* * 脓肿切开引流取()
A. * * 放射状切口
B. * * 梭形切口
C. * * 下缘弧形切口
D.乳晕部弧形切口
E.乳晕边缘弧形切口
参考答案:A
Steven ________ since he got out of work three weeks ago.[ ]
A. has been unemployed
B. was unemployed
C. had been unemployed
D. has unemployed
伤后第一个24小时补液量
A.8000ml
B.6825ml
C.4550ml
D.8825ml
E.7860ml