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【单选题】
请找出下列样本数据之变异数: 48 、 49 、 51 、 52 、 52 、 52 、 53 、 53 、 54 、 56 、 57 。A.
7.07
B.
2.66
C.
6.43
D.
5.33
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反馈参考答案：
举一反三
【单选题】景区在旅游者数量可能达到最大承载量是,未依照《旅游法》规定公告或者未向当地人民政府报告,未及时采取疏导、分流等措施,或者超过最大承载量接待旅游者的,由景区主管部门责令改正,情节严重的,责令停业整顿()。
A.
1个月至3个月
B.
1个月至6个月
C.
3个月至6个月
D.
6个月至12个月
【简答题】________ absorb as much as you can from reading and listening and then try to ___ what you have learned ___ ____through speaking and writing.
【简答题】Give a short self-assessment of your recent performance for this course "Business English Speaking" , such as what you have learned, is there any achievement, any difficulties, what you have found.......
【简答题】Please list all the prefixes and suffixes you have learned in this article, and give us examples of words containing these word elements (morphemes) as many as possible as you can, along with their Ch...
【简答题】It _________________ as much as you can from reading and listening and then try to put what you have learned into practice through speaking and writing.
【简答题】List as many tips as possible that you have learned from the video on learning English.
【简答题】What should you keep in mind after you have learned this vedio as hotel staff?
【简答题】Write a compositionon why you think it is important or interesting to travel. You may base your writing on what you have learned from the unit as well as your own personal experiences.
【简答题】Directions: You have learned four kinds of presentations in this unit. What, as you see it, are the essentials of a successful presentation?
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