被称为中药学巨著的医书是
A．《本草纲目》
B．《重修政和本草》
C．《本经》
D．《本草经集注》
E．以上均不是
参考答案：A
What an important role the Internet _____ in our life! One can hardly imagine ____ life would be like without it.
A．plays, how
B．is, however
C．uses, what
D．plays, what
概念同化
