与血和津液生成关系最密切的脏是（）
A.脾
B.肾
C.肝
D.心
E.肺
参考答案：A
--- Hello, this is Lily speaking. Could I speak to Mr. Black?
--- Sorry. He ______ the Xuanwu Lake Park.
A．has been to
B．went to
C．has gone to
D．will go to
甲、乙两车同时从A城前往B城，甲车每小时行35千米，乙车每小时行40千米，结果乙车比甲车提前半小时到达B城。问A、B两城间的路程有多少千米？
