2020-2021学年高中英语随堂演练必修二-4-2.docx

随堂演练
准时体验 巩固提升
Ⅰ.把下面的句子改成被动语态
1．The family are building a new house over there.
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答案　A new house is being built (by the family) over there.
2．The doctors are operating on his left leg.
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答案　His left leg is being operated on (by the doctors)．
3．We are sending helicopters to rescue them now.
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答案　Helicopters are being sent (by us) to rescue them now.
4．They are discussing whether they will go for a picnic tomorrow.
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答案　Whether they will go for a picnic tomorrow is being discussed (by them)．
5．Lucy is carrying a heavy box full of books.
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答案　A heavy box full of books is being carried (by Lucy)．
Ⅱ.语法学问
1．— Excuse me, what time is it now?
— Sorry, my watch ________. It ________ at the shop.A. isn't working; is being repaired
B. doesn't work; is being repaired
C. isn't working; is repaired
D. doesn't work; is repaired
答案与解析　B　答句句意：愧疚，我的表现在不能用了，正在店里修理着。
2．A new cinema ________ here. They hope to finish it next month.
A. will be built B. is built
C. has been built D. is being built
答案与解析　D　从后半句“他们期望下个月竣工”，可知电影院目前正在被建，应用进行时态的被动语态。
3．— Have you moved into your new school yet?
— Not yet. The buildings ________.
A. are painted B. are being painted
C. will be painted D. are painting
答案与解析　B　句意：——你们已经搬进新学校了吗？——还没有，新楼正在粉刷。所以此处要用现在进行时的被动形式。
4．Although the causes of cancer ________， we don't yet have any physical way to prevent it.
A. are being uncovered B. have been uncovering
C. are uncovering D. have uncovered
答案与解析　A　causes与uncover之间应为被动关系，故B、C两项不符合；D项是完成时，与题干意义不吻合。
5．— Have you worked in the new factory?
— Not yet, the project ________.
A. is being built B. is building
C. is built D. is being building
答案与解析　A　从not yet可知应用现在进行时的被动语态。