我国最新研制的戊肝疫苗的适用人群为()。
A、0-6岁
B、1岁以上
C、16岁以上
D、各年龄段人群
参考答案:C
89. His term papers mainly _____ the history of social developments in Song dynasty.
A.does with
B.treats
C.deals with
D.Deals
运动量大对健身更有效。