These viruses, if ________ in, can result in illness or even death.A．breathingB．
题型：不详难度：来源：
These viruses, if ________ in, can result in illness or even death.| A．breathing | B．breathed | C．breathe | D．to breathe |
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答案
| B |
解析
试题分析：考查状语从句的省略式，英语中如果主从句的主语一致，可以省略从句的主语和be动词，if breathed in="if" these viruses are breathed，句意：如果被吸入，这些病毒会导致疾病或死亡。选B。
点评：做这种题目可以用还原法做题，先把主语和be动词加上，再判断是主动还是被动。句意通顺才行。 |
举一反三
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