英语翻译o(∩_∩)o...

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• 下列各组物质中,只用水就可以鉴别的是（ ）A 固体：NaCl、CaCO3、KMnO4B 气体：H2、O2、CO2C 液体：KCl溶液、稀H2SO4、稀HClD 固体：NaCl、CaCl2、MgCl2
• 英语翻译Coenzyme Q10,or CoQ10 is a vitamin-like compound also called ubiquinone.It is an essential component of cells and utilized by the mitochondria in the normol process of energy production for cells.It is found in highest concentration in cells of the heart,liver,kidney and pancreas.CoQ10 can also act as a potent antioxidant to help prevent cellular damage from free radicals.
• 英语翻译我们先发出邀请函,邀请一些朋友来参加生日聚会,我们要准备一样气球,买一些饮料和买一个生日蛋糕.我将扮演小丑,其他人带礼物.我想这次聚会会很开心.
• 英语翻译it will probably remain one as long as there are animals that give milk.
• 英语翻译请翻译一下下面的说明书,这是一个比色仪的英文说明书.1.fill the cuvet with 10ml of unreacted sample up to the mark and replace the cap .2.place the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove .3.Press ZERO and “sip” will appear on the display.4.Wait for a few seconds and the display will show “-0.0-”.Now the meter is zeroed and ready for measurement.5.remove the cuvet.6.add the content of one packet of HL 93701 DPD reage
• 英语翻译It was the first day of our winter holiday.All of us were very happy.Why?Because we have one months to do things we love to do.We are free.Although we have some homework.But we can finish them in several days.And the rest time we can make good use of.My god!We have been very tired after hard studying.In winter holidays,I want to have full sleep and eat good food in order to replenish myself.Last but not the least,I will have a good rest.
• 英语翻译The folks in Arkansas are serious about getting you your money -- if you're entitled to it.Last year,that unclaimed treasure trove of everything from cash to diamonds and guns was valued at $22 million.
• 一道初中二次函数已知二次函数y=ax²-2x-a(a≠0)与x轴交于A、B两点（A在B左侧）,与y轴交于C点,若1/OA - 1/OB=2OC(O为坐标原点)求抛物线的解析式.
• 充满H2、CO2、O2、N2四种气体的四支相同试管,倒立于水槽中,试管内水面上升最高的是什么
• 下列各组物质用水就能鉴别的是（　　）A. 固体:Na2SO4、NaCl、CaCO3B. 气体:O2、H2、CO2C. 固体:NaCl、AgCl、CuSO4D. 液体:酒精、甲醇、汽油
• 英语音标的符号都个代表什么意思?
• 墙上有一个标志 英文____ ____a sign _____ the wall.