皮皮学，免费搜题
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【判断题】
有一个面是多边形,其余各面是有一个公共顶点的三角形的多面体叫做棱锥A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】安神药的使用注意有哪些?
【单选题】请同学们在阅读文章第一段落后,选出能够概括该段落大意的选项: 第三段段落大意:
A.
corn will be processed into various kinds of food, and can be stored for a long time.
B.
Corn and potato have high nutrition, both are good for human health.
C.
Corn and potato were found before new America and first harvested by Chinese.
D.
Corn and potato are from new world and first harvested by native Indians.
E.
potato is a main food for western countries, it also can be prepared in many kinds of dishes.
【简答题】请仔细阅读本文,理解文章构成,划分段落并概括段落大意
【简答题】阅读本单元本文,理解文章,分段落并概括段落大意。