问题
选择题
—Do you like penguins?
—Yes, I think they are ____ interesting. [ ]
A. a kind of
B. a kind
C. kinds of
D. kind of
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Do you like penguins?
—Yes, I think they are ____ interesting. [ ]
A. a kind of
B. a kind
C. kinds of
D. kind of
答案：D
(由单选和多选组成)
| (一) 市场供应的电磁炉中，甲厂产品占60%，乙厂产品占30%，丙厂产品占10%，甲厂产品合格率为95%，乙厂产品合格率为90%，丙厂产品合格率为80%。则 |
买到的电磁炉是甲厂生产的合格品的概率为______。
A．0.92
B．0.08
C．0.27
D．0.57
