车辆下坡行驶,要适当控制车速,充分利用发动机进行制动。
参考答案:对
Michael knew he would certainly get ______ if he was late home.
A.shouting at
B.shouted at
C.to shout at
D.to be shouted at
安全帽的技术性能中的侧向刚性试验要求:在帽的两侧加力430N后,帽壳的横向最大变形不应超过(),卸载后的变形不应超过15mm。
A.60mm;
B.50mm;
C.40mm;
D.30mm。