具有清热定惊、平喘、通络利尿功效的药物是()
A.地龙
B.全蝎
C.蜈蚣
D.钩藤
E.僵蚕
参考答案:A
Can you provide us ___ some information _____ the computer?
A.for, with
B.with, about
C.about, with
D.with, with
在抽样调查中,已知历史若干方差资料,应取()
A.平均数
B.最小值
C.最大值
D.中间那个