关于社会主义社会仍需实行商品经济的原因的说法，正确的有()A.生产资料所有制形式与资

读短文判断(√)错(×)。

                                                             Sam's Diary

                                                                                                      Tuesday, Cloudy

     Today I had two hamburgers at lunch. I like hamburgers very much. I wanted to have another one.

But Mum didn't want me to eat too much. She doesn't like hamburgers. She drank some juice. Tomorrow

is Dad's birthday. Mum is going to make a cake for him. I'm going to eat lots of delicious food. I wish Dad

a happy birthday!

( ) 1. Sam ate two hamburgers today.

( ) 2. Sam's Mum likes hamburgers very much.

(     ) 3. Sam's Mum drank some juice at lunch.

( ) 4. Sam's Mum is going to make a cake for Sam.

( ) 5. Murn is going to have a happy birthday.

施工单位应当在施工组织设计中编制安全技术措施和施工现场临时用电方案，对达到一定规模的危险性较大的工程应当编制专项施工方案，并附具安全验算结果，经施工单位技术负责人签字以及( )核签后实施，由专职安全生产管理人员进行现场监督。

A．项目经理

B．总监理工程师

C．项目法人

D．国家一级注册安全工程师

根据语境回答问题。（6分）

张军同学到学校图书室还书，管理员接过书翻了一下说：“呀，张军同学看书可真认真，书上划了那么多杠杠，有的还作了旁批呢！”张军听了，怪不好意思。

小题1:管理员的言外之意是：                                          。

小题2:如果你是张军，你应该怎样说：                                              

高压设备外壳接地有何作用？

工序质量处于受控状态时质量特性值的分布特性不随时间而变化，始终保持（）且符合质量规格的要求。