科目: 来源: 题型:022
Once ________ (环境的) damage is done, it takes many years for the system to recover.
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科目: 来源: 题型:022
In some regions, people wear a ________ (各种) of protective hats, depending on the season.
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科目: 来源: 题型:022
用合适的词填空,括号中给出的是所要填的词的词干部分。
With the development of computers and the Internet, it’s much easier for me to ________ (load) papers.
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