题目内容：

    I’m Mary. I'm talking to you from the Hilltop School Skating Marathon. Here, students are skating to raise(募捐) money for charity(慈善). For every hour they skate, each student raises ten yuan for charity. The skating marathon has been going for five hours now, and several skaters are still skating. Alison was the first one to start and has been skating for the whole five hours. Next is Sam, and he has been skating for four hours. Lu Ning has been skating for four hours, too. And Li Chen just started an hour ago.

1.Why are the students skating?

A.Because they want to know who is first in skating.

B.Because they are raising money for charity.

C.Because they are for a competition.

2.Every student can raise ______ yuan for every hour.

A.four B.eight C.ten

3.Who has been skating for the longest hours?

A.Alison. B.Sam. C.Lu Ning.

4.Sam has been skating ______ Lu Ning.

A.as long as B.for longer hours than C.for shorter hours than

5.Li Chen is the ______ one to go to the Skating Marathon.

A.first B.second C.last