著名历史典故“烽火戏诸侯”发生在周朝国君（）执政时期。
A、周幽王
B、周宣王
C、周康王
D、周穆王
参考答案：A
Excuse me, Marcia, a reporter from Vanity Fair all day. Could you speak to her now?[ ]
A. phones
B. has phoned
C. has been phoning
D. phoned
以碳素工具钢为材料的刀具应用范围有：铰刀，锯条（）.等
A.板牙
B.车头刀
C.钻头
D.铣刀
