【考前必备】托福阅读十大题型之词汇题——Desert Formation
- 2015年08月28日14:31 来源:小站整理
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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