下列关于栽植树木正确的是( ) 下列关于栽植树木正确的是( )A.一般要求树槽直径应较根系和土球直径加大150~200mm,深度加100~150mm。树穴宽度应在土球外两侧各加100mm,深 分类:成人英语三级 题型:单选题 查看答案
后张法预应力施工中,预应力筋张拉后应及时进行孔道压浆,下列关于孔道压浆说法错误的是( )。 后张法预应力施工中,预应力筋张拉后应及时进行孔道压浆,下列关于孔道压浆说法错误的是( )。A.当白天气温高于35℃时,压浆宜在夜间进行 B.压浆完成24小时以 分类:成人英语三级 题型:单选题 查看答案
At present time, people have a trend to live in the ________ At present time, people have a trend to live in the _________A.suburb B.suburbs 分类:成人英语三级 题型:单选题 查看答案
The search was_________when the fog got thicker. The search was_________when the fog got thicker.A.called off B.called on C.calle 分类:成人英语三级 题型:单选题 查看答案
_________work has been done to improve people' s living stan _________work has been done to improve people' s living standard.A.Many B.A grea 分类:成人英语三级 题型:单选题 查看答案