题干
I don't junk food. It's bad for your health.
A：take care
B：agree with
C：worry about
D：care for
答案(点此获取答案解析）
D
I don't junk food. It's bad for your health.
A：take care
B：agree with
C：worry about
D：care for
列关于蹬地和离地上升两个过程的说法正确的是(忽略空气阻力) （ ）