題|組|訓|練|4介紹類AMomandDadarethemostimportantpeopleinyourlife.Theyhavebeenlookingafteryousinceyouwereborn.2.你應該一直愛他們。Youshouldalsogetonwellwiththem.Butsomechildrendon'tknowhowtodothis.Herearesomewaystohelpyou.Spendmoretimewithyourparents.3.Don'tspendtoomuchtimeplayingcomputergamesorwatchingTV.Askyourparentstoplaywithyou.4.和他們交談或者散步。Bekindtoyourparents.Youcanmakethemhappywithasmilewhenyoucomehome.YoucansendyourmotheracardonMother'sDayortellyourfatherajokeonhisbirthday.5.Youcanalsocleanyourroombyyourself.Workhard.Ifyoudoyourbestinyourstudies,yourparentswillbeproudofyou.1.2.5.BThestudentswerehavingtheirchemistryclass.1.MissLiwastellingthestudentswhatwaterwaslike.Afterthat,sheaskedherstudents,"What'swater?”Nooneanswered.Afewminuteslater,MissLiaskedagain,"2.你們為什么不回答我的問題？Didn'tItellyouwhatwaterwaslike?”Justthenastudentputuphishandandsaid,“MissLi,youtoldusthatwaterhasnocolorandnosmell.However,wheretofindsuchkindofwater?Thewaterintheriverbehindmyhouseisalwaysblack,andithasabadsmell.”3.大多數學生同意他的意見。'Tmsorry,children,“saidtheteacher.“4.Ourwaterisgettingdirtieranddirtier.That'saproblem.5.Weshouldtryou。besttomaketheworldcleaner.”CIntheanimalworld,colorisveryimportanttonature'sanimals,birdsandinsects（昆蟲）.Oftenitcansavetheirlives.Natureisbeautifulandwecanseeitsbeautyeverywhere.1.自然界色彩豐富。Plants,animals,birdsandinsectshavemanybeautifulcolors.Color,however,foranimals,birdsandinsectsisnotonlybeauty.Itmeanslifetothembecauseithelpsthemhidefromotherdangerousanimals.Somebirdsusetheircolorstotellotherbirdstostayawayfromtheir“houses“onthetree.Theysingandmovetheirwingstoshowtheircolorsasamessagetootherbirds.Onekindofbutterflyisorangeandblack.Birdsdonotlikeeatingthembecausetheyhaveabadtaste.Onceabirdeatsthiskindofbutterfly,itremembersthebadtaste.Afterthat,itwillnevereatanotherorangeandblackbutterfly.Somemoths（飛蛾）usecolorstomakebirdsafraidofthem.Abirdcanrememberthecolorsormarksonthemoth'sbody.Thebirdseesthecolorsorthemarksanddoesn，teatthemoth.Onekindoffishcanchangeitscolor.4.這顏色與海洋植物的顏色相同。Otherfishcan'tseeit.Ofcourse,thechameleon（變色龍）isthemostf