1.  >>  国家开放大学 / 土木工程力学(本)
 国家开放大学 / 土木工程力学(本)

一个平面体系的计算自由度W0,则该体系是(  )。


A.无多余约束的几何不变体系
B.瞬变体系
C.有多余约束的几何不变体系
D.可变体系
 参考答案:
 佳题速递:
  • 微机械陀螺的工作原理是基于经典力学的牛顿第2定律,通过一定形式的装置产生并检测哥氏加速度。 传感器与测试技术
  • 4、下列地址格式是有效FTP地址格式的是____。 A.ftp://foolish.6600.org B.http://foolish.6600.org C.Smtp:// foolish.6600.org D.Tcp:// foolish.6600.org计算机统考
  • 126、在计算机中,操作系统是一种______。 A.调试软件 B.应用软件 C.系统软件 D.工具软件计算机统考
  • 五四运动的直接导火索,是巴黎和会上中国外交的失败正确错误中国近现代史纲要
  • 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. worried B. puzzled C. anxious D. disappointed 2、 A. made in B. made up C. made of D. made from 3、 A. one B. if C. only when D. the more 4、 A. whoever B. however C. whichever D. however 5、 A. others B. some others C. the others D. another 6、 A. the other B. some others C. others D. the others 7、 A. persuaded B. advised C. asked D. warned 8、 A. which B. it C. this pollution D. that 9、 A. in B. as C. from D. for 10、 A. throw away B. fight against C. get rid of D. destroy统考英语A
  • 94、8个字节含______二进制位。 A.8个 B.16个 C.64个 D.32个计算机统考