【简答题】I have lived here —— more than twenty years.
【单选题】I have lived here ______ I was born .
【单选题】I have lived here()1997.
【简答题】门式刚架的梁、柱多采用 [填空(1)] ,可以节省材料A. 变截面杆件
【简答题】门式刚架斜梁之间一般采用______连接;吊车梁与刚架连接处栓孔一般加工成______形状。
【单选题】I have lived here for so long that I look upon the town _____ my home .
【多选题】原理图中无法引用原理图库中器件的原因可能有
【简答题】关于门式刚架中设置摇摆柱,以下( )的描述是错误的。 A )单脊双坡多跨刚架,用于有桥式吊车房屋时,刚架柱不高且风荷载不大,中柱宜采用的摇摆柱; B )摇摆柱与梁的连接构造简单; C)中柱为摇摆柱,体现“材料集中使用”原则。 D) 摇摆柱不参与抵抗侧力,截面小。
【单选题】I have lived here ____ thirty years.
【单选题】I have lived here _____ five years. [ ]