There are some health problems that , when _______ in time , can become bigger o
题型：不详难度：来源：
There are some health problems that , when _______ in time , can become bigger ones later on.| A．not treated | B．not having treated | | C．not to be treated | D．not having been treated |
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答案
| A |
解析
试题分析: 考查非谓语动词。从句子结构可知动词treat和逻辑主语health problems之间是被动关系，而且是指普遍性情况，所以答案选A。句意：有一些健康问题，当不被及时治疗时，以后可能会成为大问题。 |
举一反三
There are 30 people________in the traffic accident but the injured ________ rescued at once.| A．injuring; were | B．injuring; was | | C．injured; was | D．injured; were |
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—I regret____ to tell ____you that John has been fired.
—I can hardly believe my ears. He is such a fine worker.| A．telling | B．having told | C．to tell | D．to have told |
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_____as a responsible person ，Tony was appointed head of the department.| A．Judging | B．Judged | C．Having judged | D．To be judged |
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The teacher went up to the sleeping student and patted him on the head, _______.| A．waking him up | B．to wake him away | | C．woke him up | D．waken him away |
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| A．killing | B．to be killed | C．to kill | D．being killed |
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