一个坏了的水龙头每分要白白流掉68克水,1时浪费掉多少克水?
1小时=60分钟,
60×68=4080(克);
答:1时浪费掉4080克水.
—Did they have fun _______ the summer Palace ?
—Yes. They really enjoyed themselves there.
A.visit
B.visited
C.to visit
D.visiting
我国实行民族区域自治的民族原则,保护少数民族的权利。