力士香皂的广告语是国际著名影星娜塔莎金斯的一句话“我只用力士”。上海利华公司对此广告语的广告效果进行市场研究。问题:
此项调查一般可采用哪些形式进行
参考答案:
There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.
A.was occurred; which
B.was occurred; in which
C.occurred; which
D.occurred; in which
关于强制性检定,下列说法正确的是()。
A.强制检定是固定检定关系
B.强制检定应固定检定人员
C.强制检定实行定点定期
D.使用单位选择检定机构
E.强制检定是由政府计量行政主管部门强制实施