Man has invented four kinds of satellites (卫星). The first kind of satellite studies the 31 of the earth. They are used to make maps. They also help countries to see where they may 32 oil or gold.

The second kind of satellite is used to guide ships and planes. A ship or a plane can 33 a message to the satellite, and the satellite can find out 34 the ship or the plane is.

The third kind studies the weather. These satellites 35 clouds and strong winds moving across the earth. They warn countries to make preparations (准备) when very 36 weather is coming. 　37 kind is used for communication. Telephone calls 38 countries can be sent by these satellites. Some can carry hundreds of calls at the same time. The call is sent to the satellite, then the 39 sends it to a station in the country and this country is being phoned. These satellites also carry pictures; they can receive and send about eight 40 at a time.

（　　）31. A. biology　　　　 B. history　　 　 C. physics　　 D. geography

（　　）32. A. study　　　 　 B. find　　　　 C. carry　　　　　 D. choose

（　　）33. A. write　　　　　 B. send　　　　 C. take　　 　 D. bring

（　　）34. A. where　　　　　 B. which　　　 　 C. what　　　　 D. that

（　　）35. A. search　　　　　 B. watch　　　　　 C. notice　　　　　 D. see

（　　）36. A. sunny　　　　　 B. cool　　　　 C. fine　　 　 D. bad

（　　）37. A. The last　　　　 B. Another　　 C. One　　 　 D. Any other

（　　）38. A. during　　　　　 B. along　　　　　 C. between　　 D. of

（　　）39. A. TV　　　　　　　 B. telegraph　　　 C. telephone　　　 D. satellite

（　　）40. A. plays　　　　　 B. programs 　 C. films　　　　　 D. object

The umbrella is a very common object. It keeps the 　31 and the sun off the people. Most umbrellas can be folded up so it is 　32 to carry them.

However, the umbrella has not always been as 　33 as it is now. In the past, it was a symbol（标志）of importance. Some African countries still use umbrella in this 　34.

Someone carries an umbrella and walks behind the king or important person.

Umbrellas are very old. People in different parts of the world began to 　35 umbrellas at different times. The Chinese had them more than 3,000 years ago. From then on, umbrellas 　36 to India and Egypt. In Greece and Rome, 　　37 wouldn’t use them. They believe umbrellas were only for women.

England was 　38 the first country in Europe where common people used umbrellas against rain. The weather there is very 　39 and umbrellas are very useful.

Everybody uses umbrellas today. The next time you 　40 one, thinking that for centuries only great men and women used them, you’ll feel you are important people, too.

(　　 )31. A. rain　　　　　 B. cloud　　　　　 C. air　　　　　　 D. water

(　　 )32. A. lovely　　　　 B. cheap　　　　　 C. hard　　　　　 D. easy

(　　 )33. A. light　　　　 B. heavy　　　　　 C. common　　　　 D. special

(　　 ) 34. A. way　　　　 B. size　　　　 C. reason　　　　　　 D. place

(　　 ) 35. A. discover　　　 B. use　　　　 C. examine 　　　　　D. discuss

(　　 ) 36 A. walked　　　 B. travelled　　 C. rode　　　　　　　 D. flew

(　　 ) 37. A. children　　　 B. parents　　 C. men　　　　　　　 D. women

(　　 ) 38. A. probably　　 B. already　　　 C. suddenly　　　　　 D. immediately

(　　 ) 39. A. sunny　　　　 B. rainy　　　 C. snowy　　　　　　 D. windy

(　　 ) 40. A. sell　　　　　 B. return　　　 C. borrow　　　　　 D. carry

“What’s the weather like today?”  “It’s __________.”

A. sunny　　   B. Sunday　　 C. June 23　　  D. seven o’clock

 

　 When you look at clouds,you will notice that there are many

different kinds.Some clouds are high and thin,some are white and

fluffy(蓬松的)

and others look dark and heavy.

　　 There are four kinds of clouds,They are high clouds,middle

clouds,low clouds,and clouds that grow vertically(垂直的）.And

that clouds in these four groups are name for the way they look.

　　 Cirrus clouds are high clouds that are more than 5kilometers above earth.Cirrus clouds look like curly hair,and the word cirrus just means "curl of hair".Some high clouds that look like layers(层）are called cirrostratus clouds.The word stratus means "layer".

　　 About 3 to 6.5 kilometers above earth are the middle clouds.Altostratus clouds are light gray,and Altocumulus clouds are very fluffy.Another cloud that sometimes can be a middle clouds is Nimbostratus cloud.Nimbo comes from the word nimbus,which means "heavy rain".These clouds make a gray layer from which rain and snow falls.

　　 The low clouds are no higher than about 1.6 kilometers above earth.Two kinds of clouds are often found here.Stratocumulus clouds are light and dark.Stratus clouds are very low.

　　 The fourth group of clouds grows vertically.These clouds have a base near the ground but rise to a great height.Cumulus clouds can grow up on top of one another.When they grow up high, they are called cumulonimbus clouds.These clouds can rise as high as 18 kilometers.

71. We learn from the passage many names of clouds,and all of them belong to _____groups.

A. two　　　　　　　　　 B.four　　　　　　　 C.six

72. Cirrus clouds and Cirrostratus clouds are given the names by what they______.

A. are used for　　　　　　 B.are made from　　 C.look like

73. It is going to be ______when we see Nimbostratus clouds in the sky.

A. sunny　　　　　　　　 B.windy　　　　　　 C.rainy

74. Clouds that grow vertically rise into the sky in the way of that Picture______shows.

75.Which of the following statements is TRUE?

A. We know the clouds that are more than 3 kilometers above earth are called high clouds.

B. Clouds are divided into four groups according to how fat they're away from earth.

C.According to this passage, we know clouds that grow vertically all stay very high in the sky.