人教版九年级全册Unit 6 When was it invented? Section A (3a-3c) 课时练习 (含答案)

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名称 人教版九年级全册Unit 6 When was it invented? Section A (3a-3c) 课时练习 (含答案)
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更新时间 2024-04-27 22:10:14

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Unit 6 When was it invented
第2课时 Section A (3a-3c)
一、根据句意及汉语提示写单词
1. Though he is in danger, he __________ (保持) calm.
2. These are ______________ (偶然的) inventions. Can you say out their names
3. He told us that he had no reason to _________ (怀疑) his friends.
4. The number of __________ (交易) with other companies has increased.
5. He put the noodles into the pot when the water __________ (烧开).
二、用括号内所给单词的适当形式填空
6. Li Shimin is believed to be a good __________ (rule) in the history.
7. Many teenagers look up to __________ (nation) heroes and dream of becoming like them.
8.It ___________ (call) the Bell Tower because there is a big bell in the tower.
9. These university students are busy helping to spread the ____________ (popular) of environmental protection.
10. The milk __________ (smell) sour. Don’t drink it.
三、根据汉语意思完成英文句子
11. 很多乐曲虽是偶然之作,但价值恒远。
Many pieces of music have a lasting value though they are made up ________________.
12.据说,第34 届夏季奥林匹克运动会将会在美国洛杉矶举办。
__________________________ Games of the Olympiad will be held in Los Angeles, America.
13.在过去的几年里,我的家乡发生了巨大的变化。
Great changes ____________________ in my hometown in the past few years.
14. 毫无疑问,中国数字农业的发展是有价值的。
_________________, the development of Chinese digital agriculture is valuable.
15.人们相信科技可以帮助国家变得越来越强大。
________________ that technology can help the country become stronger and stronger.
四、易错题 完成下列各题
考点 doubt 的用法
16. He said that very clearly so that nobody was in ______ about what he meant.
A. doubt B. wonder C. question D. puzzle
17. I have no doubt _______ most of the students in our class passed the exam.
A. whether B. though C. that D. as
18.钢琴毫无疑问是世上最流行的乐器之一。
________________, the piano is one of the most popular instruments in the world.
= __________________ that the piano is one of the most popular instruments in the world.
知识小结
(一) doubt 常见用法
① be in doubt 不确定;拿不准
e.g. The success of the system is not in doubt.这种制度的成功确定无疑。
② no doubt 无疑;确实地
③ without doubt 毫无疑问;的确
(二) no doubt、without doubt 辨析
含义 表达形式 用法区别
毫无疑问;的确 Without doubt,... 作为插入语,后面要加“,”
毫无疑问 There is no doubt that... 作为主句,that 后引导了一个同位语从句
Without doubt 与There is no doubt that 之间可以进行转换,含义相同
五、完形填空
In ancient times, the “Four Great Inventions” in China had a great influence on the whole world. In recent years, China once again has 19_______ its ability to change the world with its “Four New Great Inventions”:high-speed railways, mobile payment, bike-sharing and online shopping.
Do you know 20_______ the new inventions can appear in China The “Four New Great Inventions” are 21_______ related to China’s high-tech innovation (创新).For example, bike-sharing is based 22_______ the satellite navigation system (卫星导航系统), mobile payment, big data and other high technologies.This shows that China’s high-tech innovation has greatly 23_______ the quality of people’s lives.
China has entered a new innovative era (时代), thanks to the large amount of 24_______ that China has spent on encouraging innovation.China is beginning to 25_______ in innovation in some ways.
“The ‘Four New Great Inventions’ have 26_______ improved the customers’ experiences, and helped national and global (全球的) economy develop at the same time,” said Charlie Dai, a principal analyst (首席分析师) of an American market research company.
As a whole, all the Chinese are 27_______ of their “Four New Great Inventions”.It is increasingly clear that China is innovating 28_______ than you can imagine. More and more foreigners hope to promote (促进) economic growth of their countries by learning from China’s innovation.
19. A. seemed B. appeared C. looked D. showed
20. A. when B. what C. why D. where
21. A. all B. both C. neither D. none
22. A. in B. on C. to D. from
23. A. improved B. finished C. invented D. wasted
24. A. information B. water C. electricity D. money
25. A. try B. lead C. win D. value
26. A. surely B. hardly C. nearly D. badly
27. A. proud B. tired C. bored D. satisfied
28. A. fast B. slow C. faster D. slower
六、短文填空
only, have, hard, minute, quick,over, forty, need, difference, sure
Hi! My name is Lin Tao. I live in Changsha, Hunan. Now I’m 29._________ lunch in a very special (特殊的) restaurant with my good friend from Zhengzhou, Henan.Do you want to know how special it is In this restaurant, there are 30._______ two kitchen helpers.
But every day there are 31.________ 800 people coming to eat in it. That’s because this restaurant has three robot cooks (机器人厨师).The robots can cook very 32._________. People can get their food in five 33.___________.
Li Zhiming is the inventor (发明者) of the robot cooks and the boss (老板) of the restaurant. He works very 34.___________.He is 35._______ years old this year. He says, “In my city, such a big restaurant 36._______ eight to ten cooks and kitchen helpers. But my restaurant is 37.___________. ”
Do you want to eat food made by robot cooks Please come and have a try. I am 38._______ you will like the food here.
参考答案:
一、remains;accidental;doubt;trade;boiled;
二、ruler;national;is called;popularity;smells
三、by accident;It is said that/ It’s said that;have taken place;Without doubt;People believe
四、ACWithout doubt; There is no doubt
五、DCABA DBAAC
六、having;only;over;quickly;minutes;hard;forty;needs;different;sure