失血性休克是出血占全身血容量的()。
A.10%
B.15%
C.20%
D.30%
E.40%
参考答案:C
解析:由各种原因造成失血超过全身总量20%,即出现休克。
Guangzhou was the second Chinese city to host the Asian Games because Beijing ________ the event
before.[ ]
A. had held
B. was held
C. held
D. had been held
在我国,吸收存款最多的金融机构是()
A.保险公司
B.商业银行
C.信用社
D.邮政企业