临床上常用的安灭菌(阿莫西林/克拉维酸钾)中,阿莫西林与克拉维酸钾的比例为()
A.1:1
B.2:1
C.4:1
D.5:1
E.7:1
参考答案:D
—She looks very happy. She ______ have passed the exam.
--I guess so. It’s not difficult after all.
A.should
B.could
C.must
D.might
“屈肘位截瘫”损伤的节段可能为()
A.C3
B.C4
C.C5
D.C6
E.C7