急性再障感染最多见于()
A.皮肤黏膜
B.呼吸道
C.颅内
D.肛周感染
E.肠道
参考答案:B
I can't advise you what to do. You must use your own _____.
A.opinion
B.guesswork
C.justice
D.judgment
瓷质卫生陶瓷的吸水率要求不大于()。
A.25%
B.10%
C.1%
D.0.5%