问题 判断题

在一定范围内,现金的持有成本与现金的持有量成正比。 ( )

答案

参考答案:

解析: 现金的持有成本是指企业因保留一定的现金余额而增加的管理费用及丧失的再投资收益,其中管理费用在一定范围内与现金持有量的关系不大;再投资收益是企业不能用该现金进行有价证券投资所产生的机会成本,它与现金持有量成正比。

阅读理解

Do you want to have a mobile phone? Have you had a mobile phone already? Nowadays more and more students have their own mobile phones, and mobile phone use has become a problem for middle schools. Some middle schools in China have banned students from carrying mobile phones during school hours.

Mobile phone use among children has become a big problem for the school this year. Some children have got mobile phones as birthday gifts, and more students want them.

Wang Pi, an official, said, “Mobile phone use is a distraction (分散注意力的东西) to students during school hours and it also gives teachers so much trouble in their classrooms.” Teachers were also saying that sometimes students might use phone messages to cheat during exams.

Wang Pialso said some schools had tried to ban mobile phones, but some parents felt unhappy because they couldn’t get in touch with their children.

Many teachers said students should not have mobile phones at school, but if their was a good reason, they could leave their phones at school offices. They also said there were many reasons why the students should not have mobile phones at school. They were easy to lose and were a distraction from studies.

Many people say that they understand why parents would want their children to have phones, but they think schools should let the students know when they can use their mobile phones.

小题1:Some middle schools have banned students from carrying mobile phones         .

A.because they are students

B.because they don’t earn money

C.when they are at school

D.when they are free小题2:Some parents felt unhappy because they couldn’t        during school hours.

A.help the teachers with their work

B.leave their mobile phones at school offices

C.use their mobile phones

D.get in touch with their children小题3:The three underlined words “they” in Para. 5 refer to       .

A.teachers; students; mobile phones

B.teachers; mobile phones; students

C.students; teachers; mobile phones

D.students; mobile phones; teachers小题4:The passage tells us that         .

A.it is impossible to ban students from using mobile phones at school

B.some parents felt unhappy because they couldn’t use their phones at school

C.students shouldn’t have mobile phones at school except for some special reasons

D.parents should teach their children how to use mobile phones during school hours

多项选择题