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  Different from popular thoughts, colds are not caused by bad weather. Colds are caused by viruses(病毒) in the body, and you are better out on the snowy day than you are in a warm room, with your friends, who just may be passing the virus around. If you feel a chill(寒战) when you are coming down with a cold, you are already sick. A chill is an early sign of the cold.

  The virus can spread through air when a cold-sufferer(感冒患者) coughs or sneezes(打喷嚏). Surprisingly, this is not the most usual way of spreading. Many studies have now show that most colds are “caught” by hands. A cold-sufferer rubs her nose, so spreading the virus to her hand. Then a friend comes to visit her. They shake(握) their hands. The friend then gets something to eat by hand, and several days later she catches a cold. Although some parents pick up their children's tissues(纸巾) and carefully throw them away, they fail to wash their hands. They'll catch the colds, too.

  Cold viruses can also be spread by objects, for example, telephones, plates. The cold-sufferer as well as other members of the house, by washing their hands often, will stop the viruses from spreading in a way.

根据短文内容,选择最佳答案.

1.Colds are caused by ________.

[  ]

A.bad weather
B.viruses
C.chill
D.your friends

2.The word“spread” means ________.

[  ]

A.翻译
B.传统
C.传送
D.传播

3.Which of the following sentences is true in the passage?

[  ]

A.An early sign of the cold is viruses in the body.

B.The virus can't spread through air.

C.Objects can spread cold viruses, too.

D.Few colds are“caught” by hands.

4.People catch colds easily because they ________.

[  ]

A.rub their noses

B.shake their hands

C.pick up their children's tissues

D.can't often wash their hands

5.The passage mainly tells us that ________.

[  ]

A.washing hands is a way to keep us from catching colds

B.colds are caused by bad weather

C.the cold-sufferer shakes hands with her friends

D.we should stay in a warm room on the snowy day

答案:B;D;C;A;A
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科目:初中英语 来源:69领航·单元同步训练  八年级英语(EEC) 题型:050

阅读理解

  Every night the stars seem to move slowly round the sky in a great circle(圆周).But one star is dif-ferent from others.It looks as if it never moved.To us, it is always in exactly the same place all thetime.It is called the Pole Star(北极星).It is not a very bright star, but it is very important.Sailors use the Pole Star to find out where they are moving to.

  The amazing(令人惊奇的)thing is that the stars are all so far away.If you travelled in the space-ship for a hundred years you would still not reach the nearest star!

  A star is really a great ball of burning gas(燃烧的气体),like the sun.Some stars are much bigger than the sun, But they are all so far away from us that they just look like dots(圆点)of light.

  On the clearest night you can count about 2 000 stars.This may seem a lot, but with a telescope you can see many more.The better the telescope, the more stars you can see.Scientists tell us there are millions and millions of stars.No one know exactly how many there are.

根据短文内容选择最佳答案.

(1)

The stars ________.

[  ]

A.

are not moving all the time

B.

seem to move slowly

C.

are moving slowly round the earth

(2)

A star is ________.

[  ]

A.

a planet like the earth

B.

a ball of burning gas like the sun

C.

something called a“constellation(星座)”

(3)

The stars we see look like dots of light because ________.

[  ]

A.

they are not very big

B.

there are lots of light on stars

C.

they are very far away

(4)

How many stars are there?

[  ]

A.

Less than 2 000.

B.

No one knows exactly.

C.

Exactly 1 000 million.

(5)

The word“telescope”means ________.

[  ]

A.

放大镜

B.

望远镜

C.

显微镜

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