搜题请搜索小程序“爱下问搜题”
问题 单项选择题

等利润曲线是一条由一系列（）组合形成的轨迹。

A.工资和生产率

B.利润和生产率

C.工资和雇用量

D.利润和雇用量

答案

参考答案：C

解析：此题考查效率合约模型含义问题。理由为：等利润曲线是一条由一系列的工资和雇用量组合所形成的轨迹。

阅读理解

Many teenagers feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. When they are happy, they’d like to tell their friends. And they also like to talk to their friends when they feel sad.

It’s very important for teenagers to have a good friend or a group of friends. Even when they are not with their friends, they usually spend a lot of time talking with them on the phone. The communication is very important to children’s growth, because friends can discuss something. These things are difficult to their family members.

But some parents often choose friends for their children. Some parents may even stop their children from meeting their good friends. It’s a trouble to many children.

根据材料内容判断下列各句正(T)误(F).

小题1:Many teenagers think that parents can understand them better.

小题2:Communication with friends is very important to teenagers.

小题3:When teenagers have something difficult to say, they usually go to their brothers and sisters for help.

小题4:Some parents like to choose friends for their children.

小题5:Children don’t want parents to stop them meeting friends.
查看答案
单项选择题

存储器分为内存储器和外存储器两类，下列说法正确的是( )。

A．它们中的数据均可被CPU直接调用

B．只有外存储器中的数据可被CPU直接调用

C．它们中的数据均不可被CPU直接调用

D．只有内存储器中的数据可被CPU直接调用
查看答案