周边眼以（）起爆为宜，当软岩隧道必须对爆破震动加以控制时，周边眼可根据地质条件分组起爆。
A、多次
B、二次
C、一次同时
D、依次
参考答案：C
How many ____ are there and _____ milk is there in the bottle?
A．water how many
B．cup of water how much
C．cups of water how much
D．cups of water how many
喉返神经受压或损害时，最早出现麻痹的肌肉是
A．外展肌
B．咽缩肌
C．内收肌
D．环甲肌
E．以上都不是
