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  Different weather makes people feel different.It influences health, intelligence(智力)and feelings.In August, it is very hot and wet in the southern part of the United States.People there have heart trouble and other kinds of health problems during this month.In the northeast and the middle west, it is very hot sometimes and very cold sometimes.People in these states have more heart trouble after the weather changes in February or March.

  The weather can also influence intelligence.For example, in a 1983 study by scientists showed that the IQ of a group of students was very high when a very strong wind came, but after the strong wind, their IQ was 10% lower.The wind can help people have more intelligence.Very hot weather, on the other hand, can make it lower.Students in many schools of the United States often do worse on exams in the hot months of the year(July and August).

  Weather also has a strong influence on people’s feelings.Winter may be a bad time for thin people.They usually feel cold these months.They might feel unhappy during cold weather.But big people may have a hard time in hot summer.At about 18℃, people become stronger.

  Low air pressure(气压)may make people forgetful.People leave more bags on buses and in shops on low-pressure days.There is “good weather” for work and health.People feel best at a temperature of about 18℃.

  Are you feeling sad, tired, forgetful, or unhappy today? It may be the weather’s fault.

(1)

________ can have a bad effect on health.

[  ]

A.

Hot and wet weather

B.

Good weather

C.

Warm weather

D.

High intelligence

(2)

People may have more intelligence when ________ comes.

[  ]

A.

a rain

B.

very hot weather

C.

a wind

D.

low air pressure

(3)

Low air pressure may make people ________.

[  ]

A.

forgetful

B.

sad

C.

angry

D.

tired

(4)

In “good weather ”of 18℃, ________.

[  ]

A.

people are very forgetful

B.

people can’t do their work well

C.

thin people feel cold

D.

people are in better health

答案:1.A;2.C;3.A;4.D;
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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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