Translate the sentence 我们注定不会再见面 into English。____________________________________________.
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The English translation of 淹没在大海之中 is ______.
What does the word "foolproof" mean?
A. foolish
B. be able to prove something
C. always effective
D. very important
Which of the following words is the synonym of the word "fault"?
A. cause
B. benefit
C. interrupt
D. criticize
在下列说法中，选出正确的结论．
A. 一个力的功、一对力（作用与反作用）的功、动能均与参考系的选择无关．
B. 一个力的功、一对力的功、与参考系选择有关，而动能与参考系无关．
C. 动能、一对力的功与参考系有关，而一个力的功与参考系无关．
D. 一个力的功、动能与参考系有关，而一对力的功与参考系无关．
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