【简答题】听力原文:F:Hello,this is Anna Beara from Excellerator Co.calling.May I speak to Mr.Mitche? M:Hello Ms.Beara,this is Arthur Mitchell. F:Hello,I'd like to place an order for a number of your Millennium desk...
【简答题】某水库大坝为混凝土拱坝,总库容为0.75×10 8 m 3 ,正常蓄水位为378.00m,消能防冲设计洪水位为380.00m,设计洪水位为382.00m,校核洪水位为383.00m。泄流方式采用短有压深式泄水孔(喇叭形进口),共3孔,每孔净宽(出口净宽)为3.00m,出口孔底高程为350.00m,出口孔顶高程为353.00m;以1:3的坡度下接消力池,消力池宽度为15.00m,消力池底板顶高程为3...
【简答题】用动词be的适当形式完成句子。 1.—______ Guo Peng your brother? —No, he isn't. 2. Anna and Alice ______ my good friends. 3. These ______ our teachers. They are all here. 4. The boy ______ Paul. The girl ______ Mary....