给水管配水出口应高出用水设备溢流水位,其最小间隙为给水管径的()倍。
A、4.0
B、3.0
C、2.5
D、1.5
参考答案:C
由3个一,2个十分之一和6个百分之一组成的数是______,读作______.
Many people in the city wonder _____the city officials have the information they need to solve the problem.
A.that
B.which
C.what
D.whether