题干
It's good _____ you to keep a diary.
A：for
B：of
C：to
D：on
答案(点此获取答案解析）
A
It's good _____ you to keep a diary.
A：for
B：of
C：to
D：on
中1 mol H－O键形成时放出热量463 kJ，则氢气