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Part 1 So Studies Éç»á¿Æѧ 1.Continents ´óÖÞ 2.The United States (Part One) ÃÀ¹úµØÀí¸Å¿ö£¨ÉÏ£© 3.The United States (Part Two) ÃÀ¹úµØÀí¸Å¿ö£¨Ï£© 4.Enemies of the Forest É­ÁֵĵÐÈË 5.The First Humans *ÔçµÄÈËÀà 6.Pyramids and Gods ½ð×ÖËþºÍÉñÁé 7.ATulip Festival Óô½ðÏã½Ú 8.An Inventor-Henry Ford Ò»¸ö´´ÔìÕߨD¨DºàÀû£¿¸£ÌØ 9.Methods of Coal Mining ú̿¿ª²É·½Ê½ 10.Hong Kong, Marketplace of Asia (Part One) Ïã¸Û¨D¨DÑÇÖÞµÄÊг¡£¨ÉÏ£© 11.Hong Kong, Marketplace of Asia (Part Two) Ïã¸Û¨D¨DÑÇÖÞµÄÊг¡(Ï£© Part 2 Science ×ÔÈ»¿Æѧ 12.Four Seasons Ëļ¾ 13.Leaves Ò¶×Ó 14.Rocks ÑÒʯ 15.Shape of the Earth µØÇòµÄÐÎ×´ 16.Gravity ÍòÓÐÒýÁ¦ 17.Fresh Water µ­Ë® 18.Instinct of Animals ¶¯ÎïµÄ±¾ÄÜ 19.From Electrons to Electric Current ´Óµç×Óµ½µçÁ÷ 20.Forces of Weather ÆÆ»µÐÔÌìÆø 21.Effects of Global Warming on the Arctic È«Çò±äů¶Ô±±¼«µÄÓ°Ïì Part 3 Life Encyclopedia Éú»î°Ù¿Æ 22.Greedy, Selfish, and Honor Go Out to Dinner Ì°À·¡¢×Ô˽ºÍÈÙÓþÒ»Æð³öÈ¥³Ô·¹ 23.Joey and the Sad Tree ÇÇÒÁºÍ±¯É˵ÄÊ÷ 24.Olympic Games °ÂÁÖÆ¥¿ËÔ˶¯»á 25.Lost ÃÔʧ 26.Building Materials for Strong Bones Ç¿½¡µÄ¹Ç÷ÀÐèҪʲô 27.Protect Your Teeth ±£»¤ÑÀ³Ý 28.Dressing for Good Health ½¡¿µ×Å×° 29.Michael Jordan, A Team Player Âõ¿Ë¶û£¿Çǵ¤£¬ÒÔÍŶÓΪÖØ 30.Rock-and-Roll Music and Musicians Ò¡¹öÀÖ¼°ÆäÒôÀÖÈË 31.St.Patrick's Day Desserts Ê¥£¿ÅÁÌØÀï¿Ë½ÚÌðµã 32.Easter Activities ¸´»î½Ú»î¶¯ 33.Clay Creations ÄàËÜÖÆ×÷ 34.Paper Plate Parade Ö½ÅÌ×ÓÊÖ¹¤ÖÆ×÷