高渗性脱水患者血清钠浓度是（）。A.>150mmol/L B.>160mmol/L

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       Tom and Mike are good friends.They are kind to children.They want to find summer jobs.One day

Tom tells Mike that Beidaihe Kids Summer Camp need help with sports,music and computers.They are

both very glad to hear this.

       Tom can play basketball and volleyball,and he can swim,too.Mike can play the violin(小提琴),the

trumpet,the drums(鼓)and the guitar,Tom and Mike like computers very much.Can they join the summer

camp?

1. Tom and mike want to        .

A. help with sports,music and computers

B. be good with children

C. join the summer camp 

D. get help from the camp

2. What does the summer camp need help with?

A. Flying kites. 

B. Sports,music and computers.

C. Making cakes.

D. Drawing pictures.

3. Tom can play        .

A. ball games      

B. computer games      

C. music    

D. violin

4.Mike can play        .

A. the drums

B. volleyball

C. basketball

D. football

5. What do Tom and Mike both like?

A. Football

B. Computer

C. Swimming

D. Sports

股利无关论认为股利分配对公司的市场价值不会产生影响，这一理论建立在一些假定之上，其中不包括（）。

A．投资者和管理当局可相同地获得关于未来投资机会的信息

B．不存在股票的发行和交易费用

C．投资决策不受股利分配的影响

D．投资者不关心公司股利的分配

延髓麻痹的主要表现是（）

A.眼球外斜、瞳孔扩大、视物双影和上睑下垂

B.伸舌偏斜、视物双影、面部麻木和眩晕耳鸣

C.声音嘶哑、饮水返呛、吞咽困难和构音障碍

D.瞳孔缩小、眼球内陷、睑裂变小和面部无汗

E.额纹消失、闭眼无力、口角下垂和味觉缺失

临时限速服务器不具备故障自诊断功能。

煤层厚度变化较大无明显规律结构复杂至极复杂有三个或三个以上煤类煤质变化大。该煤层为（）。

A.稳定煤层

B.较稳定煤层

C.不稳定煤层

D.极不稳定煤层