后轮胎爆裂时，驾驶人要如何处置
A．迅速转动转向盘调整
B．控制行驶方向并慢慢减速
C．迅速向相反方向转动转向盘
D．迅速采取制动措施
参考答案：B
------He was _____ tired ______ he fell asleep as soon as he lay down.
-------Oh ,we can go out and let him have a good rest.
A．too ,to
B．so, that
C．enough ,to
D．such ,that
现代剪切机刀片的剪切角一般为（）。
A、1°～3°
B、2°～3°
C、3°～4°
D、3°～5°
