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11个月前
①别出__________ ②弄巧成_____ ③虎视__________ ④忘_____所以 ⑤威风__________ ⑥心_____意足 ⑦怒气__________ ⑧大_____流星
1年前
用括号内动词的适当形式填空 I _____ (receive) many nice presents on my birthday party. How happy I was!
1年前
已知一个碳-12原子质量是M千克,A原子的相对原子质量是N,则A原子的质量是______g.
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He knows so much about Russia that he's universally acknowledged as a(n) _____ on Russian affairs.
1年前