【简答题】已知集合 ,若 ,则实数a的取值范围是 。
【简答题】A Read the questions and watch the video.Then circle PG for Peter Gabrielor, MC for Marcello Colasurdo. 1. Who co-founded WOMAD? PG or MC 2. Who is preparing to perform at WOMAD? PG or MC 3. Who c...
【简答题】Complete the subtitles Watch the video, then go through the text and complete the missing subtitles to have a clear structure of the expository writing. 1. Naming By now you’ve probably heard of COVID...
【简答题】已知集合 , ,若 ,则实数a的取值范围是 .
【简答题】已知集合A= x|x>a ,集合B= .若B A,则实数a的取值范围是a多少?
【简答题】Watch
the video clip and answer the following questions with two short paragraphs: 1.Can man conquer Video-home.mp4 nature? 2.How shall we promote peaceful co-existence with nature?
【单选题】流动资产的保险金额可以通过被保险人物化流动资产最近( )个月的平均账面余额投保。
【判断题】( )2.对于负载而言,实际电源既可用电压源表示,也可用电流源表示。
【单选题】AutoCAD修剪(左手键命令)为: 。