题目内容

PLC主要由:、、、组成。

A. CPU
B. 输入模块
C. 输出模块
D. 编程装置

查看答案

搜索结果不匹配？点我反馈

更多问题

与转氨作用有关的维生素是

A. 维生素B1
B. 维生素B2
C. 维生素PP
D. 维生素B6

Tom arrived for work _____ that the manager sent him home again.

A. too late
B. very late
C. so late
D. much later

Mrs Brown says she won't pay $20 for the dress; it's not worth _______.

A. all that much
B. that all much
C. that much all
D. much all that

I think Sally is quite _____ her sister, Lily.

A. as pretty
B. as pretty than
C. as pretty as
D. prettier