生产8.5tDTY产品耗用POY原料为8.63t,则DTY吨产品消耗原丝为()。
A.0.13t/t
B.0.68t/t
C.1.015t/t
D.1.04t/t
参考答案:C
You’d better not call me up between 7 and 8 this evening, for I ____ an important meeting then.
A.will have
B.am having
C.will be having
D.will have had
以下属于常规高空气象探测资料调查项目的是( )。
A.云层高度
B.降水类型
C.相对湿度
D.气温