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【单选题】
根据平均指标的确定方法和依据资料的不同,可分为5种平均指标,其中( )A.
中位数和算术平均数是位置平均数
B.
众数和调和平均数是位置平均数
C.
算术平均数和 几何平均数是位置平均数
D.
中位数和众数是位置平均数
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皮皮学刷刷变学霸
举一反三
【单选题】[3-110]In many areas atoll clouds ( clouds of vertical development) are produced over small islands . These are the result of ___ .
A.
rising air currents produced by the warm islands
B.
warm air from the sea rising over higher land areas
C.
cool land air mixing with warm sea air
D.
descending air over the islands
【简答题】We now pass through these electronic friskers w_______________so much as a sideways glance(甚至看都不看一眼了) ; the machines, and what they stand for, have won.
【简答题】n. 插曲,片段 (电视剧中的)集 e-
【简答题】We now pass through these electronic friskers ____________________________ (甚至看都不看一眼了) a sideways glance ; the machines, and what they stand for, have won.
【简答题】情态动词的适当形式填空: 1、 She _____ speak Spanish when she was six. 2、 The light is on. He _____ be in the office. 3、 You _____ be out in the flesh air. 4、 --Must I come over tonight? --No, you ____. 5 、 It ___...
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