对固定结构的考查,如:
① The professor could hardly find sufficient grounds _____ his
arguments in favor of the new theory.
A. to be based on B. to base on
C. which to base on D. on which to base
② The pressure _____ causes Americans to be energetic, but it
also puts them under a constant emotional strain.
A. to compete B. competing
C. to be competed D. having competed
①题为不定式做定语的固定形式,答案为D,②题为某些特定名词的定语结构,答案为A。在英语中有些名词,如动词变来的名词,形容词变来的名词,以及means, way, time, moment, reason等要求其后用不定式做定语,不定式没有体的变化。
4) 做状语的非谓语动词的选择
做状语的非谓语动词主要考查其各种形式的选择,如:
① ______ the earth to be flat, many feared that Columbus would fall off the edge of the earth.
A. Having believed B. Believing C. Believed D. Being Believed
② _______ a teacher in a university, it is necessary to have at least a masters degree.
A. To become B. Become C. One becomes D. On becoming
③ Realizing that he hadnt enough money and ____ to borrow from his father, he decided to sell his watch.
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