做直接抗球蛋白试验的血标本是（）。 A.血清 B.血浆 C.肝素抗凝血 D.非抗凝血

人生中难免有与人争辩的时候，你还记得当时与人争辩的情形，能否描述一下吗？

Over the years I've been teaching kids about a simple___小题1:___ powerful concept ---- the ant philosophy. They have an amazing four-part philosophy.

First, ants never quit. They'll climb over, they'll climb under, and they'll climb around. They keep looking for another way. What a neat(了不起的) philosophy it is to never quit ___小题2:____(look) for a way to get ____小题3:__you're supposed to go! Second, ants think about winter and summer. That's ____小题4:__ important attitude.                                                              

You can't be _小题5:__ naïve(幼稚的) as to think summer will last forever. People who have a little experience are clear about this. So ants are gathering in their winter food in the middle of summer. It’s important to be realistic. You have to think about rocks as you enjoy the sand and sun. Think ahead. The third part is that ants think summer all winter. During the winter, they remind____小题6:___, "This won't last long; we'll soon be out of here." And ____小题7:___the first warm day, the ants are out. If it __小题8:___(turn) cold again, they'll dive back down. But they come out again if it is warm. They can't wait ___小题9:___(get) out. Last, how much will an ant gather during the summer to prepare for the winter? All that it ___小题10:___ (possible) can.

What a great philosophy to have----the ant philosophy：never give up, look ahead, stay positive and do all you can.

下列国家中，属于发达国家的是[ ]

A、日本

B、蒙古

C、中国

D、埃及

下列工业部门中，属于轻工业的是[ ]

A、化肥

B、机械

C、钢铁

D、造纸

城市污水排放处理系统主要包括( )。

A．污水排放系统

B．污水处理系统

C．雨水排放系统

D．雨水处理系统

E．污水管道系统和污水排放系统