Unit 6 When was it invented? 第二课时Section A (3a-3c) 分层作业（含答案）

Unit 6 When was it invented
第二课时Section A (3a-3c)
基础训练
Ⅰ. 根据首字母或汉语意思补全单词
1. Don’t forget to _____(锁) the door when you leave the house, or the thief (小偷) may get in.
2. There is usually t_____ between neighboring countries, for example China and Russia.
3. After several years, my aunt still r________ very young. She is just like my cousin.
4. You needn’t t_____ all the sentences into Chinese when you learn English.
5. Lucy had some ________ (饼干) and a glass of milk for breakfast.
Ⅱ. 用括号中所给单词的适当形式完成下列句子
1. It is ________ (believe) that aliens live in some places far from the earth.
2. We can’t finish the work ________ (with) your help.
3. As we know, October 1st is ________ (nation) Day in China.
4. The country was without a ________ (rule) after a big war.
5. Teachers are worried about the ______(popular) of mobile phones among the students.
Ⅲ. 单项选择
( ) 1. —What’s the matter
—He hurt his fingers ________ while cutting vegetables.
A. by accident B. by mistake C. in time D. on time
( )2. —When ____ the mobile phone ____
－Around 1973.
A. does; invent B. is; invented C. did; invent D. was; invented
( )3. He is an honest boy. I have no reason to ________ what he said.
A. hear B. doubt C. repeat D. believe
( )4. —Why did you leave that position
—I ______ a better position in another factory.
A. offer B. offered C. am offered D. was offered
( )5. The cheese cake ________ so good that I can’t wait to eat it.
A. tastes B. feels C. sounds D. smells
Ⅳ. 根据汉语意思完成句子，每空一词
1. 据说他是我们学校最好的老师之一。
______ _____ ______ that he is one of the best teachers in our school.
2. 近四十年来，中国发生了巨大的变化。
Great changes have ______ ______ in China in the past forty years.
3. 这个气球掉入水里，留在了那里。
The balloon ________ ________ the water and remained there.
4. 我的朋友爬山时，意外地摔了胳膊。
My friend broke his arm ________ ________ when he was climbing the mountain.
5. 毫无疑问，你越努力，就越幸运。
________ ________, the harder you work, the luckier you will be.
能力提升
Ⅰ. 从方框中选择适当的词并用其正确的形式填空
important, time, way, also, idea, make, country, thing, usual, serve
Tea is a popular drink around the world. But tea does not mean the same 1. _____ to everyone. In different countries people have different 2. _______ about drinking tea.
In China, for example, tea is always 3. ______ when people get together. The Chinese drink it at any 4. _____ of the day at home or in the teahouse. They prefer their tea with nothing else in it.
Tea is also 5._____ in Japan. The Japanese have a special way of serving tea. It is very old and full of meanings. Everything must be done in a special 6. _____. There is even a special room for it in Japan.
Another tea drinking 7. _____ is Britain. In Britain, the late afternoon is “teatime”. Almost everyone has a cup of tea at that time. The British people 8. ________ make tea in a teapot and drink it with milk and sugar. They 9. ______ eat cakes, cookies and little sandwiches at teatime.
In the United States people drink tea mostly for breakfast or after meals. Americans usually use tea bags 10._______ their tea. Tea bags are faster and easier than making tea in teapots. In summer, many Americans drink cold tea—“iced tea”.
Ⅱ. 完形填空
Let’s look at two old but popular inventions we use in our daily lives.
Band-aids (创可贴)
The first band-aid was ____1____ by American Earle Dickson in 1921. He came up with the ____2____ by chance. Dickson’s wife Josephine often cut ____3____ fingers when she was cooking. At that time gauze (纱布) and adhesive tape (胶带) didn’t stick together, people had to cut them to the right ____4____. Dickson found they were ____5____ too big and soon fell off. So he put a piece of gauze on the center of a piece of adhesive tape. This is ____6____ he invented the first band-aid.
Bubble gum (泡泡糖)
Bubble gum was invented ____7____ accident. In 1928, Walter E. Diemer played around (摆弄) with new chewing gum recipes (食谱). He ____8____ that the gum he made was less sticky (粘的) and easier to stretch (伸展). He blew a bubble and then saw the possibility that people would buy his new gum. He took some of his new gum to a shop and it was ____9____ in a single afternoon. Most of kids liked blowing bubble gum. ____10____ these inventions are small, they are useful and interesting.
( )1. A. discovered B. invented C. mentioned D. traded
( )2. A. result B. list C. idea D. style
( )3. A. her B. his C. my D. your
( )4. A. answers B. directions C. places D. sizes
( )5. A. never B. always C. hardly D. seldom
( )6. A. who B. what C. how D. when
( )7. A. for B. with C. by D. in
( )8. A. translated B. found C. forgot D. smelt
( )9. A. took place B. found out C. sold out D. looked out
( )10. A. Because B. If C. Since D. Although
巩固拓展
你能讲一下你所感兴趣的一种发明吗？（英语）
参考答案
基础训练
Ⅰ. 1. lock 2. trade 3. remains 4. translate 5. biscuits
Ⅱ. 1. believed 2. without 3. national 4. ruler 5. popularity
Ⅲ. 1-5 ADBDD
Ⅳ. 1. It is said 2. taken place 3. fell into 4. by accident 5. Without doubt
能力提升
Ⅰ. 1. thing 2. ideas 3. served 4. time 5. important
6. way 7. country 8. usually 9. also 10. to make
Ⅱ. 1-5 BCADB 6-10 CCBCD
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