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- 1翻译成中文:Well,it was too big for them to take away.
- 2欲使每10个水分子中溶有1个钠离子,则90mL水中应加入金属钠的质量是( ) A.10.5g B.11.5g C.21g D.23g
- 3有大,中,小三个底面是正方形的水池,它们的底面边长分别是5米,3米,2米,把两堆碎石
- 4不锈钢 重量如何计算?
- 5含 虎 的成语10个,俗语谚语5个,歇后语3句,诗文名句5句,对联两组
- 6二元一次方程组y-x=3,7x+5y=6
- 7The boy is never late for school,is he?___.He always comes to school earlier than others.
- 8如图,四边形ABCD中,AD⊥AB,BC⊥AB,BC=2AD,DE⊥CD交AB边于E,连接CE.请找出DE、AE、CE之间的等量关系并加以证明.
- 9for I'd some lunch like bread连成一句话,怎么连.
- 10英语11.Do you know any other foreign language _______ English?