题干
—___________ is it from your home to school?
—Ten minutes on foot.
A：How long
B：How far
C：How soon
D：How many minutes
答案(点此获取答案解析）
B
—___________ is it from your home to school?
—Ten minutes on foot.
A：How long
B：How far
C：How soon
D：How many minutes
中1 mol H－O键形成时放出热量463 kJ，则氢气