甲、乙两公司于1994年10月签订了一份合同，甲公司从乙公司购买一套水处理设备；甲公

Let’s go to      cinema, and that’ll take your off the problem for     while.

A．the; the

B．the; a

C．a; the

D．a; a

文化变迁

Man: Have you run up against any problems in getting your passport renewedWoman: I haven't started the plan yet.Question: What do know from the conversation

A．The woman doesn't think it a problem to get her passport renewed.

B．The woman has difficulty renewing her passport.

C．The woman hasn't renewed her passport yet.

D．The woman's passport is still valid.

对正常心理和异常心理的标准化区分中，社会适应标准要求正常人的行为符合社会准则，能够( )。

A．根据社会要求和道德规范行事

B．根据自己的思想意识行事

C．按照自我认可的方式行事

D．与自我要求一致

当中性点不接地电力网中发生单相接地故障时，故障线路与非故障线路零序电流的大小有何特点？