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【判断题】
刚体平面运动仅仅动系的固结在刚体上的已知信息的基点，而坐标轴与刚体无关，动系作。如此的方法使得动点到动系的连线相对动系的角速度和角加速度与刚体的绝对角速度和绝对角加速度相同，同时一定不会出现出现科氏加速度，牵连点的速度加速度就是与基点的相同。A.
正确
B.
错误
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【单选题】Last year the imaginary nation of Panglossia had real GDP of 400 billion. This year it had real GDP of 472.5 billion. Which of the following changes in population is consistent with a 5 percent growth...
A.
The population increased from 80 million to 90 million.
B.
The population decreased from 75 million to 72 million.
C.
The population decreased from 60 million to 50 million.
D.
The population increased from 70 million to 80 million.
【简答题】在SYD（cost，salvage，life，period）函数的参数中，参数period的单位必须与参数life的单位相同。（ ）
【简答题】历代帝王除亲自前往曲阜致祭外，还派官员致祭孔子，前后共有多少次?
【单选题】______have had the greatest enrollment increase.
A.
Two-year colleges
B.
Four-year schools
C.
Training companies
D.
High schools
【简答题】最新提出的逐行扫描最佳无闪烁的标准是垂直扫描频率()HZ
【简答题】认证技术的目的有两个:一是验证信息的发送者的真实身份;二是( )。
【单选题】Mathilde had years of hard work, little food, only a cold room__________and never had a moment to rest.
A.
to live
B.
living
C.
live
D.
to live in
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