- 问题详情:—Excuseme,what’sthisfor? —It’sacleanerandit topickupdirt.A.uses B.isused C.isusing D.used【回答】B知识点:动词语态题型:选择题...
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- Thus,whenthereisonlyashortsupplyofpoor-qualityfood,thewildebeest,topi,andgazelleenjoyanadvantage.Theotherthreespeciesdifferintheproportionoflowerleavesandhigherstemsthattheyeat:zebraseatthemoststemmatter,wildebeestseatthemostleaves,andtopiareintermed...
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