应收账款的成本主要有机会成本、管理成本和坏账成本。其中，应收账款的机会成本等于应收账

根据表格内容，选择正确答案。
Many young people want to be pop stars．Pop stars are rich．Many people think they are leading a happy and easy life．Is that true? The answer is definitely no．In fact, they have very hard lives．They spend much of their time on travel．Sometimes the travel is interesting, but in most time it is boring to pop stars．The following chart is a day’s life of a pop star．

Feb． l0, 2012
5:00	Woke up and had breakfast in the hotel． Packed bags． Took taxi to airport．
7:30	Plane took off half an hour later than usual for the bad weather．
8:30	Plane landed． Waited for luggage (行李)for half an hour． Signed for fans at the airport．
9:45	Arrived at the hotel and had a short rest．
10:00	Started out to attend the meeting with fans and gave an interview to the local reporters．
11:00	Went to radio station to attend the live show．
12:00	Had lunch with local producer (制片人)
I3:00	Went to theatre and prepared for the night’s show． The lighting of the theatre was good, but the band did poorly．
17:00	Back to hotel． Tried to have a rest． Still worried about the band．
18:00	Had supper, but ate little．
18:30	Went to theatre again and got ready for show．
19:30	Sang very well, and audience gave a warm welcome． The band improved a little．
22:00	Show was over． Very tired from it．
23:00	Back to hotel． Took a bath． Too excited to sleep, so watched TV．
0:00	Fell asleep, with TV on．

小题1:The pop star went back to the hotel _________ on Feb．10, 2012．

A．once

B．twice

C．three times

D．four times

小题2:According to the chart, the pop star was good at _________．

A．singing

B．dancing

C．making faces

D．playing the piano

小题3:The pop star felt ________ after the performance．

A．tired

B．excited

C．sad

D．both A and B

小题4:The band did _________ in the rehearsal (彩排) in the night’s show．

A．better in the show than

B．worse in the show than

C．in the show as badly as

D．not do as well as in the show

小题5:This passage mainly tells us that _________．

A．pop stars are not rich in fact

B．young people had better not be pop stars

C．there are many young people wanting to be pop stars

D．pop stars don’t have an easy life as they seem to have