designed (设计) a robot called Beetl to clean it up for us. With its sensors (传感器) and cameras, Beetl... (粪便). A company has designed (设计) a robot called Beetl to clean it up for us. With its sensors ……

and scoop up (铲起) what dogs leave behind. The sensors also help it avoid things like trees and cars. ... to clean up their smelly feces (粪便). The good news is that a company has designed a robot to do ……

trees.Some researchers put specialbacteriainto trees to help them grow faster and produce better wood. Others are trying to create trees that can clean polluted soil.Meanwhile fruit farmers ……

EXCEPT _____.A. pick up rubbishB. fly a kite C. clean the walls... some children doing when the speaker got there?A. They were watering trees.B. They were planting ……

Zhang Chi has volunteered to help clean up his classroom to welcome the new semester. PROVIDED TO TEENSZhang Chi has volunteered to help clean up his classroom to welcome the new semester. PROVIDED ……

) is going up and ice ismelting(融化). Too many polar bears are dying. Help us! And don't take our clean air away. Plant more trees. Try to make the temperature the same as before. Give us back our ……

作为中学生，保持校园清洁漂亮是我们的责任。请你用英语谈谈你们在美化校园环境方面的做法、校园现状和你的希望。提示词语：as middle school students, duty, clean... students, it is our duty to keep our school clean and beautiful. We do a lot of things to make our school ……

今年的植树节，我们能为绿化环境做点什么呢？A WORLD without trees could never be called home.With dirty air, no clean... are good for many things, so the more, the better.Trees can stop the sun in summer and keep us warmer ……

or beach, be sure to put your trash in the trash cans. Help to plant a tree. Trees help clean the air...片) called Young Voices for the Planet. It tells some stories about different kids. These kids help to keep ……

the following at the park EXCEPT _____.A. pick up rubbishB. fly a kite C. clean the wallsUS girl starts jewelry... riding a bike came up to him. It was a great man in his town, but he was afraid to ask him for help ……

, the rivers are drying up and the trees cut down. In fact the whole planet is becoming a dessert... abundant trees are painted in pink, yellow and purple in his work. Lines of green trees provide dense ……

a lot of stories about different kids who help to keep our environment clean.Team Marine, US... worldwide.Alec, 17, US When he was 12, Alec set up Kids VS Global（全球的）Warming. It teaches kids about ……

dry facts and statistics about a particular biological topic, Tudge tells us stories of trees in fond... into chapters like "What is a Tree", "All the Trees in the World", "The Life of Trees", and "Trees and Us ……

did the following EXCEPT _____.A.watering the treesB.helping clean the park C.cutting down old trees D.digging holes to plant trees2.Alison Black believes she helps the trees grow by _____.A.talking ……

; Who came up with it?Who came up with it?Earth Day was created by US politician (官员) Gaylord Nelson... money and plant trees both in deserts and “in our hearts“.  ]心系环保运动，营造生命绿洲。心系环保运动，营造 ……