問題詳情

An important environmental problem for the world isdesertification. This is the process of useful land losing its abilityto produce plants and, little by little, turning into desert. It is anespecially big problem in parts of Africa and Asia, but it ishappening in many other places as well.Desertification is a major problem for several reasons. Itmostly affects poor people in under-developed parts of the world.Even now, it is diminishing the amount of land that such peoplecan use. They are losing land for their homes, as well as land forgrowing food and raising animals. In most cases, such people donot have the money or knowledge to protect themselves fromdesertification. When their land changes to desert, there isnowhere for them to go and nothing for them to eat. In the worstcases, desertification can decimate hundreds of thousands ofpeople. Humans play a big role in causing desertification. Theykeep too many animals, such as cows, on their land. They alsocut down too many trees, so that new trees cannot grow. It isimportant to try to change these destructive practices. If theycontinue, more and more land will be permanently ruined.(From Reading Challenge 2, Book 3)
48. What happens to land after desertification?
(A) People can plant trees.
(B) People can move back.
(C) More money can make it better.
(D) It can never be used again.

參考答案

答案：D
難度：簡單0.868263
統計：A(19),B(10),C(15),D(290),E(0)

內容推薦

內容推薦