在一盐渍土地段,地表下1.0m深度内分层取样,化验含盐成分见表,试按《岩土工程勘察规 发布时间:2017-07-20 16:40 │ 来源:www.tikuol.com 题型:问答题 问题: 在一盐渍土地段,地表下1.0m深度内分层取样,化验含盐成分见表,试按《岩土工程勘察规范》(GB 50001—2001)计算该深度范围内加权平均盐分比值,并判断该盐渍土属哪种盐渍土。
题型:问答题 KNA company wants to maintain a level of current assets at least equal to 30 percent greater than current liabilities (current assets/current liabilities=current ratio=1.3). At the end of last year, current assets were $ 300 and current liabilities were $ 250. If KNA sold some fixed assets to generate cash, what is the minimum amount they would need to sell to reach a current ratio of 1.3()A. $ 25000.B. $ 30000.C. $ 15000. 查看答案
题型:问答题 There are three people in my family, my parents and I. My name is Liu Ming. I’m a middle school 1 . I am thirteen years old. I’m 2 China, so I can speak 3 . I can speak a little English, too. My father is a teacher in a 4 . He can speak Chinese, English 5 Japanese. He teaches Japanese. He likes 6 . He can swim and play table tennis. My 7 is a secretary. 8 works in a factory. She 9 only speak Chinese. She likes music and she can sing and play the 10 .小题1:A.teacherB.doctorC.studentD.worker小题2:.A.fromB.forC.ofD.on小题3:A.ChineseB.JapaneseC.FrenchD.English小题4:.A.hospitalB.factoryC.universityD.shop小题5:A.andB.soC.butD.or小题6:A.foodB.sportsC.musicD.colour小题7:A.fatherB.motherC.sisterD.brother小题8:.A.SheB.HeC.ItD.They小题9:.A.isB.canC.doD.are小题10:.A.tennisB.footballC.basketballD.piano 查看答案
题型:问答题 (10分)在用电流表和电压表测电池电动势和内电阻的实验中:(1)请你用实线代替导线把实物图连成实验电路,注意两个电表选用适当量程,并要求滑动变阻器的滑动片在左端时其电阻值最大;(2)某同学记录的6组数据见表,试根据这些数据在图中画出U-I图线,根据图线求出电池的电动势E=_______V,内阻r=_______Ω(结果要求保留到小数点后两位)。 123456U/V1.371.321.241.161.101.05I/A0.120.200.310.320.500.57 查看答案
题型:问答题 某施工单位承担一机电工程项目安装任务。开工之前施工单位提交了施工进度网络计划,如图所示。在上述计划中,工作E与工作G共用一台200t履带吊车作业(其他工作不使用),E、G两工序不能同时或交叉进行施工。履带吊车到达现场后需要2天时间进行组装才能达到吊装条件。在施工过程中,由于建设单位改变设计,使工作B推迟10天,其他工作作业持续时间不变。完成工作E与工作G的吊装作业是否能做到连续作业,闲置台班是多少(按1天1个台班计)?说明理由。如果发生闲置,违背了施工机械管理的哪些原则? 查看答案