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【单选题】
某空间力系若各力作用线均通过某一固定点，则其独立的平衡方程式的最大数目分别为（ ）A.
3
B.
4
C.
5
D.
6
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反馈参考答案：
举一反三
【简答题】国家赔偿的归责原则的功能() A归责原则体现了国家赔偿的价值取向 B是国家赔偿构成要件的基础和前提，对赔偿构成要件起决定作用 C决定了可引起国家赔偿的行为范围 D直接影响到国家赔偿的程序
【简答题】A．She feels excited. B．She feels worried. C．She feels very confident. D．She feels sleepy when asked to answer questions in class.
【单选题】—What did the doctor say, Jim? —He asked Bill .
A.
whether he feels better
B.
if he feels better
C.
if he feel better
D.
if he felt better
【简答题】A．He feels the factory girl should earn more. B．He envies the factory girl. C．He feels his own salary is far too much. D．He feels work in a factory is absurd.
【简答题】A．She feels fine. B．She feels sick. C．She feels better. D．She feels tired.
【单选题】()is the boy who feels that Christmas doesn't work out for him.
A.
Billy
B.
John
C.
the hero boy
D.
the Conductor
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