1至18小题【第一张图】,1至8题【第二张图】
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1至18小题【第一张图】,1至8题【第二张图】1至18小题【第一张图】,1至8题【第二张图】1至18小题【第一张图】,1至8题【第二张图】1energy,2burn,3patterns,4part,5
1至18小题【第一张图】,1至8题【第二张图】
1至18小题【第一张图】,1至8题【第二张图】
1至18小题【第一张图】,1至8题【第二张图】
1 energy,2 burn,3 patterns,4 part,5 pollution.6 must.7 important,8 land,9 ground,10 pollute,11 field,12 kill·,13 protect,14 quiz,15 into,16 report,17 also, 18 earth,
1,there are forests,rivers,mountains and fields on the earth
2,there are many different kinds of plants and animals on the earth
3,there are lot of pollutions on the land
4,some animals live on land,however ,some others fly in the sky
5,some animals also live under water
some animals live under water ,too
6,it is important for everybody to protect oceans
7,the earth provides us with blue sky and white clouds
the earth provides blue sky and white clouds for us
8,we must stop polluting air