Woman: Don't you know Jim works as a dish washer at a restaurant around the corner Man: It isn't a bad job to start with. I wouldn't mind that job for the summer if no others are available. Question: What does the man mean

A．He likes the job of a dish washer because it pays well.

B．He thinks it's important to have a good job from the beginning.

C．He hates to be a dish washer because it's boring.

D．He would work as dish washer in summer if he has to.

某化工厂进行机电设备安装工程，主要是锅炉安装、空调安装和电线、电缆的安装工程。工程要求十分严格，部分设备要求采用优质碳素结构钢，锅炉采用耐高温材料，空调通风管道采用绝热材料，电线导管用防腐的塑料制品，电线采用BX或BV型，电缆采用VLV32或VV32型。安装完经检验合格后，交付使用。

高压锅炉的汽包材料常用（）制造。

A．普通碳素钢板

B．低合金钢

C．不锈钢板

D．镀锌钢薄板