手法治疗癃闭的总原则（） A.疏利气机，通利小便 B.宣肺散结，通利小便 C.补肾纳

下面关于X线性质的叙述，哪项是错误的

A．X线与紫外线一样，均为电磁波

B．X线具有波动和微粒的二象性

C．X线的干涉与衍射现象，证明了它的波动性，康普顿效应则证明了它的微粒性

D．光电效应也证明了它的波动性

E．X线不具有质量和电荷

在病例对照研究中，估计某因素与疾病的联系程度，应计算（）

A.RR

B.RR-1

C.OR

D.OR-1

E.P1-PO

阅读下面短文，用括号内所给动词的适当形式填空 (必要时可加情态动词或助动词)。

It was another hot, dry day in the forest…

A little ant was thirsty. So he went to a river 小题1:______ (get) a drink. But the ant got too close to the river. He小题2:______ (carry) away by the flow (流动) of the river.

“Help! Help!” cried the little ant.

A dove (鸽子)小题3:______ (sit) on a tree nearby. She saw what happened to the ant. She pulled a leaf from the tree and held it in her mouth. Then she flew over to the little ant. She dropped the leaf into the water. The ant 小题4:______(climb) onto the leaf and got to safety.

“Thank you for saving me,” said the ant to the dove. “One day, I 小题5:______ (do) something to help you.”

“That is very kind,” said the dove. “But I 小题6:______ (not, think) a little ant like you could ever help me.”

A few days later, the ant saw a bird catcher 小题7:______ (stand) under a tree. He was waiting

to catch the dove with a net.

“Oh, no! My friend Dove 小题8:______ (sleep). She is in danger! I小题9:______ (help) her.”

So, he ran over to the bird catcher and stung (刺痛) him in the foot. The bird catcher cried and threw down his net in pain. The dove was able to fly away.

“Thank you, my dear friend. You小题10:______ (save) my life. Now I come to see I was wrong. I am sorry for what I said.” the dove said to the ant.

某男，55岁，诊断肝炎肝硬化失代偿期，住院时无腹水，住院期间出现腹痛、低热、腹水征阳性，怀疑医院感染(自发性腹膜炎)，最有意义的检查是

A．血常规检查
B．血培养梭查
C．肝功能检查
D．腹水常规及培养
E．腹腔镜检查

车床夹具在工件（）过程中，不但承受切削力，还要承受工件的重力，离心力和惯性力的作用。

A.安装

B.测量

C.加工

D.转动