Protecting the environment,is everybodys business." Every time I go in the busy streets,always see some throw on the ground of dazzling things:the packing bag of brightly colored,the crush cigarette end,didnt chew clean apple and roll into a mass of waste paper.If everyone so dont speak hyg...
But what can you do if the batteries(电池)on your mobile phone are empty?Some 5.engineers(工程师)are working on a Fire Recharger.It 6.produces(生产)electricity from the heat of fire.This means you can use a small fire to charge(充电)your mobile phone.It is very useful and will be ...
We must find ways to stop pollution.Waste water must be cleaned before it is poured into the river.People shouldn‘t throw away rubbish here and there.We should pick up the garbage around us.We‘d better plant more trees.I‘m sure if we take care of our environment, our world will be...
If you thought that the capabilities of ozone (O3) were limited to the ozone layer that protects us from the sun’s UV radiation (like sunscreen for the earth), we’re excited to tell you that ozone’s therapeutic potential goes far beyond that. Ozone, whiletoxic to humans and animals w...
This first stage produces simple molecules, which can then recombine to make more complex molecules if this astonishing experiment is successful. What we're going to do now is warm the system a little to see what the ice does.第一步产生简单的分子，如果这个惊人的实验成功的话，这些简单的分子就...
2) According to some official reports, many patriotic education centers have been closed down or kept open to the public for other more profitable purposes while many of our national heroes have given way to today’s pop stars in youths’ minds. 3) If this current is allowed to run its ...
7. What will the boy probably be? A. A doctor. B. A teacher. C. A writer. 8. How long does it take Jack to get to school? A. 5 minutes. B. 15 minutes. C. 20 minutes. 9. What is the man' s advice? A...
a认识到臭氧层对地球生物的重要性 Realizes to the ozone layer to the Earth biology importance[translate] a请输入您需要翻译的文本!To the world you may. just be some body ……but to some body. you may be the world 正在翻译,请等待...[translate] ...
a然而,汽车尾气的排放,二氧化碳的急剧增加导致臭氧层空洞和全球变暖 However, the automobile exhaust emissions, the carbon dioxide sharp growth causes the ozone layer cavity and the whole world changes warm[translate] aprevents 防止[translate] anow i m saving to buy a house 现在我买房子的m挽救[transl...
“We told them the only way we could fly was if they could find enough vehicles to (45) the runway with headlights SO we could land, "said Bob Hajdukovich, the company’s president. Aldridge’s next calls went to airport and town officials, who, (46), called villagers. Forty-five ...