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- 1判断:常温常压下,48克O3和48克O2中含有氧原子数均为3NA. 请标注解释.
- 2Alice didn't want her parents to know______ A how she had done B what she was doing
- 3what is the matter的同义句
- 4大公无私成语的解释是?
- 5he is only a story这是什么意思翻成中文
- 6已知体积1立方厘米的水里含有3.35*10的22次方个水分子,则一个水分子的质量为___千克.
- 7”happiness is about having each ting wish come true!”中文意思是什么?
- 8改病句:言行不一致的人是一种很坏的风气
- 9戴眼镜的人从寒冷的室外进入温暖的室内,镜片上会蒙上一层小水珠,这是室内的水蒸气遇到冷的镜片_而成的.
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