临界胶团浓度的英文缩写是（）
A.CMC
B.GMP
C.HLB
D.USP
E.JP
参考答案：A
黑痣发生恶变时，哪一条是( )正确的?（）
A.迅速增大
B.色素突然增加
C.周围出现卫星状小痣
D.表面小黑头破溃溢出豆渣样物
E.局部淋巴结肿大
13. In common ______ other boys of his age, my young son is looking forward to _______ the permission to date.
A． to; be given
B．with; being given
C．like; being given
D．as; be given
to; be given