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【判断题】
排序时如果有多个关键字段，则所有关键字段必须选用相同的排序趋势递增/递减A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】How did the writer realize that she was addicted to her iphone?
A.
She didn't lend her iphone to anyone.
B.
She found herself Google-mapping her way to her mailbox,which is just outside her front door.
【简答题】How does indoor heating affect our life? A) it makes us stay indoors more B) it accelerates our metabolic rate C) it makes us feel more energetic D) it contributes to our weight gain
【简答题】在C++语言中，访问一个对象的成员所用的运算符是【 】，访问一个指针所指向的对象的成员所用的运算符是【 】。
【简答题】You must _________________ ( 考虑 ) when quoting a price that we may __________________ ( 经常性订购 ) larger quantities.
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