Looking at superficially, people appear to function well enough in economic and social activities; yet it would be dangerous to

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问题 Looking at superficially, people appear to function well enough in economic and social activities; yet it would be dangerous to overlook the deep-seated unhappiness behind that comforting disguise.

选项 A、To be looking
B、Look
C、Having looked
D、Looked

答案D

解析    (1)画线部分错误分析。
   Looking at superficially是分词短语,作第一个分句people appear to function well enough in economic and social activities的状语。looking是现在分词,表示该行为与其逻辑主语people是主动关系。根据句意,Looking at superficially应与分句主语people为被动关系,因此应将looking改为表示被动关系的过去分词。
   (2)选项辨析。
   A和C选项均为现在分词短语,B选项为原形动词,不符合语法,可直接排除。只有选项D符合要求。
   【知识拓展】(1)语法拓展:分词作状语。
   ①现在分词作状语时,表示动作是句子主语的动作,它们之间的关系是主动关系。
   e.g.Heating the knock on the door, they stopped talking.
   他们听到有人敲门,就不再说话了。
   ②过去分词作状语时,表示动作是句子主语所承受的动作,它们之间是被动关系。
   e.g.Confined to bed,she needed to be waited on in everything.
   她卧病在床,不得不让人事事服侍。
   (2)拓展练习:试分析以下分词与主语的关系。
   e.g.He had to quit the position and went in exile,having been deprived of his power.
   他被剥夺了权力之后,只好离职,流落他乡。
   She studied him for the longest time,looking wryly amused.
   她面带苦笑,盯着他看了很长时间。
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