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  • 更新 2022-09-04
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Science and technology can be seen everywhere.They are making our life more convenient and comfortable.Some scientists recently added amazing ideas to four common things and made great changes to them.

It's not just a phone

   China has taken the leading place in several scientific fields.In February,2019,Huawei introduced Mate X,the first 5G phone that can be folded in the world.It allows users to read e﹣books or watch movies on a larger screen.The Mate X supports 5G.It means you can get a movie from the Internet about 100 times faster than using 4G.

They are not just chopsticks

   Scientists at an American university have invented a pair of electronic chopsticks that can change the taste of food.When you put the chopsticks in your mouth,they can make you feel the taste becomes better,such as making sweet food taste sweeter or salty food less salty.Soon the scientists are going to try their technology on bottles,cups and spoons.

It's not just a sticker

   It's said that about 52%of the fruits of the earth go bad before reaching the buyers.Scientists from Malaysia thought of a simple way to solve the problem﹣tiny stickers(小粘贴)that are made out of some natural materials.Put the stickers on fruits,and the fruits can keep fresh up to two weeks.

They are not just shoes

   Every step you take is helping cut down air pollution.This is not in science fiction.A team from Europe has invented such a pair of shoes.The shoes can take in dirty air and send out clean air.If you wear the shoes and walk one kilometer,the shoes can clean the air polluted by eight cars.

根据短文内容,选择最佳答案.

(1)The first 5G phone that can be folded in the world is from   

A.

China

B.

Germany

C.

Malaysia

D.

America

(2)If you think today's dish is too sally,you can use   mentioned in the passage.

A.

the spoons

B.

the cups

C.

the chopsticks

D.

the bottles

(3)The tiny stickers made by Malaysian scientists can keep fruits fresh up to   

A.

2 weeks

B.

4 weeks

C.

5 weeks

D.

8 weeks

(4)In the passage,the shoes invented by the team from Europe can   

A.

send out dirty air

B.

take in dirty air

C.

wash our feet

D.

make noise pollution

(5)The passage is mainly about   

A.

the changes of mobile phones

B.

the importance of living a healthy life

C.

the way to keep fruits fresh for a longer time

D.

the development of science and technology

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