机动车遇行人正在通过人行横道要做什么
A．停车让行
B．绕行通过
C．持续鸣喇叭通过
D．提前加速通过
参考答案：A
–My son is learning English. What dictionary shall I buy for him?.
--What about this one? It is __________ beginners.
A．intended to
B．meant to
C．intended for
D．operated for
闪光对焊接头处的钢筋弯折不得大于( )，否则切除重焊。
A．5°
B．4°
C．3°
D．2°
