题目内容

Sandstorms hit northwestern China's Gansu Province and North China's Inner Mongolia Autonomous Region on the first day this year. According to Sun Landong， a meteorologist with the Lanzhou Meteorology Observatory，visibility was less than 100 meters in Minqin， a Gansu county near Inner Mongolia， because of sand. When visibility drops to less than 1 kilometer，it is called a sandstorm. The sandstorm in Minqin blew up dust in neighboring towns， such as Baiyin， Wuwei， Jinchang and Lanzhou， the capital city of Gansu Province. Dust-laden winds also swept into Beijing. Brought by northwesterly blowing at more than 20 meters per second，dust first reached the capital's suburbs at 7 a. m，downtown areas at 9 a. m. The winds，which died down during the night，brought the temperature down to as low as 80C below zero and many flights put off their planned time from the city's airport.
It is quite rare for sandstorms，which are frequent between March and June，to happen in winter，when the earth is frozen. The sandstorms in Gansu and Inner Mongolia do not necessarily mean there will be more of them in the spring than last year，when they were serious，but Beijing is taking it very seriously. It is reported that Beijing will spend 6 billion yuan ( US 725 million) in preventing sandstorms in the capital and has already set up a special team to make sure what causes them.
【小题1】 What is the main idea of the passage?

A．Sandstorms took place in Gansu.

B．Sandstorms happened on the first day of the new year.

C．Sandstorms are very serious，compared to last year.

D．Experts are trying their best to determine the cause of the sandstorm formed this year.

【小题2】Suppose the dust was 300 kilometers away from Beijing， it would reach Beijing about
hours later if it travels at a speed of 20 meters per second?

A．4. 2

B．1. 5

C．2. 0

D．2. 5

【小题3】Why did sandstorms begin in the winter this year?

A．Because there was little snow this season.

B．Because a lot of trees have been cut down.

C．Because people took few measures to control them.

D．It is not mentioned in the passage.

【小题4】 Which of the following doesn't belong to the bad effect the sandstorms have do

ne in Beijing?

A．The temperature fell.	B．Flights put off their time to take off.
C．The air is dirty.	D．People had three days off.

【小题5】The author wrote the passage to .

A．tell us the environments are becoming worse and worse

B．explain what measures people have taken to control sandstorms

C．make people realize the need to protect the environment.

D．call on us to do what we can to save the earth

BADDC

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相关题目

　　Dear editor,

　　In the past my hometown was used to be beautiful place.　　　　　　　　　　　　 1．________

Thick trees and green grass could be seen in everywhere. In　　　　　　　　　　　　　　 2．________

order to build house and grow more crops, people cut down　　　　　　　　　　　　　　 3．________

more and more trees. With time went on, the whole forest was　　　　　　　　　　　　 4．________

almost destroyed. Gradually the green hills have changed into　　　　　　　　　　　　 5．________

wasteland. As a result, sandstorms struck us now and then, from　　　　　　　　　　 6．________

which we suffer a lot. However, I do hope all the people should　　　　　　　　　　　　 7．________

realize the terribly result of not caring about our environment.　　　　　　　　　　　　 8．________

What’s more, they should take good care of the forests and plant　　　　　　　　　　 9．________

trees instead cutting them down to improve our living conditions.　　　　　　　　　　 10．________

Those who have ______floods and sandstorms knows the importance of environmental protection.

A.gone over B.gone through C.got through D.got over

It is said that sandstorms will become more ________ as a result of global warming.

The city is believed over by sandstorms from AD200 to AD400.

A．to cover	B．to be covered
C．to have been covered	D．that was covered

After several days’ warm weather around the New Year’s Day，a strong cold wave with a sandstorm from Mongolia attacked Tianjin Sunday afternoon.
From 3 o’clock p.m.，the strong cold wave from Mongolia engulfed（吞没）most areas of North China and the biggest wind-force was 7.Tianjin also suffered this year’s first sandstorm with the cold wind whistling.The sky became dusky and the air was permeated with sand.By 11 o’clock at night，the wind became weaker and the sandstorm died down.From Monday morning，the northern areas had a big drop in temperature.It is learned that flu and the infection of the upper respiratory tract are easy to be infected due to the severe pollution by dust in the air.Relevant experts remind residents to pay attention to their health care.

1.
.The underlined word“permeated”most probably means______.
1. A.
  cleared
2. B.
  filled
3. C.
  blowing
4. D.
  replaced
2.
We learn that ______from the passage.
1. A.
  sandstorms result in the fall of temperature
2. B.
  we can easily get infected by the dusty air
3. C.
  it is usually warmer before sandstorms come
4. D.
  sandstorms usually come around the New Year’s Day

.The underlined word“permeated”most probably means______.

We learn that ______from the passage.

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