每100ml母乳产生的热量约为（）
A.251kJ
B.209kJ
C.285kJ
D.314kJ
E.335kJ
参考答案：C
Neither you or he _______ Hawaii before. This time your dream will come true. [ ]
A. has gone to
B. have gone to
C. has been to
地图上某地的面积为100cm2，比例尺是1：500，则某地的实际面积是______平方米．
