J2上册Chap2题目
Authored by 曼妮 李
Science
8th Grade
Used 1+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于密度单位的正确读法是（）。【古作5_J2上2.1】
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物质密度的定义式为（）。【课习1_J2上2.1】
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于密度的说法，正确的是（）。【董作1_J2上2.1】
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
三个大小相同，质量相等的空心球，分别由铝、铁和铅制成，球的空心部分最少的是（）。【古作3_J2上2.2】
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于密度概念，下列说法正确的是（）。【古作4_J2上2.2】
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
日常生活里说的“铁比木头重”，这句话的实际意思是（）。【古作7_J2上2.2】
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
体积为 50 m3 的液体，其质量为 120 g。请问体积为 100 m3 的同一种液体，其密度是多少？【古作/统考9/1(2014-43)_J2上2.2】
2.4 kg/m3
4.8 kg/m3
2.4 x 103 kg/m3
4.8 x 103 kg/m3
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