拆卸滚动轴承时可先用100℃的热油浇在轴承的外圈上，使外圈膨胀后再拿出内圈。（）
参考答案：错
Han Han is one of _______________ teenager writers today, though some old writers don’t like him very much.
A．more famous
B．more famous
C．the most famous
D．famous
There are all kinds of ______ in the world. [ ]
A. sounds
B. voices
C. noisy
D. noises.
