老年患者股骨头下骨折有移位，较恰当的治疗方法是（） A.人工髋关节置换术 B.三刃钉

单词拼写

1. The bags on _____(销售)are fifteen yuan each.

2. My sister likes to go to that _______(服装)store to buy clothes.

3. The boy in _______(白色的), not the one in black, is his cousin.

4. You can buy the shirt for eight ______ (美元) or twenty RMB yuan.

5. They ______ (卖) the soccer balls for only ￥40.

6. Green, yellow, black and red are all c______.

7. The white pants are too s _______ for Jim, but the black pants are too long for him.

8. Come and see for y_______ at Xingfu Clothes Store.

9. —What’s the p_________ of this bird?   —It’s 100 yuan.

需要后下的一组药物是

A．砂仁、豆蔻、鱼腥草
B．西洋参、西红花、人参
C．车前子、葶苈子、海金沙
D．姜汁、梨汁、蜂蜜
E．阿胶、鳖甲胶、鹿角胶

锅炉滑压运行有何优点？

单位负责人的直系亲属不得担任本单位会计机构负责人。 ( )

天球是人们为研究问题的方便而假想的球体，为了确定和研究天体在替哀求上的位置和运动规律，人们规定了不同的天球坐标系，经常采用的有（）、（）、（）、（）四种。