Everyone tries to get to school on time. But when bad weather gives you trouble, can you s

Everyone tries to get to school on time. But when bad weather gives you trouble, can you still make it before the bell rings?
In northern China during spring, big sandstorms often make trouble for students and everyone else. When the sky is dark with sand, buses and cars all move much more slowly. Sometimes, people can’t even see for 20 metres.
Sandstorms usually happen in spring. This year, sandstorms started in late March. They have happened in more than 10 provinces (省) in northern China this year. More than 70 million people have had problems in those places because of the sandstorms.
People in southern China don’t have to worry about this kind of bad weather. Most of the sand comes from Gansu and Inner Mongolia（内蒙古）. In northern China, lots of places have few trees and don’t get much rain. People there have been cutting down too many trees. 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（融化）, 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（呼吸） too much sand, they could cough or have asthma（哮喘）.
Sandstorms also give farmers lots of problems. Sometimes their sheep get lost in the storms and never get back home. The winds also tear down farmers’ houses.
What can you do to stop sandstorms? Here’s an idea: Ask you parents to help you plant some trees this spring.
If you see people cutting down too many trees, tell them about the dangers of sandstorms, and ask your government to stop them from cutting.
【小题1】In which season do sandstorms usually happen?A．In spring.B．In summer.C．In autumn.D．In winter.【小题2】Which of the following provinces in China is often hit by sandstorms?A．Fujian Province.B．Yunnan Province.C．Jiangsu Province.D．Gansu Province.【小题3】The underlined phrase “tear down” in the sentence means “ ”.A．使……哭泣B．弄倒C．摧残D．加固【小题4】 According to the passage, what cannot be caused by sandstorms?A．Health problems.B．Traffic problems.C．The loss of farm animals.D．Noise pollution.【小题5】Which is not stated in the passage？ .A．Trees can help keep enough rain waterB．More trees need to be plantedC．Some people are doing harm to the environment D．Sandstorms are the main cause of asthmaA

(答案→)A 解析：【小题1】根据In northern China during spring, big sandstorms often make trouble for students and everyone else.可知选A。【小题1】根据Most of the sand comes from Gansu and Inner Mongolia（内蒙古）.可知选D。【小题1】联系下文farmers’ houses.可知是弄到农民的房子。故选B。【小题1】通过短文描述结合尝试，噪音不是沙尘暴引起的。故选D。【小题1】短文虽然说了沙尘暴可以引起哮喘，但没有说这事哮喘病的主因。故选D。

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