A．被压瘪的皮球
B．正在上升的气球
C．被举着的杠铃
D．在平地上滚动的足球
答案：B
心肌病也称原发性心肌病，是一组_____。
_______ your diet, it is easy to reduce.
A．Watching
B．To be watching
C．If you watch
D．To have watched
