具有中枢兴奋作用的中药是（）
A.知母
B.麝香
C.羚羊角
D.苦参
E.金银花
参考答案：B
世界上跨经度最广的大洋是[ ]
A．太平洋
B．北冰洋
C．大西洋
D．印度洋
The Prime Minister ________ by saying that he was satisfied with his visit in China.[ ]
A. concluded
B. conducted
C. considered
D. confused
