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对于闭口组组式分组数据，一组的组限就是该组上限和下限的算术平均数。()

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The airliner took off fromairport and made an emergency landing inairport.

A. Vnukovo, Domodedovo
B. Vnukovo, Dagestan
C. Domodedovo, Vnukovo
Domodedovo, Dagestan

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治疗车上物品应排放有序,上层为清洁区,下层为污染区。()

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Which of the following is NOT a reason for the low efficiency of the labor market at matching supply of jobseekers with the demand for workers？

A. Skills of jobseekers do not match demands of employers.
B. People with unemployment insurance are not eager to find jobs.
C. People become less movable burdened with home loans.
D. People out of work for long do not want to go back to work.

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统计学是收集数据、()，并从数据中得出结论的一门科学

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对于闭口组组式分组数据，一组的组限就是该组上限和下限的算术平均数。()

The airliner took off from______airport and made an emergency landing in______airport.

治疗车上物品应排放有序,上层为清洁区,下层为污染区。()

Which of the following is NOT a reason for the low efficiency of the labor market at matching supply of jobseekers with the demand for workers？

统计学是收集数据、()，并从数据中得出结论的一门科学

The airliner took off fromairport and made an emergency landing inairport.