内容正文:
英语·必修1(人教版)
第四学时 Grammar
一、请用动词的适当形式填空
1.Some measures____________(take)to protect wildlife resources now.
答案:are being taken
2.It is wellknown to us that a lot of rivers ________(pollute)by the factories.
答案:are being polluted
3.Rainforests ____________(cut)and burned at such a speed and they will disappear from the earth in the near future.
答案:are being cut
4.The proposal ____________(consider)now by our government.
答案:is being considered
5.At that time they ____________(show)how to use computers.
答案:are being shown
6.His mother is going to ____________(operate)on by a famous doctor.
答案:be operated
7.This letter is to____________(hand)to him by you in person.
答案:be handed
8.For the first time in their lives Lucy and husband____________(invite)to an important ball.
答案:were invited
9.Today,Abraham Lincoln ____________(regard)as one of the greatest of all Americian presidents.
答案:is regarded
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10.When sugar____________(heat)enough,a black substance appears.[来源:学科网ZXXK]
答案:is heated
11.The muscles____________(strong)by exercise and the body then in good condition.
答案:are strengthened
12.He told me his novels____________(finish)in a few months.
答案:would be finished
13.Like everything else,bacteria____________(make)of molecules.
答案:are made
14.He____________(hide)behind the door.
答案:is hidden
15.My pen____________(write)smoothly.
答案:writes
二、完成下列句子
1.Don't make any noise. Her mother ____________(正在体检)by a doctor. (examine)
答案:is being examined
2.The drivers are told that the road ______________(正在修理中).(repair)
答案:is being repaired/is under repair
[来源:学科网ZXXK][来源:学科网ZXXK]
3.It is reported that a new airport in Kunming which ____________(正在建设中)falls down. (build)
答案:is being built
4.He noticed that he ________________(有人跟踪他)by a strange man when he was walking in the street.(follow)
答案:was being followed
5.The cause of the accident ________________(正在调查中)so you needn't worry. (look into)
答案:is being looked into
三、用所给动词的适当时态及语态填空
A new factory 1.________(