初一科学上册CH7
Authored by Ariel Lee
Science
1st Grade
Used 301+ times
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16 questions
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1.
OPEN ENDED QUESTION
30 sec • Ungraded
你的名字和班级
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2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
固体没有流动性，但液体和气体具有流动性
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3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
气体看不见摸不着，因此气体没有质量。
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4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在光学显微镜下，我们可以观察到水的分子。
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5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
液体和气体可以发生扩散现象，但固体不能。
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6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
天气炎热时，汽车轮胎内的气不要充得太足，以免轮胎内气体膨胀而引起爆胎。
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7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水结冰，体积会变大。
对
错
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