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【单选题】
铰结点的特点是( )A.
各杆之间的夹角保持不变
B.
能传递力矩
C.
不能相对转动
D.
可以相对转动，可以传递轴力和剪力
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Some experts believe that___________.
A.
cats have a natural clock inside them
B.
people can live better by taking naps
C.
people should learn from cats
D.
famous people are all known for their energy
【单选题】STC15系列单片机的定时器 T0 和 T1 的中断请求标志位分别是 TF0 和 TF1 。定时器 2 、定时器 3 和定时器 4 的中断请求标志位用户不可见,当相应中断服务程序执行后,中断请求标志位立即自动() 。
A.
取反
B.
高阻态
C.
清 0
D.
置1
【简答题】Hair loss can be an emotionally troubling experience for some women. Luckily, experts do have suggestions on how to treat and pr this condition. According to Dr. Robert Jones of the Hair Transpla...
【单选题】----- Have you informed Tom and Ann that some foreign experts will visit our company at 8:00 tomorrow morning? ------ Yes, I have. But_____ of them asked me to tell you that they would not be able to ...
A.
any
B.
either
C.
both
D.
two
【单选题】Some experts and analysts claim that the resignation of Steve Jobs wont have a huge impact on Apple in the short term for the reason that______.
A.
Steve Jobs has planted the innovative and risk-taking spirit in its blood
B.
the successors will inherit the keen vision and development goal of Steve Jobs
C.
the company has already developed latest devices for preparation
D.
Tim Cook fully comprehends the thoughts of Steve Jobs and will carry on his undone business
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