题干
Judy, don't put your keys here. _____, please.
A：Put them away
B：Put up them
C：Put them up
D：Put away them
答案(点此获取答案解析）
A
Judy, don't put your keys here. _____, please.
A：Put them away
B：Put up them
C：Put them up
D：Put away them
的摩擦因数相同，当圆盘转动到两个物体刚好还未发生滑动时，烧断细线，两个物体的运动情况是 （ ）
