尿结石的形成部位是
A.肾B.膀胱C.肾、输尿管、膀胱及 * * D.肾和膀胱E.以上都不是
参考答案:D
The guest team was beaten by the host team 2 ______ 4 in last year's CFA Cup Final.
A.over
B.in
C.to
D.against
已知炼焦煤气的含湿量d=0.01kg/m3,其密度为0.4686kg/m3,则湿燃气的密度为()kg/m3。
A.0.428
B.0.478
C.0.526
D.0.617