儿童Marasmus主要临床表现是（）
A.水肿
B.干瘦
C.脂肪肝
D.无食欲
E.体重略有降低
参考答案：B
MBC的含义是（）
A.最低抑菌浓度
B.最低杀菌浓度
C.最高抑菌浓度
D.最高杀菌浓度
E.最低稀释浓度
— My brother fell off his bike and hurt his legs. — .
A．That’s too bad
B．He is too careless
C．He should be careful
D．I am sorry to hear that
