【判断题】The clothing in the Song Dynasty was generally more conservative than in the Tang Dynasty.
【单选题】In the Song Dynasty Bi Sheng invented printing.
【判断题】he Chinese had the best ships in the world in the Song Dynasty.
【单选题】最佳接收准则构成的接收机可以获得( )。
【判断题】Poetry was as flourishing in the Song Dynasty as it was in the Tang Dynasty.
【多选题】某电梯厂严某一人前去住宅楼修理电梯,严某用三角钥匙打开二十层厅门,想观察轿厢所在位置,由于开门用力过猛,人体重心前倾失稳,即从二十层高处坠落,撞击停在三层的轿厢顶上,又从轿厢顶上弹出坠入井道死亡
【单选题】一成人携带三名1.09m、1.10m、1.30m的儿童进站接人,在车站应购买()站台票。
【多选题】某电梯厂严某一人前去住宅楼修理电梯,严某用三角钥匙打开二十层厅门,向观察轿厢所在位置,由于开门用力过猛,人体重心前倾失稳,即从二十层高处坠落,撞击停在三层的轿厢顶上,又从轿厢顶上弹出坠入井道死亡。()
A.
违反使用三角三角钥匙打开层门的安全操作规定。
【单选题】Who didn’t live in the Song Dynasty?