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【单选题】
In this passage the word 'coincidences' probably means ______.A.
things which do not happen
B.
things which happen by accident without necessary connection
C.
things which are only dreams
D.
things dreamed of only by sick people
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反馈参考答案：
举一反三
【简答题】胸外心脏按压的部位是() 胸外心脏按压的深度是胸廓前后径的() 胸外心脏按压的按压通气比是() 即是每分钟完成()多少个动作?
【简答题】A．He didn't enjoy the because the team lost. B．He's impressed by the efforts of the team. C．The woman is wrong about who won the . D．The players could have won if they'd tried harder.
【单选题】The team's efforts to score were ______ by the opposing goalkeeper.
A.
frustrated
B.
prevented
C.
discouraged
D.
accomplished
【多选题】已知线性规划问题: 下列属于该问题的基可行解的是( )
A.
（5,0,0,5,4）
B.
（2,2,3,4,2）
C.
（10,0,-5,0,4）
D.
（2,4,3,0,0）
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