把一个圆柱的侧面展开得到一个正方形，这个圆柱的底面半径是0.5分米，它的高是（）

Mr. Black works on a big farm. His wife Mrs. Black works in a school Mr. Black is nearsighted. But he doesn’t like wearing glasses when he has meals. Mr. Black has a son. His name is Tony. He is in Class One, Grade Eight of No.2middle School. He likes talking very much. He often talks about his school and his friends at table. Mr. Black is angry, he always shouts, “Don’t talk when you have meals.” And Mrs. Black also says to him, “Be a good boy, Tony.”     

One day, when they are having supper, Tony finds there is a fly in his father’s bowl. Then he wants to tell his father about it,“Dad, there is …” His father looks at him and says,“Stop talking!” After supper, his father asks him , “Well , my boy, what is it?” “There is a fly in your bowl, and it is in your stomach now.”says Tony.“Why don’t you tell me earlier?” shouts his father angrily.

小题1: Mr. Black is a            .

A．farmer

B．teacher

C．driver

D．worker小题2: Mr. Li eats a         .

A．bird

B．fly

C．fish

D． dog小题3: What is Tony like ?                . 

A．He is shy

B．He is outgoing

C．He is quiet

D．He is lazy

肾动脉造影检查的适应证中，不包括（）。

A.原因不明的高血压，听诊脐周有血管杂音者

B.高血压发病时间短，进展迅速，且排除其他引起血压升高的常见原因者

C.超声、静脉肾盂造影、CT检查双肾大小有明显差别，肾图血管段升高或排泄段延缓者

D.疑为肾脏肿瘤、多囊肾、某些肾上腺肿瘤的肾区肿块者

E.其他诊断方法不能明确的肾外伤出血者

简述脱C器脱碳效率低的原因及处理。

健全完善的法律体系是依法治国的基本前提。