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- 1描写声音的四字词语有哪些
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- 4What time (do)your father come back home from work?用所给动词的适当形式填空
- 5请翻译:Doing nothing is doing ill.
- 6十碳的饱和脂肪酸经b氧化分解为5mol乙酰coa,同时可形成多少atp?
- 7the student wants to help his friends__English. A.with B.in C.at D.on 为什么选这个答案,说明原因.
- 8We have two new students in your class改为同一句
- 9The baby ___ cry ___when he saw his mother come in.用 didn't any longer 还是didn't any more?
- 10如图甲、乙所示,烧瓶中的水沸腾后,移去酒精灯,水停止沸腾,待水温稍降低一些后,将一大注射器接到密闭的烧瓶口上,向外拉注射器的活塞,可以看到水又重新沸腾,该实验表明:_.