骨与关节结核最常见的发生部位()。
A.脊柱椎体
B.膝关节
C.髋关节
D.踝关节
E.腕关节
参考答案:A
Chan’s restaurant on Baker Street, __________ used to be poorly run, is now a successful business.
A.that
B.which
C.who
D.where
洛贝林肌内注射时一日极量是()
A.3mg
B.6mg
C.10mg
D.20mg
E.50mg