本初子午线穿过的大洲是[ ]
A．亚洲、欧洲
B．北美洲、南美洲
C．欧洲、非洲
D．非洲、大洋洲
答案：C
– Have you ____ your brother to give up smoking?
-- No. I talked to him yesterday but he would have none of my advice.
A．persuaded
B．advised
C．promised
D．suggested
塔式起重机安装、拆卸高处作业时，必须是（）
A.工作人员穿宽松衣服
B.工作人员系安全带
C.工作人员穿防滑鞋
D.工作人员戴安全帽
