如挤压机出口水含量高则应该（）或（）。
参考答案：关小锥体；清理笼条积胶
The child asked his mother _________ go out to play tennis.
A．that he could
B．if he could
C．if could he
D．that could he
肖邦是（）著名的钢琴家、作曲家。他一生创作了大量的钢琴作品，代表作有（）等。
