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【判断题】
平面任意力系向作用内任一点简化的主矢，与系中所有各力的矢量和相等。()A.
正确
B.
错误
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【简答题】在下列各类的法人中，具有意思机关的是（ ）
【单选题】What‘s the reason for the success of their trip? 查看材料
A.
They prepared sufficient food.
B.
They never got lost.
C.
They developed a good plan.
D.
They never gave up.
【单选题】What's the usual reason for stress?
A.
Unsettled problems.
B.
Limited capability.
C.
Pressures from outside sources.
D.
Personality.
【单选题】下列关于治疗高血压常用的血管紧张素Ⅱ受体拮抗剂作用特点的叙述中，错误的是（）
A.
与药物直接相关的不良反应少
B.
降压作用起效缓慢
C.
最大降压作用在服用后6～8周出现
D.
治疗剂量窗的范围较窄
E.
降压作用持久、平稳
【单选题】What's the reason for the fast growth of children's museums?
A.
To cultivate their sense of responsibility.
B.
To improve family living standards.
C.
To provide more social activities for communities.
D.
To make their civic and family life more colorful.
【单选题】What' s the reason for twins to be at a disadvantage in their intellectual development?
A.
They can only understand their own private language.
B.
They communicate with outsiders less than non-twins.
C.
There is little stimulation for them.
D.
Adults don' t like to talk with them.
【单选题】What's thea reason for the man's stomach problem?
A.
He ate too much in the morning
B.
He never eats breakfast.
C.
He forgot to eat breakfast.
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