DOCPROPERTY Information\* MERGEFORMAT DOCPROPERTY SecurityClass \* MERGEFORMAT Ericsson Internal DOCPROPERTY Dame\* MERGEFORMAT \ arab7 (\NUMS 7)Prepared (also subject responsible if othe
DOCPROPERTY Information\* MERGEFORMAT DOCPROPERTY SecurityClass \* MERGEFORMAT Ericsson Internal DOCPROPERTY Dame\* MERGEFORMAT \ arab7 (\NUMS 7)Prepared (also subject responsible if othe
DOCPROPERTY Information\* MERGEFORMAT DOCPROPERTY SecurityClass \* MERGEFORMAT Ericsson Internal DOCPROPERTY Dame\* MERGEFORMAT \ arab7 (\NUMS 7)Prepared (also subject responsible if othe
DOCPROPERTY Information\* MERGEFORMAT DOCPROPERTY SecurityClass\* MERGEFORMAT Ericsson Internal DOCPROPERTY Dame\* MERGEFORMAT \ arab7 (\NUMS 7)Prepared (also subject responsible if other
DOCPROPERTY Information\* MERGEFORMAT DOCPROPERTY SecurityClass \* MERGEFORMAT Ericsson Internal DOCPROPERTY Dame\* MERGEFORMAT \ arab7 (\NUMS 7)Prepared (also subject responsible if othe
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2.2.2 用样本的数字特征估计总体的数字特征双基达标 ?限时20分钟?1.下面是高一(18)班十位同学的数学测试成绩:82917384989910111898110则该组数据的中位数是 ( ).A.98 B.99 C.98.5 D.97.5解析
第2章第2节第2课时一、选择题1.(2010年湖南长沙同升湖实验学校高一下学期期中考试化学卷,21)下列化学电池不易造成环境污染的是( )A.氢氧燃料电池 B.锌锰电池C.镍镉电池D.铅蓄电池【答案】 A2.随着人们生活质量的不断提高,废电池必须进行集中处理的问题被提到议事日程,其首要原因是( )A.利用电池外壳的金属材料B.防止电池中汞、镉和铅等重金属离子对土壤和水源的污染C.防止电池中渗
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