为了解房价上涨情况,某课题组近日对北京、上海、广州和深圳的房价进行调查。这种调查属于()。
A.普查
B.抽样调查
C.重点调查
D.典型调查
参考答案:D
________ by the problem that was put forward at the meeting,the people in the audience
had ________ looks on their faces.[ ]
A .Puzzled;puzzling
B.Puzzled;puzzled
C.Puzzling;puzzling
D.Puzzling;puzzled
期货公司对外发布广告宣传材料,应当自发布之日起()个工作日内报住所地的中国证监会派出机构备案。
A.3
B.5
C.7
D.10