皮皮学，免费搜题
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【多选题】
下列 哪些项属于按出版类型分类的文献类型 ( ) 。A.
光盘
B.
图书
C.
期刊
D.
学位论文
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】根据肿瘤组织来源和分化程度可将肿瘤按其对放射线的敏感程度分为____、____和____。
【简答题】效率与效益相比较，（ ）是第一位的。
【简答题】中药材分析前处理中,常用的提取方法有哪些?
【简答题】根据音标写出单词 /kɑːrtu:n/
【简答题】E Twenty years ago, most experts believed that differences in how boys and girls behaved were mainly due to differences in how they were treated by their parents, teachers, and friends. It’s hard to c...
【简答题】Look ! This is a nice 1 . It’s Sunday morning. There 2 many boys and girls in the park. Some of them are singing 3 the tree. Some are 4 in the river. Other 5 are playing s on the hill. Maria is a...
【单选题】Good morning, boys and girls!
A.
Good morning ,Miss Wang!
B.
This is classroom. It’s big!
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