2. 职称英语
  3. Millions of tons of water are ______ by a complex system of dykes.A、held upB、he

Millions of tons of water are ______ by a complex system of dykes.A、held upB、he

游客2025-05-04  23
问题 Millions of tons of water are ______ by a complex system of dykes.
选项 A、held up
B、held on
C、held out
D、held back
答案 D
解析 本题是说数百万个水离子被一种复杂的沟渠系统阻挡住了。D项“hold back”阻挡；阻止……的发展；隐瞒(秘密)；踌躇，畏缩不前(如His poor education is holding him back．The police held back the crowd．He was holding something back from us．No one held back in face of danger．)，符合题意。其他三项中，hold up“举起；支撑；使停顿，使不能继续进行；(拦路)抢劫”；hold on(单独用)“握住不放，坚持下去，(电话)请等一会儿”；hold out(单独用)“伸出；坚持(要求)，不屈服(for sth)”，都不符合题意。
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