日期1900-1-20在系统内部存储的是（）
A.1900-1-20
B.1900，1，20
C.1，20，1900
D.20
参考答案：D
—MaYun is a_________ businessman. He can always deal with many problems______ .
A．success, successfully
B．successful, successfully
C．succeed, successful
D．successful, success
三传
