成书于宋代的本草专著有（）
A.《本草拾遗》
B.《开宝本草》
C.《本草经集注》
D.《证类本草》
E.《本草纲目》
参考答案：B, D
Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A．lose his heart
B．lose heart
C．break his heart
D．make up his mind
腓力二世，亚历山大大帝，老普林尼，君士坦丁
