinking at an introductory level.
(A) to teach economics
(B) the teaching of economics
(C) teaching that economics is
(D) economics is taught
首先,分析句子结构。空格后的by引导的动作做方式状语(by presenting his students with the most advanced economic thinking as an introductory level),句子的主干是Paul Samuelson revolutionized ______.由动词revolutionized(对……进行革命)的用法得出,其后应该填入名词或者名词词组,以构成完整的主谓宾结构(如果谓语动词作及物动词,句子的完整结构应该包含主谓宾结构;如果谓语动词作非及物动词,句子的完整结构是主谓结构)。对于选项A,动词revolutionize并没有revolutionize to do sth的用法,也就是说revolution做动词时,即revolutionize是及物动词,后不加不定式。选项B正好是可构成宾语的名词词组。对于选项C,其中的that economics is用法错误,因为它不能当从句修饰可做名词的动名词teaching.而对于选项D,它是一个完整的主谓结构,填入空格中根本没法形成一个结构合理的句子。
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