托福阅读词汇题：Desert Formation

托福阅读词汇题怎么做?接触过新托福考试的考生应该对新托福阅读中的一类题型深有体会，甚至有的考生对其深恶痛绝，这一类题就是阅读的词汇题，即选择4个选项中和原文某一词汇意义表达相同的选项，很多同学面对这样的题目都会束手无策。那么，下面我们就为大家带来一些这样的范例，帮助大家如何应对这样的题目。
托福阅读词汇题：Desert Formation

【Paragraph 1】The deserts, which already occupy approximately a fourth of the Earth's land surface, have in　recent decades been increasing at an alarming pace. The expansion of desert-like conditions into areas where they did　not previously exist is called desertification. It has been estimated that an additional one-fourth of the Earth's land　surface is threatened by this process. (Desert Formation)

The word “threatened” in the passage is closest in meaning to

○restricted

○endangered

○prevented

○rejected

托福阅读词汇题答案：2