我国现存最早的完整本草是
A.《图经本草》B.《本草经集注》C.《证类本草》D.《本草纲目》E.《神农本草经》
参考答案:C
237. Our teacher will _____ our class a picnic at the riverside tomorrow if the weather permits.
A.organize
B.order
C.arrange
D.Operate
(EMB145)增压系统有()个外流活门。
A.一个
B.两个
C.三个