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- 1帮我改下错误字(语文作业)
- 2She put it best when she said to her father,"But ,Dad,you can't be healthy if you'er dead." 怎么译
- 3It is often more difficult to find trained men than ___for scientific research.
- 4how a hot day it is 错在哪里?
- 5Pick out some good apples from the box, and ______(throw) away the restat that moment
- 6先化简,再求值:[(2a+b)2-(2a-b)(a+b)-2(a-2b)(a+2b)]÷b,其中a=1/2,b=-2.
- 7甲,乙,丙三人共得奖金850元,甲比乙多得125元,乙比丙多得85元,三人各得奖金多少元
- 81.
- 9"one of the first kinds of mongey was shells."怎么翻译
- 10将2.3gNa放入多少g水中 完全反应后 溶液中Na+和H2O分子个数比为1:50,最后溶液中水的质量是?