题目内容

5. When our children's education is , nothing is unimportant.

   A. chosen   B. concerned

   C. taught   D. referred

5. B

5. B解析:考查动词辨析。句意:当涉及孩 子的教育问题时,事事重要。be concerned 相当于be referred to。故选 B.

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     A sandstorm refers to a high amount of wind occurring in sandy areas,usually in deserts,where the wind speed is able to lift the top layer of sand from the ground,and push it in every direction. The sand involved in the sandstorm can reach heights of about 3. 05 m—15. 24 m.

It is very dangerous to experience sandstorm. Sand can get into the nose,eyes,mouth and lungs. If you happen to be caught in a sandstorm,you must protect yourself by wearing masks,scarves and so on.

If you’re driving when such a storm approaches,it ,s advised that you pull off the road,since it's difficult to continue driving. This is also important since vehicles can fail in during sandstorms and you could end up stuck on the road.

Most sandstorms occur in spring,and during the daytime. Many of the areas around the Persian Gulf and the Sahara Desert are associated with the most serious storms. Since it's a natural phenomenon,it can't be entirely controlled. In areas that are natural desert regions,you can't always prevent a sandstorm. There's much evidence that the planet Mars has dust storms,and clearly,no human intervention (介人) is responsible for such. Though it can move whole sand dunes and destroy crops,a sandstorm is not without benefit (益处) .

36. Which of the following is TRUE for a sandstorm?

   A. It occurs not only in deserts but also on the coast.

   B. It is very strong because it blows in a direction.

   C. The sand in it can be blown up as high as 15 metres.

   D. It can be often seen on the beach.

37. If you’re driving in a sandstorm,you’d better

   A. stop your car in the middle of the road

   B. continue to make your way

   C. stop and ask for help

   D. stop your car on the side of the road

38. When and where are you most likely to see a sandstorm?

   A. In the Sahara Desert in autumn.

   B. In the Sahara Desert in spring.

   C. Around the Persian Gulf in winter.

   D. Around the Persian Gulf in summer.

39. According to the writer,a sandstorm .

   A. is the result of human activities

   B. can be prevented

   C. can't completely disappear on the earth

   D. can't be forecast 

40. The underlined sentence shows that,anyway,sandstorms are .

   A. useful   B. useless

   C. harmful   D. powerful

    

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