【单选题】I went on vacation ____ last Friday.
【单选题】They ____________ their performances despite rain.
【单选题】The alarm_______ when the thieves went into the office.
【单选题】After a short rest, they ________. [ ]
【单选题】50-75mm的外径千分尺校零时在开口内放置一个标准的50mm校正器,并让棘轮定位器自由转动( )圈
【单选题】Camp meetings often ______ for several days.
【单选题】斜弯曲梁的横截面为菱形,长对角线方向的轴为 x ,短对角线方向的轴为 y ,菱形的边与 x 轴成 30 °,弯矩矢量也与 x 轴成 30 °,该截面上最大正应点的位置为:
【判断题】测定PM2.5时,滤膜采集后,如不能立即称重,应在0°C条件下冷藏保存。
【简答题】句型转换(每题1分,共5分) 小题1:I went to New York City on vacation last year. (划线提问) you on vacation last year? 小题2:She is from English, but she speaks Chinese well. (同义句) She speaks Chinese well, she is from Eng...
【简答题】A. went round B. went back C. went away D. went though