某同学因没吃早饭而感觉头晕,为了快速获得能量,你应该给他补充 [ ]
A.鸡蛋
B.牛奶
C.花生
D.糖水
D
小明从家出发到学校,去时步行25分钟到达,每分钟走80米,返回时骑自行车10分钟就到家了.
(1)小明从家到学校有多远?
(2)骑自行车每分钟行多少米?
They have to walk_________8 country parks and___________20 hills and mountains. [ ]
A. up; up
B. over; over
C. through; over
D. along; down