If penicillin available, many people from sickness. A．weren’t , would have died B．shouldn’t be, would die C．hadn’t been, would have died D．is, will die 题目和参考答案——青夏教育精英家教网—

题目内容

If penicillin _____________ available, many people ______________ from sickness.

A．weren’t , would have died B．shouldn’t be, would die

C．hadn’t been, would have died D．is, will die

【答案】

【解析】

试题分析：考察虚拟语气。本题考察的条件句的虚拟语气。当和过去事实相反的似乎，条件状语从句中使用过去完成时，主句中使用“情态动词+have done”。句意：如果没有盘尼西林，很多人都会死于疾病。故C正确。

考点：考察虚拟语气

点评：if的虚拟语气非常重要，简要概括如下：1、表示与现在事实相反的情况，从句：If主语+过去时(Be动词用were)；主句：主语+should/would/could/might+do：　2、表示与过去事实相反的情况，从句：If主语+had+done；主句：主语+should/would/could/might+have done　3、表示对将来情况的主观推测，从句：①if+主语+were to do②if+主语+should+do ③if+主语+did（动词过去式）/were ；主句：主语+should/would/could/might+do　

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根据所提供的语境，从方框中选择适当短语的正确形式填空，使句子完整。（其中有两个多余词）

refer to, be supposed to , be back on one’s feet, lack of, inform… of, speed up, make any difference, a variety of, put one’s hands on, break down,

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