20xx秋江蘇譯林版六上unit7protecttheearth課件1-wenkub
2022-12-10 00:15:03 本頁面
【正文】 hings We should not cut down too many trees. 砍下 We should not cut down too many trees. Because trees help keep the air clean(凈化空氣 ) Trees Fill in the blanks ________es from trees. We use ________ to make tables, chairs and many other things. We _____________cut down ______________trees because trees help ____________________. Wood wood should not so many keep the air clean 1. What do you know about plastic? and answer What can we use plastics to make? Should we use too much plastics? What can we use plastics to make? Should we use too much plastics? But too much plastic is bad for the earth. We should not use too many plastic bags or bottles. We use plastic to make bags and bottles. We should use paper bags and glass bottles. So what can we use? We use plastic to make bags and bottles. But too much plastic is bad for the earth. We should not use too m
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