具有行气,杀虫作用的药物是
A.乌药B.川楝子C.花椒D.虎杖E.苦楝皮
参考答案:B
______seems to be no possibility that the student majoring in liberal-arts can win the first prize in the100-meter race.
A.What
B.Whether
C.That
D.There
简述会议接待工作及礼仪。