2. 外语
  3. The recent surge in the number of airplane flights has clogged the nation’s air-traffic control system, to lead to 55 percent mo

The recent surge in the number of airplane flights has clogged the nation’s air-traffic control system, to lead to 55 percent mo

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问题 The recent surge in the number of airplane flights has clogged the nation’s air-traffic control system, to lead to 55 percent more delays at airports, and prompts fears among some officials that safety is being compromised.
选项 A、to lead to 55 percent more delays at airports, and prompts
B、leading to 55 percent more delay at airports, and prompting
C、to lead to a 55 percent increase in delay at airports and prompt
D、to lead to an increase of 55 percent in delays at airports, and prompted
E、leading to a 55-percent increase in delays at airports and prompting
答案E
解析 动词不定式作目的状语，有两种情况：(1)放在句首，与主句用逗号隔开；(2)放在句末与主句相连，不能用逗号分隔开来。A、C、D都把表目的的动词不定式与主句分隔开了，错。同时，此处应该表示结果状语，而非目的状语，动词不定式并不具有此功能。B、E比较，B中的55 percent more delay的表达模糊，让人不理解，因而有缺陷；同时，有more出现却无对应的比较对象出现，也是不完整的。E中的a 55-percent increase indelays的表达清楚、易懂。
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