土坝截流施工中，改善龙口水力条件的措施包括()A.定向爆破 B.双戗截流 C.三戗截

液压回路图是（）。

A.用来表示液压的图形

B.用来表示液压装置的图形

C.用液压图形符号表示的液压回路图

D.用来表示液压系统中各液压元件关系的图形

实验室里用加热氯酸钾和二氧化锰混合物的方法制取氧气并用排水法集气．实验完毕，停止实验的正确操作是先______，再______．这样做的原因是______．

同一会计期间内的各项收入和与其相关的成本、费用，必须在同一期间入账，不可提前或延后，这是权责发生制的体现。（）

Weighed down by study? Pushed to the limit by the fast pace of life ? Frightened by the possible war ? Well, you’re not alone. Men and women in France are seeking relief using the world’s best medicine-----laughter.

In the past year, more than 15 laughter clubs have been set up across the country. People of all ages go to release their stress with an hour group laughs. “People telephoned me and said they have forgotten what it is to laugh. They want to find a place where they can escape all their problems for a while. So they come,” said 40—year—old Jocelyne Le Moan. She usually takes a class of around 60 people through a series of laughter techniques.

Her pupils range from teenagers to 70 years old, but most are middle---aged white collars seeking 60 minutes of relaxation at the end of a busy day. Le Moan takes them through the “Lion Laugh”and the “Laugh Contest”, where participants “speak”to each other in different ways. And instead of talking, they break into fits of laughter. At the end there are 15 minutes of “meditation”, when they lie on their backs and let the laughs burst out of their mouths.

“I love it. It’s an experience that has changed my life. Through it I rediscovered the child’s laugh inside me,”Said Romain Jouffroy, 24. “US President George W. Bush should give it a try. He has lost his laugh,”she joked . Like Jouffroy, many laughter club members find themselves changed into children again, and why not ? The average preschooler laughs up to 400 times a day.

The average adult only a day seven to 15.

The physical benefits of laughter are already well—recognized. Doctors say the act of laughing releases good chemicals into the blood—stream, while the quick breathing that accompanies it helps massage（按摩）the digestive organs and strengthens the heart.

“A full hour is like having your inside go jogging！One finishes out of breath, but feels revitalized（产生新活力. And on top of that , you’ve had a laugh,”said doctor Alexisd’ Estaing.And many participants in Paris also emphasize the psychological benefits. They believe that laughter is a way of making oneself feel more confident.

小题1:Which of the following is not included among the benefits of laughing?

A．It can make people rediscover their children’s laugh.

B．It can release good chemical into blood streams.

C．It can make you feel self—confident.

D．It can cure the illness of people.小题2:The writer suggested that you should_____________.

A．take the world’s best medicine.

B．talk to each other about what troubles you.

C．learn series of laughter techniques.

D．have a good laugh after a busy day.小题3:From the passage , we can conclude the following but___________.

A．Jocelyne Le Moan is a teacher of the club.

B．the members are mostly middle---aged white collars.

C．people always need some way to relax in life.

D．laugh freely and everything goes well.小题4:Which of the following is not the reason why so many people join the laughter clubs ?

A．Those members feel too much pressure on them.

B．They want to find a place to relax themselves.

C．Laughters help massage the digestive organs.

D．The members don’t know how to laugh.

巴塞尔委员会要求采用内部模型计算市场风险资本的银行对模型进行事后检验，监管当局应根据事后检验的结果决定是否通过( )来提高市场风险的监管资本要求。

A．设定附加因子
B．提高风险系数
C．设定乘数因子
D．提高置信水平