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【单选题】
具有联缀四肢百骸、主司关节运动作用的是
A.
十二经脉
B.
十二经筋
C.
十二
D.
十二
E.
十五别络
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知识点:
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【单选题】对剪力和弯矩的关系,下列说法正确的是
A.
同一段梁上,剪力为正,弯矩也必为正
B.
同一段梁上,剪力为正,弯矩必为负
C.
同一段梁上,弯矩的正负不能由剪力唯一确定
D.
剪力为零处, 弯矩也必为零
【多选题】主要供残疾人使用的走道与地面应符合以下规定( )
A.
走道宽度应不小于1.5m,且走道两侧应设扶手
B.
走道两侧墙面应设高0.35m的护墙板
C.
走道与室内地面应选用遇水不滑的材料
D.
走道内照度不小于120Lx
E.
走道一侧与其他地坪有高差时应设栏杆等防护设施
【多选题】对剪力和弯矩的关系,下列说法不正确的是( )。
A.
同一段梁上,剪力为正,弯矩也必为正
B.
同一段梁上,剪力为正,弯矩必为负
C.
同一段梁上,弯矩的正负不能由剪力唯一确定
D.
剪力为零处,弯矩也必为零
【单选题】对剪力和弯矩的关系,下列说法正确的是( )
A.
同一段梁上 剪力为正,弯矩必定为正
B.
同一段梁上 剪力为正,弯矩必定为负
C.
同一段梁上 ,弯矩正负不能由剪力唯一确定
D.
剪力为零处,弯矩必为零
【简答题】阅读理解。 根据下面短文内容,选择合适答案。 George liked flying a plane. Once he bought a small plane and learned how to fly it. He soon became so good that he could make his plane do all kinds of tricks(技巧). George had a...
【简答题】用所给词的适当形式填空。 1  Thank you for your _______   (invite). 2.  On Wednesday, she has tennis_______  (train) with the school team. 3.  The boy often_______ (train) his pet dog to stand on its hind(后部的)legs...
【单选题】听力原文:M: would you like to try the banana pie? It's incredible. W: well, to tell' the truth. I don't care much for desserts. What does the woman say about the banana pie?
A.
It doesn't appeal to her.
B.
It's incredibly delicious.
C.
She has already tasted it.
D.
There is no more left.
【简答题】用所给词的适当形式填空。 1. This is her tr avel plan. (family) 2. They (visit) the West Lake last Friday. 3. The boys (talk) about the famous places in the world now. 4. Lucy to Hangzhou by plane tomorrow. ( go) ...
【单选题】巴彦地区为提高玉米产量,有巴彦农业局牵头、鑫鑫种业引导在当地玉米技术合作宣传中心的免费指导下,为巴彦地区的农民进行真假种子鉴别技术进行指导,当地销售鑫鑫种业的富源农资经销店给予场所支持。请指出里面的生产者市场。
A.
鑫鑫种业
B.
巴彦农业局
C.
当地玉米技术合作宣传中心
D.
富源农资经销店
【单选题】(逆矩阵行列式)设A、 B 为三阶矩阵,且 , ,求 的值。
A.
24
B.
- 24
C.
12
D.
- 12
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