Why doesn't Jenny go fishing?
A:She has a letter to write.
B:She has some homework to do.
C:She has to take care of her sister.
某同学在“探究浮力大小与哪些因素有关”的实验中:
对“今齐地方千里”一句翻译正确的一项是( )
胆矾和石膏在不同温度下的溶解度(g/100g水)见表.
温度(℃)
20
40
60
80
100
石膏
0.32
0.26
0.15
0.11
0.07
胆矾
32
44.6
61.8
83.8
114
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