Exercise 1 of Unit 2 of 9B Welcome to the unit & Reading

答案略

一、词汇检测
1. Cars must be ___(测试)many times before they come to the market.
2. The temperature can drop to $ -10° \mathrm{C} $ in some ___(俄罗斯的)cities in winter.
3. Do you know that the TV set is one of the useful ___(发明)in the 20th century?
4. The novel describes the growth of a great ___(战斗者)who experienced wars.
5. Tome acted against Mother's ___ (命令)and made her angry.
6. The matter will not be over until f___ discussion of whys and hows.
7. Our plane will l___ in 20 minutes. Be prepared!
8. Tom took a s___ back and held the door open for the girl behind.
9. Nobody thought that Edison would be a great i___ when he was young.
10. It’s known to all that most of the s___ of the Earth is covered with water.

1. tested 2. Russian 3. inventions 4. fighter 5. order
6. further/final 7. land 8. step 9. inventor 10. surface

二、从方框中选择适当的单词或短语，在横线上填入其正确形式。每个单词或短语仅用一次
over use influence science in the future
The website of Nature picked the 10 most important people in the fields of environment, science, medicine and others. Halidou Tinto is one of them.
Halidou Tinto is a (1 ______ ) from Burkina Faso, Africa. In Africa, malaria(疟疾) influences around 200 million people and kills 5 million people every year. Children under 5 are especially (2 ______ ) by it. In 2007，Tinto，running a small clinic(诊所)in the countryside，helped get the world's first malaria vaccine(疫苗)into his country. The vaccine is (3 ______ ) but there are not enough of them.
(4 ______ ) the past four years, he has helped in the trial(试验)of a new vaccine R21. The new one works much better and will help many more people (5 ______ ) . The World Health Organization announced on December 21, 2023 that the R21 vaccine had been included in its list of certified(认证的)vaccines.

1. scientist 2. influenced 3. useful 4. Over 5. in the future

( ) 1.It's known to all that he was ___ explorer from ___ European country.

A.a; an
B.an; an
C.a; a
D.an; a

1. D

( ) 2.— Have you heard "A thousand-li journey begins with the first ___"?
— Yes. It's a famous Chinese saying by Laozi.

A.class
B.step
C.break
D.exam

2. B

( ) 3.— We watch "Craftsmen(工匠)of the Nation" on CCTV every week.
— I think the craftsmen are great. I'm ___ what they've done for our country.

A.strict with
B.worried about
C.proud of
D.famous for

3. C

( ) 4.There used to be a ___ in the number of births in America after the war ended.
All the people were looking forward to having a family at that time.

A.drop
B.development
C.leap
D.control

4. C

( ) 5.— Through 5G, people in different cities can even "shake hands" on the same screen.
— ___

A.What a mess!
B.Don't mention it.
C.So wonderful!
D.With pleasure.

5. C