【多选题】Trade shows are classified as“_____” , “________”or“_____”.
【单选题】能鉴别学业水平高低、能力强弱的测验表明其( )很高。
【简答题】能鉴别学业水平高低、能力强弱的测验表明其( )很高。
【简答题】What kinds of trade shows are there in the real world? There are ______ and Trade Only.
【单选题】下面哪个系统目录中存放了系统引导、启动时使用的一些文件和目录 ( )。
【简答题】Why do cities often promote trade shows? Cities often promote trade shows as a means of ______ .
【单选题】Which chart shows foreign trade this year?