If _____ without following the doctor’s instructions, the medicine may have ser
题型：不详难度：来源：
If _____ without following the doctor’s instructions, the medicine may have serious side effects.| A．taken | B．to be taken | C．taking | D．being taken |
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答案
| A |
解析
试题分析：考查状语从句的省略式：句意：如果不安医生的指导吃这个药，这个药可能有严重的副作用。当主从句的主语一致的时候，可以省略从句的主语和be动词，if taken="if" the medicine is taken。选A。
点评：状语从句和主句的主语一致的话，可以省略从句的主语和be动词，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
A student in our school will be immediately sent home if he is found __________ computer games at night.| A．play | B．playing | C．to play | D．played |
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The father often buys his son English learning materials, ____at encouraging him to learn English.| A．aim | B．aimed | C．to aim | D．aiming |
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The woman,_________red,was Tom’s mother, who was waiting for him.| A．was dressed in | B．was dressing in | | C．dressed in | D．dressing in |
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When I got up early the next day , I found the air on the hill good ___________| A．breathe | B．to be breathed | C．to breathe | D．breathing |
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The traffic administration indicates that airline passengers are only allowed to carry their luggage _______ less than 5 kilograms with them.| A．weighed | B．being weighed | | C．weighing | D．to weigh |
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