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【简答题】
在 MapReduce 中默认可以进行排序,如果 Key 为封装成 int 的 类型,那么 MapReduce 按照数字大小对 key 排序;如果 key 为封装成 String 的 Text 类型,那么 MapReduce 按照 对字符串排序。
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【单选题】听力原文：W: You look worried, David. Anything wrong with you? M: Oh, it's nothing really. W: Arc you sure? Would you like to talk about it? M: Well, to be honest, it's.., it's my mother. She... she.., how...
A.
Because his father has suddenly had a heart attack.
B.
Because his wife has been behaving strangely.
C.
Bemuse his mother is still unhappy about his father's death.
D.
Because his daughter is all alone in a very big apartment by the sea.
【简答题】补全对话。 M: What's wrong with you, Linda? You look unhappy. W: (1)__________________________________________. M: Really? What happened to you? W: Well. I walked to school… M: Why? Didn't you go to school...
【简答题】A．He wants the doctor to look at his mouth. B．He wants the doctor to look at his eyes. C．He wants the doctor to look at his face. D．He wants the doctor to look at his teeth.
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