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【判断题】
对于同槽数,同圆销数的外啮合与内啮合槽轮机构而言,内啮合形式的槽轮机构静止时间更短。A.
正确
B.
错误
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【简答题】36÷9=4，所以36是倍数，9是约数．______．
【单选题】Do animals have a culture? What do we mean by “culture?” Lately social scientists have begun to ask if culture is found just in humans, or if some animals have a culture too. When we speak of culture,...
A.
A chimpanzee can learn to use sign language to make sentences
B.
Other animals can invent tools
C.
Knowledge and communication are no longer signs of only human behavior
D.
The line dividing human culture from animal culture is not as clear as we might think
【简答题】Anthropology人类学 New words: (n): a competition: a gathering for a purpose Persistence (n): not giving up until a goal is completed坚持不懈 Antelope (n): a horned, deer-like animal羚羊 Herd (n): a group...
【单选题】以下项目需要政府部门审批的是 。
A.
政府直接投资的项目
B.
《政府核准的投资项目目录》中的项目和限制类项目
C.
不在《政府核准的投资项目目录》中的其他企业投资项目
D.
以上
【判断题】Coronavirus, the word is formed by combine corona and virus, is any of a group of RNA viruses that cause a variety of diseases in humans and animals.
A.
正确
B.
错误
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