患者，女，40岁。月经或前或后，烘热出汗，五心烦热，头晕耳鸣，腰酸乏力，舌红苔薄，脉

如图所示，轻杆长为3L，在杆的A、B两端分别固定质量均为m的球A和球B，杆上距球A为L处的点O装在光滑的水平转动轴上，外界给予系统一定的能量后，杆和球在竖直面内转动．在转动的过程中，忽略空气的阻力．若球B运动到最高点时，球B对杆恰好无作用力，则下列说法正确的是

A．球B在最高点时速度为零

B．球B在最高点时，杆对水平轴的作用力为1.5mg

C．此时球A的速度也为零

D．球B转到最低点时，其速度为

When someone says, “Well, I guess I’ll have to face the music”, it doesn’t mean that he is planning to go to hear a singer or attend a concert. It is something far less unhappy than you are called in by your leader to explain why you did this and that or why you did not do this or that.

At some time or another, every one of us has to “face the music”, especially (尤其) as children. We can all remember fathers angry words “I want to talk to you”. And only because we did not listen to him. What a bad thing it was!

In the middle or at the end of every term, we students have to “face the music”. The result of the exam will decide whether we will face the music or not. If...that means parents cold faces and contempt (轻视) of the teachers and classmates.

“To face the music” is well known to every American, young or old. It is at least 100 years old. It really means that you have to do something, no matter (无论) how terrible the whole thing might be, because you know you have no choice.

小题1:“To face the music"means “to____ ”.

A．do something that we don’t like to

B．go to the theatre

C．go to the music show

D．do something that we want to小题2:In the third paragraph, “If...”really means “If____ ”.

A．we don’t do a good job

B．we get an“A” in the exam

C．the exam is easy

D．the exam is difficult小题3:Which of the following is NOT true according to the passage?

A．“To face the music” is well known in the United States.

B．“To face the music” has a history of more than 100 years.

C．The young Americans know what “to face the music” means.

D．Only the old in the United States know the meaning of“to face the music”.

因产品的设计及原材料缺陷等因素引起的质量缺陷或损坏，生产企业应提供的售后服务是( )。

A．抱怨处理
B．质保期内免费服务
C．保养
D．维修

某国有工业企业，2008年8月份因雷击造成火灾，共计损失150万元，其中：流动资产损失90万元；固定资产损失 60万元。企业收到保险公司的赔偿款90万元，其中，流动资产保险赔偿款 70万元，固定资产保险赔偿款20万元。企业由于这次火灾损失而应计入营业外支出的金额为( )万元。

A．150
B．90
C．60
D．70

某岸边工程场地细砂含水层的流线上A、月两点，A点水位标高2.5m，月点水位标高3.0m，两点间流线长度为10m，试计算两点间的平均渗透力。