计量检定活动必须受国家计量法律、法规和规章的约束,按照()的原则、就地就近进行。
A.行政区划
B.部门管辖
C.专业匹配
D.经济合理
参考答案:D
—The problem isn't difficult for the children to work out, is it?
—_____ . Perhaps they should have been given a more difficult one.
A.Yes, it is
B.Yes, it isn't
C.No, it is
D.No, it isn't
磐安县素有“群山之祖,诸水之源”,境内有多个水系,但不包括()。
A.钱塘江
B.瓯江
C.椒江
D.甬江