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- 1比较经典的英文名句
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- 4Parents love to watch their children show their talents on stage中为什么talent要加s
- 5取标准状况下CH4和过量O2的混合气体840mL,点燃,将燃烧后的气体用过量碱石灰吸收,碱石灰增重0.600g.计算: (1)碱石灰吸收后所剩气体的体积(标准状况下)_ (2)原混和气体中CH4跟O2
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- 7如何检测食物中大肠杆菌是否超标?
- 8After several campus attacks,many schools across the country have already taken action to make
- 92x-0.8×2.6=3.08-2x 2.4×0.2x=0.5x-2.4 5(0.2x-2.5)=2.1x
- 10Without sunlight,there would be no plants or animal.同义句