内容正文:
Unit 5 Power of Ideas
Grammar Focus
2
练语法
目 录
练基础
练提升
3
语法归纳 被动语态(1)
一、定义
被动语态表示句子的主语是动作的承受者或者主语是动作的作用对象,由“助动词be+及物动词的过去分词”构成。助动词be有人称、数和时态的变化。
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二、一般现在时、一般过去时和含情态动词的被动语态的句式
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三、主动语态变被动语态的步骤
1. 确定主动语态中的主语、谓语和宾语。
2. 将主动语态中的宾语变为被动语态中的主语。
3. 将主动语态中的谓语变成被动结构,时态不变。
4. 将主动语态中的主语放在介词by之后。
注意:1. 许多由不及物动词和介词、副词构成的短语动词相当于及物动词,也可以变为被动语态。但短语动词若是一个不可分割的整体,在变为被动语态时,不可丢掉构成短语动词的介词或副词。
2. 有些感官动词(see、hear、feel等)或使役动词(make、let等)在主动语态中,用不带to的不定式作宾语补足语,但在被动语态中to不可省略(let除外)。
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练语法
一、用括号内所给单词的适当形式填空
1. [科技创新]Tilly Norwood, the first AI actress, ___________(create) in May 2025.
2. [环境保护]Plastic bags shouldn’t ________(use) because they are not good for the environment.
3. Today’s work must ________(do) today.
4. The worker was made ________(finish) the task.
5. [地域特色]Yujin(豫锦) ________(see) as a symbol of the rich culture in Henan.
was created
be used
be done
to finish
is seen
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二、按要求完成句子,每空一词
6. People use smartphones for online payments every day.(变为被动语态)
Smartphones ________ ________ for online payments by people every day.
7. We heard a group of girls sing in the next room last night.(变为被动语态)
A group of girls ________ ________ ________ sing in the next room last night.
8. She took good care of these elderly people.(变为被动语态)
These elderly people ________ ________ ________ ________ ________ by ________.
are
used
were
heard
to
were
taken
good
care
of
her
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9. It can be used for cooking dishes.(对画线部分提问)
________ ________ it ________ used for?
10. The school gave free textbooks to mountain kids last term.(变为被动语态的一般疑问句)
________ free textbooks ________ ________ mountain kids by the school last term?
What
can
be
Were
given
to
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[微语段] Have you ever wondered what happens to your old mobile phone?The good news is that many used phones 11. ___________(collect) for recycling every day. However, in the past, they 12. ___________(throw) away with daily waste or left in drawers quite often. Actually, these old phones should 13. _________(treat) with care because they contain(包含) valuable materials. So people 14. ______________ (encourage) to bring them to special recycling points. There, useful materials can 15. ________ (take) out and made into new products. By doing this, we help to protect our Earth.
三、用括号内所给单词的适当形式完成短文
are collected
were thrown
be treated
are encouraged
be taken
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16. We’re not ________ to walk on the grass.
17. Look! The ice is ________. It will turn into water very soon because of the high temperature.
18. It is a toy car for young children, and it has four ________.
19. [热点时事]Construction(施工) of the world’s tallest bridge, Huajiang Grand Canyon Bridge, has now been successfully __________.
20. This train passed through three ________ this morning.
四、用方框内所给单词的适当形式填空
supposed
melting
wheels
completed
练基础
tunnels
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五、语篇填空
阅读短文,从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整。每空限填一词,每词限用一次。
练提升
As we all know, winter in Harbin is cold but beautiful. Its beautiful ice and snow scenery has 21. ________ much attention recently. Many people travel there, which leads to increased ice and snow 22. ________ in the area. When people go out, they usually wear several 23. ________ of clothes. Hands in cold weather can
gained
tourism
layers
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easily get 24. ________. Today, we have many modern hand warmers to keep warm. But do you know there were also hand warmers in ancient China?
One story says Emperor Yang of the Sui Dynasty visited Jiangsu in a very cold winter. Workers were asked to make a small warmer for 25. ________ to hold in his hands. That was how the hand warmer was 26. ________. By the Song Dynasty, it was 27. ________ to see the tool. Skills in making the tool were
28. ________ developed during the Ming and Qing dynasties.
frozen
him
created
common
greatly
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Many books recorded people using hand warmers. A Dream of Red Mansions, which is famous all 29. ________ the world, also described the use of hand warmers by its main characters. 30. ________ they aren’t used much today, they are still a great symbol of wisdom in ancient Chinese culture.
over
Although
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