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【简答题】
根据棘轮机构的结构特点进行分类,可分为 ____ ___ 式棘轮机构和 ___ ____ 式棘轮机构。
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皮皮学刷刷变学霸
举一反三
【简答题】玉米杂交制种中母本去雄的要求是什么?
【简答题】— Is there a bank near here? — Yes, _____ . [ ] A . there is B. there are C. there isn't D. they are
【简答题】搞好玉米制种，在制种中应抓好哪几项措施？
【单选题】What does the woman mean?
A.
There is a market near here.
B.
There isn't a market near here.
C.
There is a market on the river.
【单选题】请判断下列句子类型: It’s still early, isn’t it? We have to get there at eight tomorrow, don’t we? Jim is never late for school, is he? There is no water here, is there?
A.
祈使句
B.
反义疑问句
【简答题】清热善治乳痈的要药是____，清热善治肺痈的要药是____。
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