Unit8 TheUniversePartB\nLookandsay!bigshinesmallsunmoonitsearthstarday\nFreetalkuniverseunsmearthoontars\nArethereanypeopleonthemoon?Arethereanytreesonthemoon?Istherearabbitonthemoon?\nThemoonisinthesky.\nThesunisinthesky.\n月亮的直径为3476.2千米地球的直径为12756千米\n太阳的直径：1390000千米,约为地球的109倍银河系的直径约为100,000多光年，总质量是太阳质量的1400亿倍1光年=九万四千六百亿公里Theyareverybig!!\nTheyarebig,buttheylooksmall.Why?\nBecausetheyarefarawayfromus.Theylooksmall.\narm胳膊farm农场May五月wayfaraway距离很远way路fara\nthesuntheearththemoon太阳与地球的距离大约为15,000万公里________isfarawayfromus.Thesun\n\nWhencanweseethesunandthemoon?\nWeseethesun__________.Weseethemoon_________.atnightintheday\nintheday\natnight\ndayandnight\ngoaround\nTheearthgoesaroundthesun.Themoongoesaroundtheearth.\nReadthepassagetogether.全班齐读课文。\n\n\nThestarsareall________________.Thestarsare____________fromus.Thesunshines______and_______.Theearth______________thesun.Themoon______________theearth.intheskyfarawaydaynightgoesaroundgoesaround根据课文内容填空\nHomework1.听课文录音，模仿跟读。2.完成《学练优》中本课练习。3.复述课文。4.完成课本第63页自我评价。\n
