declare on air

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• 英语翻译Figure 1:The conduction system of the heart 2.Figure 2:Experimental setup.Refer to Figure 4 for a zoomed in picture of the recording region.Figure 3:Pulse-echo of the 540kHz transducer off a flat air/water interface
• 请各位英文大侠来帮我看看这段英文有没有语法上的错误,1．\x05It is reported that ten big cities in China are being ranked among the top twenty cities with the highest pollution index in the world.This means it is high time we did something to bring the situation under control.Many factors are contributing to the deteriorating situation:industrial wastes pumped into the air,the lakes and rivers; a increasing number of automobiles crowding into the streets; the widespread use of pl
• 英语一段,要翻译正确 急~!翻译下 要正确的. Villagers are much healthier than people who live in towns. One reason for this is that country air is fresher than the air in smoky cities. The villager is breathing fresh clean air all day in the fields, but the air the townsman is breathing is always full of smoke and dust.
• 完形填空:the air here is fresh and clean.the people here___friendly.a:isb:arec:be
• We are _____(luck) to go on a school trip next Sunday\They decided that they would go to Dalian by air next week (用动词不定式改写）、They __________________________________________Dalian next week
• the air is fresh here.the air here is very clean.这两个句子中here位置为什么不一样呢?说一说here在句子中的位置.
• the ra-----here is little,so the air is very dry.
• the air here is very b___
• the air here is very c__.
• when you want success as badly as you wangted air,you will get it
• 有4堆外表上一样的球,每堆4个.已知其中三堆是正品、一堆是次品,正品球每个重9克,次品球每个重8克,请你用天平称最少的次数,把是次品的那堆找出来.
• 某溶液中可能含有SO42- 、SO32- 、S2- 、Cl- 、Br- 、I- 、NO3-、 Na+ 、Mg2+等离子