我国现存最早的医书是()。
A.《黄帝内经》
B.《伤寒杂病论》
C.《千金方》
D.《本草纲目》
参考答案:A
解析:《黄帝内经》是我国医学宝库中现存成书最早的一部医学典籍。故选A。
-I'm sorry I can't go to your party tonight.
-________? Haven't we agreed on it?[ ]
A.What is it
B.Why don't you
C.What do you think
D.How is it