创伤性休克的急救，主要措施是（）
A.制止出血，补充血容量
B.及时手术
C.分级后送
D.应用抗休克药物
E.尽快包扎伤口
参考答案：A
角是从一点引出的两直线所组成的图形．______．
We would not __________ such hard work. It’s impossible for us to complete it in such a short time.
A．take in
B．take off
C．take on
D．take down
