鼓膜完整，传导性耳聋可见于
A．分泌性中耳炎
B．鼓室硬化
C．耳硬化症
D．听骨链中断
E．胆固醇肉芽肿
参考答案：A, B, C, D, E
Mother told me ______ near the river.
A．don’t play
B．not to play
C．not play
D．not playing
The mother was trembling with anger. She _____ her son and said nothing.
A．looked at
B．stared at
C．glared at
D．glanced at
