【单选题】My name is Dora. I’m American and I’m thirteen. I’m a student in No. 7 Middle School. I like music very much. I can play two instruments — the guitar and the piano. I play them very well and I’m in th...
【简答题】阅读理解。 Jim is a basketball fan. He is very good at (擅长) playing basketball. Michael Jordan (乔丹) is his favorite basketball player. Michael Jordan is an American (美国人). Jim is in the school basketball ...
【简答题】如图所示:此横断面的里程为 ,中心填挖高度为 m ;此路基形式为 ;路肩高程为 m , I 线中心线下地面高程为 m ;路基面宽度为 m ,路基面上设置的 % 型排水坡;双线线间距 m ;堤坡坡率为 ,堑坡坡率为 ,其边坡均进行了防护,堑坡采用了 形式,堤坡采用了 形式;路堑边坡平台宽为 m ,路堑侧沟外平台宽 m ;基床表层填 ,基床底层填 ;设置的排水设备为 ; M7.5 水泥砂浆砌片石孔窗式...