Save Our Environment
There is no doubt that global warming has become one of the biggest problems we face today． So it's important for us to protect our environment．
As middle school students， what can we do？ First of all， try to take bicycles and public transportation to school instead of cars （1）b it will make less CO2（二氧化碳）． It can not only good for our health， but also make it possible for us to get closer （2）t nature． Then， it's necessary to （3）p up rubbish and put it into dustbin（垃圾桶）． Planting more trees can also help a lot． However， we should never forget to turn off the lights when we leave the class room． （4）B ， why not reuse water and paper to live a low﹣carbon life？
I think it's everyone's duty to help our Earth． And even the simplest activities can make a real（5）d to our environment． So don't put it off! Let's do what we can to protect our home． I believe we will make our world more and more beautiful．
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Pan Jianwei， "Father of quantum（量子）， was born in Zhejiang in March 1970．After he（1） at the University of Science and Technology of China from 1985 to 1995， Pan went to Vienna in 1996 for further studies and stayed there until 2001． Then he returned to the Chinese university as a physics professor and began to build a quantum science research team at the university． The team now includes about 50 （2） ， most of whom are also returnees from overseas（海归）．
He became a member of the Chinese． Academy of Sciences（中科院） in 2011． Of all the members， he was the（3） one． In 2015， he was named the standing vice﹣president of the University of Science and Technology of China．
Under his leadership， the word' s first quantum satellite（卫星） was launched（发射） （4） in August 2016．
Pan Jianwei was recognized by Nature magazine on （5） list of "10people who mattered "in 2017．
Our graduation ceremony is coming． let's come up with some useful ideas to （庆祝）．
On her （第十二） birthday， she received a valuable present from her aunt．
根据各句句意及汉语提示写出完整的英语单词（每空限填一词）．
He's a nice boy． He always talks to others （礼貌地）．