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An important environmental problem for the world is desertification. This is the process of useful land losing its ability to produce plants and, little by little, turning into desert. It is an especially big problem in parts of Africa and Asia, but it is happening in many other places as well. Desertification is a major problem for several reasons. It mostly affects poor people in under-developed parts of the world. Even now, it is diminishing the amount of land that such people can use. They are losing land for their homes, as well as land for growing food and raising animals. In most cases, such people do not have the money or knowledge to protect themselves from desertification. When their land changes to desert, there is nowhere for them to go and nothing for them to eat. In the worst cases, desertification can decimate hundreds of thousands of people.
 Humans play a big role in causing desertification. They keep too many animals, such as cows, on their land. They also cut down too many trees, so that new trees cannot grow. It is important to try to change these destructive practices. If they continue, more and more land will be permanently ruined. (From Reading Challenge 2, Book 3)

【題組】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.

答案：D
難度： 非常簡單
1F
阿心亮晶晶(108桃園正取 大三上 (2019/03/31)

世界上一個重要的環境問題是荒漠化。這是有用的土地失去其生產植物的能力的過程，並逐漸變成沙漠。這在非洲和亞洲部分地區是一個特別大的問題，但它也發生在許多其他地方。由於若干原因，荒漠化是一個主要問題。它主要影響世界欠發達地區的貧困人口。即使是現在，這種人們可以使用的土地數量正在減少。他們正在為自己的家園以及種植糧食和飼養動物的土地而失去土地。在大多數情況下，這些人沒有錢或知識來保護自己免受荒漠化。當他們的土地變成沙漠時，他們無處可去，沒有任何東西供他們吃。在最糟糕的情況下，荒漠化可能導致數十萬人死亡。

人類在造成荒漠化方面發揮著重要作用。他們在自己的土地上飼養了太多的動物，如奶牛。他們還砍伐了太...
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2F
售試教和口試模板 IG:i 研一上 (2021/05/22)

沙漠化 (Desertification)

簡介

說明

沙漠化指原由植物覆蓋的土地變成不毛之地的自然災害現象。是水土流失的一種形式，相對乾旱的土地變得更加乾涸，原因有許多，如氣候變化和人類過度開發等。 當沙漠在星球生命周期中自然形成，則為自然現象；然而，由於過度開墾，近乎肆虐無節制地壓榨土壤中的養分，則為「土壤死亡」，可以追溯至人類過多開發。


An important environmental problem for t..-阿摩線上測驗