2. 外语
  3. During a civil defense exercise, the police ______ the streets in ease anyone tried to leave shelter too soon.

During a civil defense exercise, the police ______ the streets in ease anyone tried to leave shelter too soon.

admin2011-05-29  51
问题 During a civil defense exercise, the police ______ the streets in ease anyone tried to leave shelter too soon.
选项 A、paved
B、patrolled
C、peered
D、permeate
答案B
解析 patrol巡逻；pave(给道路)铺上石块或砖；peer眯着眼看；permeate (through)渗透，穿过。句意：在一次民众防卫演习中，警察要巡查街道防止有人提早拿开护庇设施。
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