Inrecentyears,sandstorms

问题详情：

In recent years,sandstorms___41___(occur) in China frequently,especially in northwestern areas,___42___severe influence has caused wide concern in China.

There're several reasons for t of all,people are cutting down trees without planting more,___43___(make) some land become her reason is___44___it rains less due to the environment pollution.

To___45___(efficient) prevent sandstorms,first,we should plant more trees and grass which can keep the soil ___46___ being washed nd,more green fences should___47___(build) along the desert,___48___it helps to control the process of the desertification.

Let's take action to do what we can___49___(prevent) sandstorms from the golden days we have been looking forward to___50___(come).

【回答】

41. have occurred       

42. whose    43. making   

44. that      45. efficiently   

46. from    47. be built   

48. and    49. to prevent   

50. will come

知识点：语法填空

题型：未分类