淘宝唯一免费更新店铺:知二教育淘宝唯一免费更新店铺:知二教育Unit10AirListenandsayIthasnocolourorshape.它没有颜色和形状。Ithasnosmellortaste.它没有气味和味道。Wecannotseeit,butwecanfeelit.Itiseverywhere.我们看不见，摸不着。它无处不在。Itisimportanttoallpeople.它对所有的人来说都很重要。Itisalsoimportanttoanimalsandplants.它对动植物而言也很重要。Weallneedittokeepusalive.我们都需要它来维持生命。Lookatthekiteandtheballoon.看风筝和气球。Lookattheplaneandthebird.看飞机和鸟。Theyallneedittoo.他们也都需要它。Itkeepsthemhighinthesky.它使它们能飞在高空中。Whatisit?它是什么？Sayandact1.What’sthematter,Kitty?Areyoucrying?1.凯蒂，怎么了？你在哭吗？I’mnotcrying.Myeyeshurt.It’sthesmoke.我没有哭，我的眼睛受伤了，是烟伤的。淘宝唯一免费更新店铺:知二教育淘宝唯一免费更新店铺:知二教育Whereisthesmokefrom?烟来自哪里？It’sfromthecarsandbuses.它来自小汽车和公共汽车。Lookattheblacksmokefromthefactory.Itmakestheairdirty.看工厂冒出的黑烟，它使空气污劣。Let’sgotothepark,Ben.Theairiscleanthere.本，我们去公园吧，那儿的空气干净。OK.好的。2.Theairissofreshhere.2.这儿的空气太清新了。Yes.Therearealotoftreesinthepark.Treeskeeptheairclean.是的，公园里有许多树，树保持空气洁净。Weshouldplantmoretreesandkeeptheairclean.我们应该多种树，保持空气的洁净。Yes!Weshouldkeepourcityclean.是的！我们应该保持城市整洁。Learnthesoundsch/tʃ/–chair,China,rich,eachg/dʒ/–giraffe,age,orange,dangerj/dʒ/–job,juice,jam,jumpsh/ʃ/–share,shirt,fish,brushs/ʒ/–usually,pleasure,televisionListenandcircle.1.Weneedtofindaworkerforthisjob.2.Potatoesarecheaptoday.Let’sbuysome.淘宝唯一免费更新店铺:知二教育淘宝唯一免费更新店铺:知二教育3.Wouldyoulikesomeorangeorapplejuice?4.Doyouhavearedshirt?5.Pleasesitonthischair.6.IusuallygotothelibraryonMondayafternoon.
