—Who is _____?
—It's Jim. [ ]
A. he
B. she
C. it
D. his
答案:C
浙贝母的功效是()。
A.清热化痰
B.润肺止咳
C.散结消痈
D.利咽排脓
E.宽胸散结
除油用覆盖过滤器的滤料采用活性炭粉末的原因有哪些?