题目内容

Children are not allowed to swim in the swimming pool.

A. True
B. False
C. Not given
D. Not sure

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下面的合金中哪一个是热作模具钢（）

A. Cr12MoV
B. 5CrMnMo
CrWMn
D. 4Cr13

As a writer, I also do a lot of public speaking as I really enjoy ________ my experences with my readers.

A. sharing
B. share
C. to share
D. shared

Q235A属于（）

A. 合金钢
B. 工具钢
C. 普通碳素结构钢
D. 高级优质碳素结构钢

在S320设备中，如果需要2个STM-4接口，应该安插（）单板

A. OIB1S
B. ET3E
C. O4CSD
D. NCP
E. SCB
F. CSBE