Unit 5 Power of Ideas section A 词汇基础巩固练习2026-2027学年人教版英语九年级上册

Unit 5 Power of Ideas

Section A  What changes can inventions bring to our lives?

词汇基础练习

一、单词英译中

1. camera  n.                                2. laptop  n．                   

3. super  adj．                               4. sunglasses  n.                 

5. mini-  prefix．                             6.button  n．                   

7. file  n．                                  8. plastic  n.          /adj.       

9. suppose  v．                              10. wheel  n．                  

11. layer  n．                                12. gain  v．                   

13. pipe  n．                                14. tunnel  n．                  

二、词性转换

1.            v.发明,编造→____________n.发明，创造→____________n.发明家
2.          pron.它（主格）→________（宾格）→___________（物主代词）→_______________（反身代词）
3. _____________v.生产，繁育→_____________n.产品→____________n.生产，制作
4.                v.打印，印制→________________n.打印机，印刷公司
5.            v.（使）冻结，结冰→___________（过去式）→___________（过去分词）/adj.冻硬的，冰封的→________________adj.极冷的
6.           v.（使）融化，逐渐消失→___________（过去式）→___________（过去分词）
7.                v.完成，结束/adj.完全的，彻底的→________________adv.完全地
8.                adj.经济（学）的→________________n.经济，经济学
9.              v./n.旅游→________________n.游客→________________n.旅游业

三、重点短语

一副，一双                              数百，许多，大量                            

被用于，被用来做.....                      第一次                                

It’s believed that                          be connected to                        

high-speed train                           all over the world                               

economic development                     in the 1890s                             

have an effect on                          be supposed to do/be sth                   

四、用括号内单词的适当形式填空

1．Vivian asked the teacher how to use the            (print) to print her homework clearly.

2．The book is so interesting that it can hold children’s attention by            (it) easily.

3．We are supposed            (arrive) at school before eight o’clock every weekday morning.

4．The farmers work hard in the fields every day          (produce) enough food for us to eat.

5．Paper               (invent) by Cai Lun about 2,000 years ago, and this great              (invent) helped spread knowledge widely and led to the rapid spread of education.

6．Judy spent a long time sorting all the            (file) on her computer so that she could find information quickly.

7．We should put the            （freeze）meat in the fridge to keep it fresh for a longer time.

8．There are             （hundred）of different kinds of books in our school library for us to borrow and read.

9．The little boy felt very surprised and curious when the hot water          （melt）the sugar.

10．The little girl worked hard to practise running and finally            （gain）first prize in the race.

五、用方框中所给单词的正确形式填空

A

1．The scientist uses his knowledge to help factories to             better cars.

2．One of the              came off when I was washing my coat.

3．The             is a super tool. We can use it to take photos.

4．That              went dead suddenly. As a result,I couldn't finish my work on time.

5．The four great                 of ancient China have changed the world a lot so far.

6．The sun shines brightly there. You'd better take your                .

7．To protect the environment,we can stop using too many               in our daily lives.

8．This kind of scarf is made           silk, so it feels very soft.

B