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【单选题】
下列哪项不属于精神科常见的急危状态A.
暴力行为
B.
缄默状态
C.
吞食异物
D.
自杀自伤行为
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反馈参考答案：
举一反三
【简答题】跨度为L的简支梁,受均布荷载力Q作用,最大弯矩为 ; 最大剪力为
【单选题】In robotics, provides power to the robot; may supply electricity, hydraulic power, or pneumatic power. 驱动系统
A.
End Effector
B.
custom-made
C.
Power Supply
D.
power source
【单选题】There is no power like ________ power of confidence, and there is no student as competitive as ________ student who trusts his own abilities. [ ]
A.
the; a
B.
a; the
C.
/; a
D.
the; /
【简答题】一简支梁受均布荷载作用,其集度 q=100kN/m ,如图所示。则梁中的最大弯矩为________kN.m。
【简答题】There is no power like _____ power of confidence, and there is no student as competitive as ______ student who trusts his own abilities. [ ] A . the; a B. a; the C. /; a D. the; /
【简答题】简支梁跨长l受均布荷载q作用,则该梁的最大剪力是 和最大弯矩 。(用q ,l 表示)
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