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Germs(细菌) are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air!
Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.
Warmer Weather Brings Germs
The world’s weather is changing. Cooler countries are getting warmer, so insects from hot countries can move there. Some of these insects, like mosquitoes(蚊子), carry dangerous germs. These germs cause headaches(头疼), fever, and can even kill people.
Under Your Skin
Your skin protects you from germs. It stops some germs, but not all. They can enter your body when you eat, or when you have a cut. Germs are on your hands, too, they enter(进入) your body when you touch your eyes, nose, or mouse.
Fighting Germs
Your immune system(免疫系统) protects you, too. When germs get inside your body, your immune system finds and kills them. Special cells(细胞) move around your body and fight germs. They help you stay healthy. Other cells make antibodies. Antibodies help your body find and stop germs.
What can you do to fight germs? You should wash your hands with soap(肥皂) and water. Soap kills many germs, and water washes them away.
【小题1】According to the text, insects ___________.

A.kill germsB.carry germs
C.protect germsD.love germs
【小题2】The underlined word “there” refers to _______.
A.cooler countriesB.hot countries
C.everywhereD.the world
【小题3】What do antibodies do?   
A.They kill germs and wash them away.
B.They find and develop germs.
C.They help protect us from germs.
D.They carry dangerous germs.
【小题4】Which can be the best title for this text?  
A.Germs Are Everywhere
B.Weather Is Changing
C.Skin Stops Germs
D.Germs Are Developed


【小题1】B
【小题2】A
【小题3】C
【小题4】A

解析【小题1】根据文章内容Some of these insects, like mosquitoes(蚊子), carry dangerous germs.可知答案为B
【小题2】根据文章内容Cooler countries are getting warmer, so insects from hot countries can move there.可知答案为A
【小题3】根据文章内容Other cells make antibodies. Antibodies help your body find and stop germs可知答案为C
【小题4】根据文章内容大意可知答案为A

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Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.
Warmer Weather Brings Germs
The world’s weather is changing. Cooler countries are getting warmer, so insects from hot countries can move there. Some of these insects, like mosquitoes, carry dangerous germs. These germs cause headaches, fever, and can even kill people.
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【小题1】According to the text, insects ______.
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Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.

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Under Your Skin

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What can you do to fight germs? You should wash your hands with soap(肥皂) and water. Soap kills many germs, and water washes them away.

1.According to the text, insects ___________.

A.kill germs

B.carry germs

C.protect germs

D.love germs

2.The underlined word “there” refers to _______.

A.cooler countries

B.hot countries

C.everywhere

D.the world

3.What do antibodies do?   

A.They kill germs and wash them away.

B.They find and develop germs.

C.They help protect us from germs.

D.They carry dangerous germs.

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A.Germs Are Everywhere

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D.Germs Are Developed

 

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