【单选题】I haven’t got a single from Uncle Sam since I saw him last time.
【简答题】挠性联轴器按其组成中是否具有弹性元件,可分为无弹性元件的挠性联轴器和 联轴器两大类。
【简答题】挠性联轴器按其组成中是否具有弹性元件,可分为()可移式联轴器(即无弹性元件的挠性联轴器)和()可移式联轴器(即有弹性元件的挠性联轴器)两大类。
【单选题】I _____ Spanish quite fluently, but I haven’t got a chance to use it since I moved to Brazil.
【简答题】挠性联轴器按其组成中是否具有弹性元件,可分为 联轴器和 联轴器两大类。
【判断题】挠性联轴器按其组成中是否具有弹性元件,可分为无弹性元件的挠性(刚性可移式)联轴器、有弹性元件的挠性(弹性)联轴器两大类。( )
【单选题】I have got _____beef for lunch, but I haven’t got ______tomatoes.
【单选题】— What’s Lisa’s opinion? — Sorry, I don’t know. I haven’t got her reply ____.
【单选题】I haven’t got enough money to buy it.
【简答题】挠性联轴器按其组成中是否具有弹性元件,可分为 联轴器和 联轴器两大类。