Question

Now satellites are helping to forecast（預(yù)報）the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere, because this is where the weather forms. They send these pictures to the weather stations. So meteorologists（氣象學家）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.

1.Satellites travel _____________.

A. in space                              B. in the atmosphere

C. above the ground                   D. above space

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

A. the weather satellites can do it easily          

B. clouds form there

C. the weather forms there                     

D. the pictures can forecast the weather

3.Meteorologists forecast the weather __________.

A. when they have received satellite pictures

B. after they have compared new satellite pictures with earlier ones

C. before they received satellite pictures

D. during they study satellite pictures

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 atmosphere           

B. receiving pictures of the atmosphere

C. doing other work in many ways             

D. weather forecasting

 

Answer 1

【答案】

 

1.A

2.C

3.B

4.D

5.D

【解析】

試題解析:本文大意：現(xiàn)在衛(wèi)星幫助預(yù)報天氣 ，它們在太空里，能接觸到世界的任一角落。衛(wèi)星拍大氣的照片，因為天氣是在那兒形成的。衛(wèi)星把照片發(fā)送到氣象站。從照片上，科學家們能判斷天氣會如何變化。如今，在六十個國家里有近五百個氣象站接收照片。接收到新照片，氣象學家們與之前的照片對比。現(xiàn)在氣象衛(wèi)星對預(yù)報3-5天的，也許不久的將來，他們可以能夠預(yù)測一周或更長時間的天氣。

1.細節(jié)理解題。根據(jù)They are in space它們在太空里，可知答案選D。

2.細節(jié)理解題。根據(jù)The satellites take pictures of the atmosphere, because this is where the weather forms. 衛(wèi)星拍大氣的照片，因為天氣是在那兒形成的，可知答案選C。

3.細節(jié)理解題。根據(jù)From the pictures, the scientists can often say how the weather will change.從照片上，科學家們能判斷天氣會如何變化，可知答案選B。

4.細節(jié)理解題。根據(jù) Soon, perhaps, they may be able to forecast the weather for a week or more ahead.也許不久，他們可以能夠預(yù)測一周或更長時間的天氣，可知答案選D。

5.主旨大意題。根據(jù)Now satellites are helping to forecast（預(yù)報）the weather.現(xiàn)在衛(wèi)星幫助預(yù)報天氣 ，可知答案選D.

考點：科普類短文閱讀。