题目

下列各式不成立的是( ) A . -(-3)=3 B .0>|-1| C . |2|=|-2| D . -2>-3 答案:B1  Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future. A. disappeared     B. disappearing     C. disappear         D.having disappeared
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