题目

已知一个12C原子的质量为n kg,一个A原子的质量为m kg,则A原子的相对原子质量可表示为                    。 答案:12m/nRead and match. 根据问句,选答句。A. They’re Mary’s.B. Yes, she’s outgoing and friendly.C. It’s sunny and warm.D. I like autumn best.E. Because it’s my birthday gift from my sister.【1】Why do you like the skirt so much? (_____)【2】Whose comic books are those? (_____)【3】Which season do you like best? (_____)【4】Do you like your Chinese teacher? (_____)【5】What’s the weather like today? (_____)
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