内容正文:
九年级英语上册Unit5知识点-Grammar Focus语法练习
小试牛刀
A. 选用方框中动词的正确形式填空(每个限用一次)
invent connect introduce press find
1. The telephone ____________________ by Alexander Bell in 1876.
2. People all over the world ____________________ to each other through the internet.
3. The word “robot” ____________________ for the first time in a play in 1920.
4. A loud noise was made when the button ____________________ to start the machine.
5. The world’s oldest wheel ____________________ in Eastern Europe.
B. 句型转换(将下列句子改为被动语态)
1. Alexander Bell invented the telephone in 1876.
→ The telephone ____________________ by Alexander Bell in 1876.
2. People use mobile phones to communicate.
→ Mobile phones ____________________ to communicate.
3. The 3D printer built up the object layer by layer.
→ The object ____________________ up by the 3D printer layer by layer.
配套练习
A. 单项选择(★)
从A、B、C、D中选择最佳答案。
1. The telephone ______ in 1876.
A. invent
B. invented
C. was invented
D. is invented
2. In the sentence “A mini-camera is connected to the glasses.”, the verb is in ______ voice.
A. active
B. passive
C. past
D. future
3. “Oil and salt are added by the machine.” means the machine ______ the oil and salt.
A. adds
B. is added
C. was added
D. adding
4. The Qinghai–Xizang Railway ______ in 2006.
A. complete
B. completed
C. was completed
D. is completed
5. Which sentence is in the passive voice?
A. I ate an apple.
B. An apple was eaten by me.
C. I eat an apple.
D. I will eat an apple.
B. 完成句子(★★)
用括号内动词的正确形式填空(注意被动语态)。
1. The radio ______________ (invent) by Marconi in the 1890s.
2. A message ______________ (send) across the Atlantic in 1901.
3. Toys and houses can ______________ (make) by a 3D printer.
4. The top layer of frozen ground ______________ (melt) in summer, so pipes ______________ (use) to keep it hard.
5. Bridges ______________ (build) to allow animals to pass under the tracks.
拓展思考
写一段话(至少4句)介绍一项发明的诞生。使用至少两个被动语态的句子。例如:The telephone was invented by Alexander Bell. It was first used in 1876.
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
参考答案与解析
小试牛刀 A
1. was invented
2. are connected
3. was introduced
4. was pressed
5. was found
小试牛刀 B
1. was invented
2. are used
3. was built
配套练习 A
1. C
2. B
3. A
4. C
5. B
配套练习 B
1. was invented
2. was sent
3. be made
4. melted, were used
5. were built
拓展思考(示例)
The paper was invented by Cai Lun in ancient China. It was made from tree bark, rags and fishing nets. Then, the paper was used for writing and drawing. Later, papermaking technology was spread to other countries. It changed the world greatly.
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