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21英语教师网 > 备课资源 > 拓展阅读 > 正文
Who can tell us the weather?
作者:21ST    来源:初中版第73期    日期: 2010-12-14
外研版初二年级:The weather

关键词:The wettest place

话题归类:天气Weather



你知道气象学家是怎样预测天气的吗?


IS there going to be a sandstorm again in Beijing this spring?

Who knows the answer? Meteorologists (气象学家) — scientists who study the weather.

On World Meteorological Day (世界气象日), March 23, weather stations around China opened to the public. And meteorologists there answered people's questions about weather change.

So how can meteorologists forecast (预报) the weather?

"We get a lot of help from weather satellites (卫星)," said Lu Juntian, a meteorologist at the China Meteorological Centre.

The satellites take a lot of pictures of the sky. Then, they send these pictures back to Earth. Meteorologists can make a forecast by studying those pictures.

"We may find that the clouds have changed during the last few hours. This may mean that the weather on the ground may change soon, too. In the next weather forecast, the weatherman on TV can say this," said Lu.

Scientists in China also use about 2,000 weather stations on the ground, on ships and on planes to collect information about temperature, wind and so on.

Meteorologists can forecast up to seven days with the help of satellites. But sometimes the forecast can be wrong because weather conditions (情况) keep changing.

阅读训练

Who can tell us the weather?

1. What do scientists usually do about the weather?

A. take pictures

B. study and forecast the weather

C. show on TV

D. make satellites

2. Where can the weather stations be built?

A. on the ground

B. on ships

C. on planes

D. all of these

3. Which of the following is not right?

A. Meteorologists use weather stations to collect information.

B. There are about 2,000 satellites in China.

C. Weather forecasts can be wrong.

D. Satellites help people a lot in weather forecasts.

4. According to the story, weather forecasts can be wrong because ____.

A. meteorologists are not clever enough

B. there's trouble with weather stations

C. changing weather conditions make it really hard to give correct forecasts

D. satellites are not sending back pictures

Key: B D B C

HELP
sandstorm n. 沙尘暴
cloud n. 云
ground n. 地面



关键词:外研版 初二 The weather 天气Weather



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