Unit 13 We're trying to save the earth!语法与考点精练学案（含答案）【人教九年级英语】

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九年级英语Unit13语法与考点精练
语法精练
一、根据句意，用括号中所给单词的适当形式填空。
1. The book fair (begin)last Friday and it will last for a week.
2.Hurry up! Mr. Brown (wait)for us in the meeting room at the moment.
3.I'm sorry I didn't answer your call because I (listen)to a speech.
4. Boys and girls, join in the winter camp, and you (develop) some basic life skills.
5.They (make) some friends since they moved to this city.
6.The children were hungry and the salad (eat)up soon.
7. In recent years, people's sense of self-protection (increase) greatly.
8. The tea in Yunnan is so famous that it (send) to places across the world every day.
9. We think this problem must (solve)as early as possible.
10. You mustn't (play)with the knife,or you may (hurt) yourself.
二、根据句意，选择所给的情态动词填空。
should, can,might, mustn't,needn't
11. What an amazing robot! It cook more than 5,000 dishes.
12. I think teenagers help with housework in their daily lives.
13.Children sit on the front seat of the car. It's not safe for them.
14. Mary, I've got everything ready for the picnic.You bring anything with you.
15.-I don't know whose backpack it is. It be Judy's.
-I'll go to ask her.
考点精练
考点一：cost,spend,take与pay的辨析
【精讲】四者都有“花费”的意思，但是用法不同。cost 主语通常是物，常用于 sth. cost(s) sb.some money句型中，意为“某物花费某人多少钱”；spend 主语通常是人，常用于 spend some money/time(in)doing sth.结构中，意为“花费金钱/时间做某事”，也用于 spend money/time on sth.结构中，意为“在某方面花费金钱/时间”；take常用 it 作形式主语，用于 It takes/took sb.some time to do sth.句型中，意为“做某事花费某人多长时间”；pay 主语是人，常用于 sb. pay(s)/paid some money for sth.句型中，意为“某人为某物花费多少钱”。
【精练】
( )1.-Do you often get online
-Yes.I lots of time on it.
A.cost B.spend C.take D.pay
( )2.-Your new skirt looks very nice. How much is it
-It me Y200.
A.cost B.paid C.spent D.afforded
( )3.-It will only about 50 minutes to travel to Mount Wuyi by high-speed railway.
-Wow, how exciting! I can't wait.
A.take B.spend C. cost D.pay
4.She spends an hour reading English every day.(改为同义句)
It her an hour to English every day.
5.The new fridge cost me 6,000 yuan.(改为同义句)
I 6,000 yuan the new fridge.
易错点二：the number of 与 a number of 的辨析
【精讲】the number of意为“……的数量”，后面接名词复数，谓语动词用单数形式；a number of意为“大量；许多”，相当于a lot of,后面接名词复数，谓语动词用复数形式。
【精练】
( )6.There a number of members in the Green Life Club. The number of them 30 now.
A.are; are B.are;is C.is;is D.is;are
( )7.A number of tourists Chengdu many times because it's such a beautiful city.
A. have gone to B. has been to
C. have been to D.has gone to
易错点三：take part in,join与join in的辨析
【精讲】take part in 意为“参加”，常指参加某项群体活动并在活动中发挥作用；join表示“参加、加入”，通常指参加或加入某个组织或社团并成为其中一员；join in 表示“参加”，后可接“比赛、活动”等名词。join sb. in (doing)sth.意为“和某人一起做某事”，其中 in(doing)sth.可省略。
【精练】
( )8.If John the talent show, he would win it for sure.
A.joined B.joins in C.takes part in D.took park in
( )9.-I suppose we'll go to plant trees next week.
-Great! Planting trees is a lot of fun. I'd like to you.
A.visit B.follow C.join D.meet
( )10. My brother Jack the army for 5years.
A.has joined B. has joined in
C. has been in D.has taken part in
易错点四：turn off,turn on,turn down与turn up的辨析
【精讲】turn off意为“关掉，切断（自来水、电器开关等)”；turn on 意为“打开”；turn down意为“调低（音量），关小”；turn up意为“调高（音量），开大”。四个词组都为“动词+副词”型词组，当宾语是名词时，名词既可放在副词的前面，也可放在副词的后面；当宾语是代词时，代词只能放在副词的前面。
【精练】
( )11.-Could you the computer for me, dear I want to check my e-mails.
-Certainly, I'll do it right away.
A.turn on B.turn down C.turn off D.turn up
( )12.-I'd like to buy a new oven.
-The ones over there sell well. You can one by one to have a try.
A.turn on it B.turn it on
C.turn on them D.turn them on
( )13. Would you please the light I can't sleep well with it on.
A.turn on B.turn off C.turn to D.turn around
( )14.-I'm afraid his radio is too noisy. Will you please him to a little
-Sure.
A.ask; turn it down B.allow; turn it on
C.tell; turn it up D.advise; turn it off
参考答案
语法精练
一、1. began 2.is waiting 3. was listening 4. will develop 5.have made
6. was eaten 7. has increased 8.is sent 9. be solved 10.play; hurt
二、11.can 12.should 13.mustn't 14.needn't 15.might
考点精练
1~3.BAA 4.takes; read 5. paid; for/spent; on 6~10.BCDCC 11~14.ADBA
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