钢材的设计强度是根据（）确定的。 A．比例极限 B．弹性极限_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

钢材的设计强度是根据（）确定的。

A．比例极限

B．弹性极限

C．屈服强度

D．极限强度

答案

参考答案：C

完形填空

Whenever we hear about “the homeless”, most of us think of the Developing world. But the   31  is that homelessness is everywhere. For example, how many of us would expect to see people living on the streets of a   32  country like Germany?
Kurt Muller and his wife Rita have spent eleven years making   33 for the homeless of Berlin, Germany’s capital. They first   34  one long hot summer when most Germans were   35  on holiday. Kurt and his wife stayed at home, made sandwiches,   36  a table in the street and gave food to the homeless.
The Mullers soon realized that food and clothing weren’t   37   . “What these people also need is warmth and   38  ,” says Rita. The Mullers didn’t   39  to give their phone number to the street people and told them to phone anytime. Rita  40   there was somebody at home to answer the phone and their home was always   41  to anyone who couldn’t face another night on the street.
The couple were soon   42  all their time and money, so Kurt visited food and clothing companies to   43  donations. Today, over thirty companies 44 donate food and other goods to the cause and volunteers help to 45 them to the homeless. The public also give clothes and money and a shoe producer   46  new shoes.
Kurt and Rita receive no   47  for their hard work. “ We feel like parents,” says Rita, “and parents shouldn’t   48  money for helping their children. The love we get on the streets is our salary.” Though Rita admits she often gets   49  , she says she will continue with her work because she likes the feeling of having made a   50  in the world.

A．traditional

A．preparations

D．suggestions

单项选择题

男，22岁。交通事故后失血性休克，经手术止血和补充血容量，休克得以纠正。但伤后24小时出现无尿，使用呋塞米无效，以后的补液方案是（）

A.给予口服液体

B.每日静脉给予2000～2500ml液体

C.3天内不补液

D.口服山梨醇导泻

E.按"显性失水+不显性失水-内生水"的公式补液