题目内容
In many cities of China, if an ambulance is__in a traffic jam, police will respond to the emergency.
A. held up B. held back
C. held down D. held out
A
【解析】
试题分析:考查动词短语。A. held up举起耽搁;B. held back阻止;C. held down压低;D. held out伸出;句意:在中国许多城市,如果救护车被塞车,警察会马上支援。根据in a traffic jam可知陷入塞车,故选A项。
考点 : 考查动词短语
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