利润质量低下的主要表现有哪些方面？

(1)WANTED                           (2)SUMMER JOB

Are you working hard? Do you like to    Do you like to talk with people? Do you like to

meet people? If your answer is "Yes", then we  write stories? If you want to work for our

have a job for you as a waiter.            magazine as a reporter,  please call Karen at

Call AL Hotel at 556779                 558366

(3)HELP WANTED                  (4)CLEANER WANTED

Do you like babies? Can you look after one   Can you make a large house clean and

baby for two days? If you are sure to take good  tidy? If you hope to get the job paid at $20

care of it, call us at 766588.              once a week, call us this evening.

$ 80 0rmore                             8: 00-20: 20

Today Hurry                           Tell: 833800

小题1:The above job ads are probably from_______.

A．a newspaper

B．a story

C．a science book

D．a guide book小题2:If the owner of the large house asks a cleaner to tidy his house twice a week,  how much will the cleaner get in a month?_______.

A．$120

B．$160

C．$200

D．$240小题3:If you are a college student of English who enjoys writing during your summer holiday,  you will be more interested in the job in_______.

A．ad(l)

B．ad(2)

C．ad(3)

D．ad(4)

如图所示，小车做匀速直线运动，质量为m的一小球用一轻绳挂在小车柱上，突然发现用挂小球的轻绳与竖直方向成α角，则这时

A．小车的加速度大于gsinα

B．小车的加速度方向向右

C. 小车正向右做匀加速直线运动

D．小车可能向左做匀减速直线运动

（）不是存款信息调整所需要的有效身份证件

A、居民身份证

B、军人身份证

C、户口簿

D、工作证

在下列人物中，属于春秋战国时期的有( )。

A．扁鹊

B．鲁班

C．张仲景

D．屈原

在窗体上添加一个命令按钮，然后编写如下事件过程：
Private Sub Command1_Click()
sum=0
For i=3 To 7
sum=i+2
Next i
MsgBox sum+i
End Sub
打开窗体后，单击命令按钮，消息框的输出结果是______。