【单选题】听力原文:W: Air security checks in the airport always make me nervous. I'm worried that I'll set off the alarm because of my jewelry. M: No, I know I'll set off security alarm for sure. I have a steel pla...
【简答题】When traveling abroad, it is wise to carry your money in traveler's checks because checks are protected against loss or theft. If your checks are lost or stolen, the issuing authority will refund(赔偿) ...