信号报警与联锁保护装置就其构成，触点的种类可分为触点式.无触_爱下问搜题

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问题单项选择题

信号报警与联锁保护装置就其构成，触点的种类可分为触点式.无触点式和（）

A.继电器

B.晶体管

C.集成电路

D.触点与无触点同用的混合式

答案

参考答案：D

单项选择题

工程方案选择应满足的基本要求不包括（）。

A．满足生产使用功能要求

B．应有已选定的场址(线路走向)

C．应与确定的建设规模、技术方案相适应

D．符合工程标准规范要求

阅读理解

任务型阅读。

学唱英语歌也是学好英语的方法之一。请根据下面四首歌的歌词内容为它们配上相应的图片。

1. Good morning, good morning. Good morning to you. The day's just beginning. There's so much to do.	2. I'm at the beach look at me, living on an island by the sea. I like to dive and I like to swim, the fish and the starfish are my friends.
3. There was a farmer had a dog, And Bingo was his name-o. B-l-N-G-O! B-l-N-G-O! B-l-N-G-O! And Bingo was his name-o!	4. The wheels on the bus go round and round, Round and round, round and round. The wheels on the bus go round and round, All through the town.

1.______ 2.______ 3.______ 4.______
5. 请从所给的A、B、C三个选项中选出符合第4小题的歌名。
A. I'm driving a car
B. The wheels on the bus
C. I'm a bus driver