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Everyone tries to get to school on time. But when the weather is bad, can you still make it before the bell rings?
Sandstorms usually happen in spring. In some countries like Mongolia, big sandstorms often bring problems to students and everyone else. When the sky is dark with sand, buses and cars all move much more slowly.
People in southern areas don’t have to worry about this kind of bad weather. In northern areas, many places only have a few trees and don’t get much rain. When people there cut down too many trees, things get worse. When there aren’t many trees, the ground can’t keep enough water. Over the years, the ground dries up and turns to sand. When spring comes and the ice melts, the ground becomes looser (更松散的). Strong winds take the loose sand into the sky.
Sandstorms are bad for people’s health. If people breathe too much sand, they may cough a lot. Sandstorms also bring farmers lots of problems. Sometimes their sheep get lost in the storms and never get back home. The winds also break farmers’ houses.
What can you do to stop sandstorms? Here’s an idea: volunteer to plant some trees this spring. What’s more, if you see people cutting down too many trees, tell them about the danger of sandstorms.
(
A. In spring. B. In summer.
C. In autumn. D. In winter.
(
A. Fewer trees. B. Looser ground.
C. Strong winds. D. Heavy rains.
(
A. Ask people to cut down more trees.
B. Plant trees with the help of parents.
C. Make the ground looser.
D. Build more houses for farmers.
Everyone tries to get to school on time. But when the weather is bad, can you still make it before the bell rings?
Sandstorms usually happen in spring. In some countries like Mongolia, big sandstorms often bring problems to students and everyone else. When the sky is dark with sand, buses and cars all move much more slowly.
People in southern areas don’t have to worry about this kind of bad weather. In northern areas, many places only have a few trees and don’t get much rain. When people there cut down too many trees, things get worse. When there aren’t many trees, the ground can’t keep enough water. Over the years, the ground dries up and turns to sand. When spring comes and the ice melts, the ground becomes looser (更松散的). Strong winds take the loose sand into the sky.
Sandstorms are bad for people’s health. If people breathe too much sand, they may cough a lot. Sandstorms also bring farmers lots of problems. Sometimes their sheep get lost in the storms and never get back home. The winds also break farmers’ houses.
What can you do to stop sandstorms? Here’s an idea: volunteer to plant some trees this spring. What’s more, if you see people cutting down too many trees, tell them about the danger of sandstorms.
(
A
) 1. In which season do sandstorms usually happen?A. In spring. B. In summer.
C. In autumn. D. In winter.
(
D
) 2. Which is NOT a cause of sandstorms?A. Fewer trees. B. Looser ground.
C. Strong winds. D. Heavy rains.
(
B
) 3. What can we do to help stop sandstorms in the passage?A. Ask people to cut down more trees.
B. Plant trees with the help of parents.
C. Make the ground looser.
D. Build more houses for farmers.
答案
1. A
2. D
3. B
2. D
3. B
