Unit 6 When was it invented Section A(3a-4c) 课时同步练（基础达标+能力提升）（含答案）

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Unit 6 When was it invented
Section A(3a-4c)
课时基础达标
I.单项选择
( ) 1. The biscuits by the children yesterday.
A.ate B. eat C. were eaten D. was eaten
( )2. Please boil some water the guest, Peter.
A. drink; to B. drink; for C. drinking; to D. drinking; for
( ) 3.- was the tea invented
-It was invented accident.
A. When; in B. When; by C. How; in D. How; by
( )4. Please the soup and see if it has enough salt.
A. smell B. look C. taste D. look at
( )5. The prices in the shop are very ,so many people go there to buy things.
A. expensive B. cheap C. high D. low
( )6.The bus overturned and a river last night because of the drunken driver.
A.fell into B.looked into C. broke into D. put into
( )7. Great changes in our school in the past few years.
A. have taken place B. took place
C. take place D. will take place
( )8. Did you and your sister go to Miss Brown's party yesterday No. Neither of us .
A.invites B. invited C. is invited D. was invited
( )9. -Who helped you sweep the classroom yesterday
- . I did it all by myself.
A. Somebody B. Anybody C. Nobody D. Everybody
( )10. Who is the winner of the 100-meter races
-Don't you know It must be James Green .
A. without doubt B. by mistake C. by accident D. in doubt
Ⅱ.根据句意及首字母或汉语提示写出单词
1. One of the world's favorite drinks was invented by a .
2. Lu Xun was without d a great writer.
3.The Russian soup s very nice. I can't wait to drink it.
4. There are lots of vegetables and fruit in the (冰箱). It can keep them fresh.
5.The secretary isn’t able to (翻译) this business letter into French.
III.从方框中选词并用其适当形式填空
suddenly, nation, accident, music, discover
1. Tea, the most popular drink, is an invention.
2. The park lies in the mountain.
3. The mother found her daughter had a talent.
4. It is said that the tea as a drink by a Chinese ruler.
5. He made a decision to go to Beijing.
Ⅳ.根据汉语意思完成句子
1.据说，暴风雪明天就要来了。
that the snowstorm will come tomorrow.
2.令人吃惊的是，一些科学发现是偶然发现的。
Surprisingly, some scientific discoveries were made .
3.一切发生得太突然了。他无法接受。
All took place .He couldn't accept that.
4.毫无疑问，你越努力，就越幸运。
, the harder you work, the luckier you will be.
课时能力达标
V.综合填空
根据短文内容，从方框中选择恰当的单词并用其适当形式填空，使短文内容通顺、完整。每词限用一次。
look, good, on, appear, especially, before, share, other, side, and
In recent years，with the development of technology, many popular apps (应用程序) have been produced. These days, an app has caught great attention. It is Douyin, a video sharing app. Douyin first 1. in 2016. Now it is many people's favorite app, 2. the young.
With Douyin, users can record videos, edit(编辑) them and 3. them online. It is very easy 4. interesting. We can share our videos with our friends with just a tap on the mobile phone screen.What's more, it's a great way to spend our free time by 5. looking through those funny videos.
However, every coin has two 6. . The app also has bad things. On the one hand people spend long hours 7. the app, which is harmful for their health. On the 8. hand，users can also find some bad things on the app. Such thing is unsuitable and meaningless.
In my Opinion, Douyin should check the videos 9. they are uploaded(上传) in order to keep a healthy environment for its users. Douyin is not 10. for teenagers. We should not use it too often.
VI.短文还原
Smart wristband(智能手环) a new welcoming product, is changing our lifestyle. 1. And there are also many different brands to choose, such as Apple or Huawei.
Here are the reasons why people choose a wristband.
2. The wristband can also be connected to the mobile phone. You are able to use it to answer the phone, but a traditional watch can never do that.
Besides, the smart wrist band looks fascinating. 3. We often see teenagers wearing wristbands.
Thirdly, at present many people have realized the importance of health. Some people play sports every day to keep healthy. 4. The wristband shows the results every day and you’ll know whether you achieve your aim or not. However, some parents are still against using it. 5. They think the teenagers are under the radiation(辐射)all the time.
Each coin has two sides. Use it or not, it's up to you.
根据短文内容，从方框中选出五个句子填入文中空缺处，使短文内容通顺、完整。(选项中有一项为多余选项)
A. It's very popular among teenagers because it's cool enough.
B. In their opinion, wearing wristbands for a long time may cause cancer (癌症).
C. More and more people prefer to choose a smart wristband in their daily life.
D. It's helpful to know how far they have run or how many steps they have got with a wristband.
E. First of all, it can tell the time like a normal watch.
F. In their opinion, it is not necessary for people to wear a wristband.
参考答案
I.1.C 2.D 3.D 4.C 5.D 6.A 7.A 8.D 9.C 10.A
II.1.accident 2.doubt 3.smells 4.fridge 5.translate
III.1.accidental 2.national 3.musical 4.was discovered 5.sudden
IV.1.It is said 2.by accident 3.all of a sudden 4.without doubt
V.1.appeared 2.especially 3.share 4.and 5.looking 6.sides 7.on 8.other 9.before 10.good
VI.1-5 CEADB
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