问题 单项选择题

螺杆式冷水机组在启动之前必须做初次找正,并在热运行()h后重新检查。

A、2

B、3

C、4

D、5

答案

参考答案:C

材料分析题

一天,某校初二(1)班的几个同学经过一片西瓜地时,同学甲说:“我们去偷摘个西瓜尝尝吧。”同学乙说:“好啊。这么多西瓜,偷摘一个不算啥,以后我们每天来摘一个。” 假如你知道了此事,你会对同学甲和乙宣传哪些法律知识?

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                                

                                                                                                                                                               

                                                                                                                                                               

单项选择题