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【单选题】
吸光度为 ( )时,相对误差较小A.
吸光度越大
B.
吸光度越小
C.
0.2～0.7
D.
0.434
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皮皮学刷刷变学霸
举一反三
【单选题】2001年9月,我国出台的幼儿园教育指导纲要所确定的“五领域课程”内容包括的五个方面是
A.
体育、艺术、语言、常识、社会
B.
健康、语言、社会、科学、艺术
C.
体育、德育、艺术、科学、社会
D.
健康、计算、社会、科学、艺术
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