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【单选题】
一辆汽车以25m/s的速度沿平直公路匀速行驶，突然发现前方有障碍物，立即刹车，汽车以大小5m/s²的加速度做匀减速直线运动，那么刹车后2s内与刹车后6s内汽车通过的位移之比为（）A.
1︰3
B.
16︰25
C.
2︰3
D.
16︰9
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举一反三
【简答题】Translate the following pharese. reference number signature Re CC: Encl:
【多选题】Which of the following statements are true?
A.
The equals() method determines if reference values refer to the same object
B.
The == operator determines if the contents and type of two separate objects match
C.
The equals() method returns true only when the contents of two objects match
D.
The class File overrides equals() to return true if the contents and type of two separateobjects match
【简答题】You've received a request to be a reference for Spenee-Crane Company, and you're required to provide some information about their creditworthiness and reputation． However, your experience with them ha...
【判断题】( ) 87. Reference refers to the relationship between the linguistic symbols and the objective world.
A.
正确
B.
错误
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