单频激光干涉仪的测量原理是()
A、波长法
B、信号接收法
C、干涉计数法
D、光电转法
参考答案:C
_____, he’s honest.
A.As he is poor
B.Poor is he
C.Poor as he is
D.Poor as is he
按照现行政策规定,对购买首套自住房且套型建筑面积在____平方米以上的家庭,贷款首付款比例不得低于____。()
A.90;30%
B.120;50%
C.90;40%
D.120;40%