【判断题】【消耗次数：1】
任何三铰拱的合理拱轴都是二次抛物线。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
三铰拱的合理拱轴其各截面 （ ）
①
弯矩、剪力均较小，而轴力较大
②
弯矩、轴力均较小，而剪力较大
③
弯矩、剪力均等于零，只有轴力
④
弯矩、轴力均等于零，只有剪力
【单选题】
对称抛物线三铰拱在满跨竖向均布荷载作用下，其截面内力特点是（ ）。
①
弯矩=0.剪力=0，轴力≠0
②
弯矩=0，剪力≠0，轴力≠0
③
弯矩≠0，剪力=0，轴力=0
④
弯矩≠0，剪力≠0，轴力≠0
随机题目
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14. I’m confident that you are _______a good job at your new position.
①
able of doing
②
capable of doing
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capable to do
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able at doing
【单选题】
8.______ your request for a make-up test, we have referred the matter to the school authority.
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For the purpose of
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With regard to
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In view of
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30. Mary is ______ hardworking than her sister, but she failed in the exam.
①
no less
②
no more
③
not less
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not so
【单选题】
20._____your poor record at school, we think you should study more.
①
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Within view of
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25.If you explained the situation to your lawyer, he ______ able to advise you much better than I can.
①
will be
②
was
③
would be
④
were
【单选题】
5. The rescue team set out for the earth-stricken area _______ the constant aftershocks.
①
in spite
②
despite of
③
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④
but for
【单选题】
12. If you _______materials from other books in your paper, you should mark them out.
①
cite
②
learn
③
borrow
④
assure
【单选题】
11.In general she is amiable, but ______she is not her own self.
①
in time
②
on time
③
at times
④
by time