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【单选题】
听力原文：WB Hi, this is Diane from Creative Services. I'm calling about our order for one hundred reports, bound and shipped. I have the order number here if you need it... MB No, Diane, I know which order yours is. I have the paperwork right here—one hundred, full-color, spiral-bound. So... What can I do for you? WB How much trouble would it be to add another twenty reports? That's one-twenty in total—all of them shipped to the same address... I know they're all going out tomorrow, but can we add twenty more? MB Twenty more? That's not a problem. If you wanted to double your order, THAT would be a problem. But twenty we can handle. All the same treatment— color copies, spiral-bound...? What does the woman want to do?A.
Increase the size of her order
B.
Change the binding of the reports
C.
Have some of the reports in different colors
D.
Have the reports mailed to a different address
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【单选题】设[x]表示不大于x的最大整数，如[3.4]=3，[2]=2，[-3.4]=-4，则下列结论中，不成立的有几个（ ） ①[x]≤x＜[x]+l； ②x-1＜[x]≤x；③[-x]=-[x]；④[2x]=2[x]；⑤[x]+[l-x]=1．
A.
4
B.
3
C.
2
D.
1
【单选题】Where did students see a tiger at their school?
A.
India
B.
Kenya
C.
North Carolina
D.
Mexico
【单选题】针对以下代码段: Animal tiger = new Tiger(); Tiger t = tiger; 描述正确的是:
A.
对象tiger能赋值给t，因为tiger就是Tiger类型的。
B.
tiger对象的类型为Animal。
C.
强制类型转换也可以应用到Animal t ＝ new Animal(); Tiger tiger = (Tiger)t;
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