【单选题】【消耗次数:1】
引水式开发方式适用于以下哪种情况?:。
A较弯曲、落差较大的河段
B河道坡降较缓,流量较大的平原河段。
C河道坡降较陡,流量较小的山区性河段。
D河道坡降较陡,流量较大的山区性河段。
参考答案:
复制
纠错
相关题目
【单选题】 坝式开发方式适用于下面哪种情况?:。
①  A河道坡降较缓,流量较小,有筑坝建库条件的河段
②  B河道坡降较缓,流量较大,有筑坝建库条件的河段
③  C河道坡降较陡,流量较小的山区性河段
④  D河道坡降较陡,流量较大的山区性河段
【判断题】 对于部分河道上的枢纽性工程,存在枢纽工程与上下游河道分属不同层级政府批复的情况,应将枢纽工程上下游管理与保护范围内河段作为一个整体进行划界。
①  正确
②  错误
【判断题】 河道在保证水位时能安全宣泄的最大流量称河道安全泄量。
①  正确
②  错误
【判断题】 生态流量补偿技术对河道生态系统存在严重的破坏性。
①  正确
②  错误
【判断题】 达西定律适用于层流状态,对密实黏土渗透流速与水力坡降关系可简化为过原点的直线。()
①  正确
②  错误
【判断题】 达西定律适用于层流状态,对密实黏土渗透流速与水力坡降关系可简化为过原点的直线。()
①  正确
②  错误
【单选题】 当路堤基底横坡陡于()时,基底坡面应挖成台阶
①  A、1:25
②  B、1:5
③  C、1:4
④  D、1:3
【判断题】 果皮表面果点较大且较密的品种最好选择遮光性强的果袋
①  正确
②  错误
【单选题】 数控机床较适用于__零件的加工。
①  小批量
②  复杂型面
③  大批量
【判断题】 数控机床较适用于大批量零件的加工。
①  正确
②  错误
随机题目
【单选题】 12. I’m very sorry to have _______ you with so many questions on such an occasion.
①  interfered
②  offended
③  impressed
④  bothered
【单选题】 7. It is so quiet that you can hear a pin ______.
①  dropping
②  . dropped
③  drop
④  drops
【单选题】 4. The instructor watched the student ____ the test.
①  to take
②  take
③  takes
④  took
【单选题】 20. _____ the sight of the poor and the sick, the government had no way out but to decided to reform..
①  Seeing
②  Confronted with
③  Confronting
④  Looking at
【单选题】 1. Decide which of the following best states the authors purpose of writing?
①  To express his anguish of movig from his old home
②  To describe the laughter and tears of the four generations of his family
③  to explain the real meaning of his grandpas wordsneversay googbye‘
④  To tell the story of his grandpas death
【单选题】 21. Take good care to _____ your jewelry before going on away on holiday..
①  safe
②  lock in
③  lock away
④  lock with
【单选题】 16. He was put into prison, but he never _____ ,and continued his fight.
①  gave up
②  gave in
③  stopped
④  gave way
【单选题】 The date is put at the [] corner.
①  upper right-hand
②  upper left-hand
【单选题】 Yours Sincerely is called [].
①  greeting
②  date
③  complimentary close
【判断题】 If too many details are retained in a precis, it can hardly be considered a good precis.
①  正确
②  错误