—What's this in English?
—_____.[ ]
A. It's book.
B. This's a book.
C. It's a book.
答案:C
虽患伤食伤乳,但因便秘而不宜用的成药是
A.小儿消食片B.小儿化滞散C.健胃消食片D.小儿胃宝丸E.小儿健胃糖浆
按照火山碎屑物的主要搬运和沉积方式,可划分为()、()和()三种成因类型。