共同投标协议属于( )决定。A．合同关系 B．代理关系 C．委托关系 D．指定关系

综合填空(首字母已给出)。

     An old woman o __1__ her window and looks out of it. The sun shines b __2__ . There's a man in the

 g __3__ in front of her house. The old woman looks at him and says, "He is eating g __4__ !"

     She goes o __5__ and asks the man, "Why are you eating grass? Are you h __6__ ?

     The man says, "Yes, I am very poor. I have n __7__ for my breakfast today and I am hungry now."

     The old woman tells him to go to the b __8__ door of her house, and she goes in again.

     The man s__9__ and goes to the back door of the house.

     Then the old woman opens the door and says to the man, "The grass here is l __10__."

三（1）班45人去公园划船，每6个人坐一条船，至少要租多少条船？

氨基酸分子如何与正确的tRNA分子连接？

Negative feedback:

男，36岁。翻车肩部外伤，半小时后来院。查体：左锁骨中外1／3处明显畸形，局部肿胀明显，淤血，桡动脉搏动触不到，手部发凉，皮色苍白，血压80／40mmHg。

该患者应首先做哪项处置（）

A.立即做X线检查

B.立即做化验各项检查

C.做血管造影

D.立即补液，输血

E.整复骨折，固定