①水和糖类、蛋白质脂肪一样,为人体提供能量
②没有水,人体内大部分化学反应就不能进行
③人体缺水时，体内的水全部以结合水的形式存在
④体内营养物质的运输离不开水
A：①②
B：②③
C：②④
D：③④
Ben's vacation plans
First:
He will go to a(n) ____ place to relax himself.
He will stay there for____.
Next：
He will watch movies and videos with ____.
Then:
He will ____with his mother.
At last: He will stay at home to finish ____.
