搜题请搜索小程序“爱下问搜题”
问题 单项选择题

关于血友病A正确的是（）

A.库存血输血对止血有效

B.凝血异常加正常血清能纠正

C.毛细血管脆性试验阳性

D.第Ⅷ因子相关抗原减少

E.活化部分凝血活酶时间延长

答案

参考答案：E

选择题
—What's the matter? You really look down. 
— _________.

A. Why, I always look up to you
B. Me? I never look down upon anybody
C. I am looking for my pen on the floor
D. I failed an important test
查看答案
选择题

—What's your home like?

—I live in ________. There are many chickens in the yard. [ ]

A. a farmhouse

B. a townhouse

C. an apartment

D. a dormitory

查看答案