需要"包煎"的药物是()
A.生石膏
B.薄荷
C.旋覆花
D.三七
E.阿胶
参考答案:C
Our summer holiday is coming. Two ______ the students in our school will go to the beach. [ ]
A. hundred
B. hundreds
C. hundred of
D. hundreds of
人体皮肤的糖原含量最高的时期是()
A.胎儿期
B.少年期
C.青年期
D.老年期