排水量为1000t的船舶,当有货物25t向前移动20m后,船舶重心移动的情况是()
A.向前移动2m
B.向后移动2m
C.向前移动0.5m
D.向后移动0.5m
参考答案:C
现有35颗☆。把这些星平均分给4个同学,每人分几颗☆?还剩几颗☆?
Do you have some trouble friends with these foreigners?
A. making B. make C .makes