【单选题】It ____ now pretty late, we took our things and retired to our room.
【判断题】容量瓶是常用的测量液体体积的一种容量器皿。它是一个细长颈梨形平底瓶,带有磨口玻塞或塑料塞。在其颈上有一标线,在指定温度下,当溶液充满至弯月液面与标线相切时,所容纳的溶液体积等于瓶颈上标示的体积。()
【简答题】容量瓶是常用的测量容纳 的一种容量器皿。它是一个细长颈梨形平底瓶,带有磨口玻塞或塑料塞。在其颈上有一 ,在指定温度下,当溶液充满至 与标线相切时,所容纳的溶液体积等于瓶颈上标示的体积。
【单选题】It ______ now pretty late, we took our candles and retired to our room.
【单选题】We hope our latest computers will sell ____ in your market.
【单选题】We have to ______ our hope of reaching the production target this year.