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【单选题】
4 6. I'm afraid we don't have that book in stock, _____ we can order it for you.A.
as
B.
but
C.
since
D.
for
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【简答题】人有悲欢离合,月有阴晴圆缺,____。但愿人长久,千里共婵娟。《水调歌头•丙辰中秋》(节选) 宋•苏轼
【简答题】有人改进了MapReduce的架构，Map函数的输出不写入本地磁盘，而是直接（通过网络）传递给Reduce任务，reduce任务收到所有Map的输入后，再开始Reduce的处理。关于这种改动，以下说法正确的是
【单选题】听力原文：W: I have been trying to solve the puzzle for hours, but I just can't get it. M: Well, if you can't, I won't stand a chance. Q: What does the man imply? (15)
A.
He'd rather do another puzzle.
B.
He doesn't have time for puzzles.
C.
He'd like a chance to solve the puzzle.
D.
He is not as good at puzzles as the woman.
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