《八年级英语上册期末考点大串讲（外研版）》专题09 CD篇阅读专练（解析版)

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CD 篇阅读专练

一

Now satellites are helping to forecast(预报) the weather. They are in space, and they can reach any part of the

world. The satellites take pictures of the atmosphere( 大气), because this is where the weather forms( 形成).They

send these pictures to the weather stations. So meteorologists( 气象学家) can see the weather of any part of the

world. From the pictures, the scientists can often say how the weather will change.

Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new

pictures, the meteorologists compare them with earlier ones. Perhaps they may find that the clouds have changed

during the last few hours. This may mean that the weather on the ground may soon change, too. In their next

weather forecast, the meteorologists can say this.

So the weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists

could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon,

perhaps, they may be able to forecast the weather for a week or more ahead (提前).

1. Satellites travel .

A. in space B. above space

C. above the ground D. in the atmosphere

2. Why do we use the weather satellites to take pictures of the atmosphere? Because .

A. clouds form there

B. the weather forms there

C. the weather satellites can do it easily

D. the pictures can forecast the weather

3. Meteorologists forecast the weather .

A. without studying satellite pictures

B. before they receive satellite pictures

C. when they have received satellite pictures

D. after they have compared the new satellite pictures with the earlier ones

4. Maybe we’ll soon be able to forecast the weather for .

A. one day B. two days

C. five days D. seven days or even longer

5. The main idea of this passage is that satellites are now used in .

A. taking pictures of the earth B. receiving pictures of the atmosphere

C. weather forecasting D. doing other work in many ways

1.【答案】A

【解析】由第一段的第二句“They are in space...”可知，卫星是在太空中环行，故选A。

2.【答案】B

【解析】由第一段的第三句“The satellites take pictures of the atmosphere ( 大气), because this is where the

weather forms (形成).”可知答案。

3.【答案】D

【解析】由第二段的第二句可知，当气象学家收到新的图片后，与较早些的图片进行比较来预报天气，故

选D。

4.【答案】D

【解析】由第三段的最后一句“Soon, perhaps, they may be able to forecast the weather for a week or more ahead

(提前).”可知，将来我们也许能够预报一个星期或更长时间的天气，故选D。

5.【答案】C

【解析】由短文第一段的第一句话以及通读全篇可知，本文介绍卫星在天气预报中的运用，故选C。

二

There are about 7 billion people on the Earth now. The world’s population is a big problem because it will

cause lots of problems in the future. More people will need more food and will need more room to live in as well.

The world’s population growth rate rose from about 1.5 percent per year during 1950-1951 to over 2 percent in

the early 1960s. Although the growth rate thereafter started to fall due to (由于) people getting married later as well

as the development of technology, the rate is on the rise again now.

The important thing is not how large the population of the world is, but how fast the rate increases. The world

population increased from 3 billion in 1959 to 6 billion by 1999.The world population will grow from 6 billion in

1999 to 9 billion by 2050. This great growth of the population will create a big problem by the year 2100—there

will be over 10 billion people in the world then.

1. The population of the world is about now and may be over by 2100.

A.7 billion; 10 billion B .7 million; 10 million

C.6 billion; 10 billion D.6 billion; 9 million

2. What does the underlined word “thereafter” refer to?

A. Before the 1960s. B. After the late 1960s.

C. After the early 1960s. D. Before the late 1960s.

3. According to the passage, the growth of the population was the fastest in the .

A. early 1950s B. early 1960s C. late 1950s D. late 1960s

4. From the passage we know that .

A. the world’s population is becoming smaller

B. the world’s population is increasing

C. the world’s population growth rate won’t change

D. the world’s population growth rate has been rising since the 1950s

5. What’s the best title for this passage?

A. More Food and Less Room

B. A New Problem

C. We Should Feed Many People

D. The Growth of the Population

1. 【答案】A

【解析】由文中第一段的第一句“There are about 7 billion people on the Earth now.”和第三段中的“This great

growth of the population will create a big problem by the year 2100—there will be over 10 billion people in the

world then.”可知答案。

2.【答案】C

【解析】由第二段的第一句话可知在20世纪50到60年代初人口增长率在上升。由第二段的第二句可推知

thereafter是指“在20世纪60年代初之后”。

3.【答案】B

【解析】由第二段可知在20世纪60年代初人口增长速度最快。

4.【答案】B

【解析】由第三段的第一句“The important thing is not how large the population of the world is, but how fast the

rate increases.”可知世界人口在持续增长。

5.【答案】D

【解析】文章讲述的是世界人口增长的有关情况，故选D。

三

阅读理解

Fire can help people in many ways.But it can be very dangerous.Fire can heat water,warm houses,give light

and cook.But fire can burn things,too.It can burn trees,houses,animals or people.Sometimes big fire can burn

forests.

Nobody knows for sure how people began to use fire.But there are many interesting stories about the first time

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