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4.对于薄壁堰,在堰宽b、堰高P和堰上水头H相同的情况下,完全堰的过流能力比侧收堰的过流能力大。



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  • 12、在Excel 2010中,若需要选择多个不连续的单元格区域,除选择第一个区域外,以后每选择一个区域都要同时按住______。 A.Shift键 B.Ctrl键 C.Alt键 D.ESC键计算机统考
  • 在微机中,与VGA、SVGA密切相关的设备是_____。 计算机应用基础
  • 5、在Windows中,图2-49所示的5个鼠标指针状态的正确描述依次是______。 A.正常选择﹑求助﹑后台运行﹑等待﹑精确定位 B.正常选择﹑后台运行﹑求助﹑等待﹑精确定位 C.正常选择﹑后台运行﹑等待﹑求助﹑精确定位 D.正常选择﹑等待﹑后台运行﹑求助﹑精确定位计算机统考
  • 题型描述: 十选项完形填空More and more teachers and parents have noticed another kind of pollution, _ _ _ _ came from the printed papers sold on streets.These printed things look like newspaper but have hardly anything to do with them. You can only find reading materials badly _ _ _ _ there----some are too strange for anyone to believe, _ _ _ _ are frightening stories of something even worse. However, many of the young students are getting absorbed in such poisonous reading, which costs them what they should pay for their breakfast and bring them nightmares and immoral ideas _ _ _ _ return. Homework is left undone, daily games lost.These sellers shout on streets selling their papers well. The writers, publishers and printers, _ _ _ _ they are, we never know, are making their silent money. The sheep skinned wolfˊs stories seem to have been forgotten once again.Why not forbid this kind of things at school? Yes, both teachers and parents have _ _ _ _ each other for more strict control of the young readers. Yet unfortunately, _ _ _ _ you want to forbid it, the more they want to have a look at it. Sometimes you may even find several children share one patched paper, which has traveled from one hand to _ _ _ _ driven by the curious nature.It really does harm to our society. It has already formed a sort of moral pollution. The _ _ _ _ teachers and parents need more powerful support. Meanwhile, the young readers need more interesting books to help them _ _ _ _ these ugly papers.1、 A. it B. this pollution C. which D. that 2、 A. made of B. made in C. made from D. made up 3、 A. others B. some others C. the other D. the others 4、 A. in B. for C. from D. as 5、 A. however B. whoever C. however D. whichever 6、 A. persuaded B. advised C. warned D. asked 7、 A. one B. the more C. if D. only when 8、 A. another B. some others C. the others D. others 9、 A. worried B. disappointed C. anxious D. puzzled 10、 A. throw away B. destroy C. fight against D. get rid of统考英语B
  • 下列()花卉最适合南方夏季花坛布置。(A) 雏菊、金盏菊、金鱼草、藿香蓟 (B) 雏菊、金盏菊、三色堇、桂竹香 (C) 矮牵牛、三色堇、香雪球、藿香蓟 (D) 太阳花、鸡冠花、千日红、彩叶草花卉学
  • 30、在Excel 2010的自动筛选中,所选数据表中的每个标题(属性名)都对应着一个______。 A.窗口 B.对话框 C.工具栏 D.下拉菜单计算机统考