哈佛学霸带你搞定4000必会单词
目录：
001_01_Qur__communty社会与环境.mp4
002_02_Home_and_school_Life_家庭与学校生活.mp4
003_03_Different_Cultures_and_Holidays.mp4
004_04_American_Government_美国政府.mp4
005_05_World_Religions_世界宗教.mp4
006 06_Our_Land_and_Water_土地与水资源.mp4
007_07_Oceans_ and_Continents_海洋与大洲.mp4
008_ 08_Maps_and_Directions_地图与方位.mp4
o09_09_our_Earth_and_lts_Resources_我们的地.mp4
010_10_Native_Ameiricans_and_Europeans.mp4
011_11_Seasons_and_Weather_季节与气候.mp4
012_12_The_Parts_of_a_Plant_植物的组成部分.mp4
013_13_Homes_for_Living_Things_生物的栖息地.mp4
014_14_Oceans_and_Undersea_Life_海洋和水生生物.mp4
015_15_The_Human_Body_人体.mp4
016_16_How_Can_Matter_Change?物质如何变化?.mp4
017_17_How_Long? How_Tall?多长?多高? .mp4
018_18_Electricity_电.mp4
019_19_our_Solar_System_太阳系.mp4
o20_20_Inside_the_Earth_地球的内部.mp4
021_21_Shapes_形状.mp4
022_22_Numbers_and_Counting数字和计数.mp4
023_23_Addition_and_Subtraction_加法和减法.mp4
024_24_Counting_Money_数钱.mp4
025_25_Read_and_Write_[阅读和写作.mp4
026_26_Types_of_Writing_写作的类型.mp4
027_27_A_World_of_Lines_and_Colors_线条与色.mp4
028_28_A_World_of_Paintings_绘画的世界.mp4
029_29_Instruments_and_Their_Families.mp4
030_30_A_World_of_Music_音乐的世界.mp4
031_01_Building_Citizenship_建立公民权.mp4
032_02_Moving_to_a_New_Community_移居新国家.mp4
033_03_Lots_of_Jobs_各种工作.mp4
034_04_The_Geography_of_the_United_Sta-.mp4
035_05_American_Federal_and_Local_Gove-.mp4
036_06_Native_Americans_and_Their_Cult-.mp4
037_07_The_Early_Americans早期的美国人.mp4
038_08_The_Europeans_Come_to_the_New_W-.mp4
039_09_The_English_Come_to_American_英国人.mp4
040_10_American_Independence_美国独立.mp4
041_11_Living_and_Nonliving_Things_生物与.mp4
042_12_Kinds_of_Animals动物的种类.mp4
043_13_The_Life_Cycle_of_an_Animal_动物的生.mp4
044_14_Plants_植物.mp4
045_15_The_Food_Chain_食物链.mp4
046_16_Insects_昆虫.mp4
047_17_The_Solar_System_太阳系.mp4
048_18_The_Human_Body_人体.mp4
049_19_Motion_and_Forces_运动与力.mp4
050_20_Sound_声音.mp4
051_21_Numbers_from_1_to_100_数字:从1到100.mp4
052_22_Time_时间.mp4
053_23_Solid_Figures_and_Plane_Figures.mp4
054_24_Multiplication_and_Division_乘法与除.mp4
055_25Leaning_About_Language_如何学习语言.mp4
056_26_Familiar_Sayings_常见格言与谚语.mp4
057_27_Visual_Arts_视觉艺术.mp4
058_28_Architecture建筑学.mp4
o59_29_Many_Kinds_of_Music_音乐的种类.mp4
060_30_Musical_Instruments_乐器.mp4
061_01_Laws_and_Rules_法律与规范.mp4
062_02_Earning,_Spending,_ and_Saving_收入.mp4
063_03_Goods_and_Resources_商品与资源.mp4
064_04_Technology_Changes_the_World科技改变.mp4
065 05_Living_in_Different_Climates_生活在.mp4
066_06_Geography_skills_地理技能.mp4
067_07_The_Government政府部门.mp4
068_08_Ancient_Egypt_古埃及.mp4
069_09_Ancient_Greece_古希腊.mp4
070_10_Ancient_Rome_古罗马.mp4
071_11_A_World_of_Plants_植物的世界.mp4
072_12_A_World_of_Animals_动物的世界.mp4
073_13_Food_Chains_食物链.mp4
074_14_Ecosystems_生态系统.mp4
075_15_Earth’ s_Rocks_and_Soil_地球的岩石和土壤.mp4
076_16_Conserving_Our_Resources_保护资源.mp4
077_17_Earth’s_Changing_Surface地表的变化.mp4
078_18_Weather_and_the_Water_Cycle天气和水循.mp4
079_19_The_Universe_宇宙.mp4
08o_20_The_Senses各种感言.mp4
081_21_Fractions_分数.mp4
082_22_Geometry几何学.mp4
083_23_Multiplication_and_Division乘法和除法.mp4
084_24_Measurement测量.mp4
085_25_Myths_from_Ancient_Greece古希腊神话.mp4
086_26_Learning_About_Language_学习语言.mp4
087_27_Appreciating_Artwork_艺术鉴赏.mp4
088_28_Creating_Designs_创造设计.mp4
089_29_Elements_of_Music_音乐的元素.mp4
090_30_A_World_of_Music音乐的世界.mp4
091_01_The_West_Region_of_the_United_S-.mp4
092_02_The_Southwest_Region_of_the_Uni-.mp4
093_03_The_Southeast_Region_of_the_Uni-.mp4
094_04_The_Northeast_Region_of_the_Uni-.mp4
095_05_The_Midwest_Region_of_the_United.mp4
096_06_The_Mountain_States_of_the_Unit-.mp4
097_07_Mountains,_Rivers,_and_Deserts.mp4
098_08_Asian_Cultures_亚洲文化.mp4
099 09_Europe_in_the_Middle_Ages_中世纪的欧洲.mp4
100_10_The_Civil_War_美国南北战争.mp4
101_11_Inquiry_skills_and_Science_Tools.mp4
102_12_Classifying_Living_Things_生物的分类.mp4
103_13_Heredity_遗传.mp4
104_14_The_History_of_the_Earth_地球的历史.mp4
105_15_The_Weather_and_Water_Cycle_天气与水.mp4
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