【单选题】
绘制工程图应使用制图标准中规定的幅面尺寸,其中A2幅面的尺寸为:[填空]
【单选题】
一物体图上长度标注为2000,其比例为1﹕5,则其实际大小为[填空]
【单选题】
如果物体的长度为1000mm,绘图比例是1:20,则在绘图时其长度应取:[填空]
【单选题】
施工平面图中标注的尺寸只有数量没有单位,按国家标准规定单位应该是[填空]。
【单选题】
---I think we’ve met somewhere before.---No, _________.
④
I don’t think I know you
【单选题】
A: How long have you been here?B: Not for long, only about five minutes. Alice and Monica ______ here with me.
【单选题】
---I hear Faulen has taken up his business in London. ---Really? He has no business _________ and I’m sure he’ll fail.
【单选题】
Drive _____ until you come to the small town, which lies about 100 kilometers _____ London.