Unit 1 The Greatest Show on Earth 世上最棒的表演――馬戲團(tuán)
Unit 2 The Shadow Tells All 春神來(lái)了怎知道？土撥鼠為您來(lái)預(yù)報(bào)
Unit 3 Take Our Daughters and Sons to Work Day 帶兒女上班日
Unit 4 Helping Hands 伸出“猿”手，助人一生
Unit 5 Swimming 游泳
Unit 6 Traffic Lights Then and Now 交通信號(hào)燈的歷史和今天
Unit 7 Destination: Iceland 前進(jìn)冰島
Unit 8 Fitness the Army Way 塑身新兵營(yíng)
Unit 9 Tianmu Flea Market 淘寶的好去處――天母生活市場(chǎng)
Unit 10 Bristol International Balloon Fiesta 布里斯托國(guó)際熱氣球節(jié)
Unit 11 Fighting the Good Fight: World AIDS Day 全球攜手抗艾滋
Unit 12 Let's Talk about Trash 汪洋中的“一片垃圾”
Unit 13 Track and Field 最古老的運(yùn)動(dòng)競(jìng)賽――田徑
Unit 14 Clothespins 小小衣夾大學(xué)問(wèn)
Unit 15 Destination: Cambodia 前進(jìn)柬埔寨
Unit 16 Rock 'n' Roll Fantasy Camp 搖滾夢(mèng)幻營(yíng)――終極的搖滾體驗(yàn)
Unit 17 Morgan's Wonderland 身心障礙人士的天堂――摩根仙境樂(lè)園
Unit 18 Honoring the Caregivers 國(guó)際護(hù)士節(jié)
Unit 19 A Gift that Saves Lives 獻(xiàn)血一袋，救人一命
Unit 20 RoboCup 機(jī)器人世界杯
Unit 21 America's Game 美式足球的年度盛事――超級(jí)杯
Unit 22 Popping Popcorn 電影良伴
Unit 23 Destination: Dubai 前進(jìn)迪拜
Unit 24 The Hidden World of Autism 走入自閉癥患者的世界
Unit 25 The Best of the Worst 糟糕，也是一門藝術(shù)――金酸梅獎(jiǎng)
Unit 26 Celebrating Mothers 贊頌?zāi)赣H的節(jié)日
Unit 27 A New View from Taichung 臺(tái)中環(huán)保新地標(biāo)――臺(tái)灣塔
Unit 28 Google Doodles Google 圖標(biāo)大變身
Unit 29 Let Your Fingers Do the Skating 手指也能玩滑板
Unit 30 The Mighty Ferris Wheel 摩天輪的起源
Unit 31 Destination: Monaco 前進(jìn)摩納哥
Unit 32 Making a Difference : One Shoe at a Time 買鞋也能做公益
Unit 33 Reefs of Art 人工礁巖――美麗的海底藝術(shù)品
Unit 34 Macy's Thanksgiving Day Parade 梅西百貨感恩節(jié)大游行
Unit 35 Balancing Seven Billion People 人口沖破70 億，地球資源拉警報(bào)
Unit 36 E-Books and Their Readers 電子書(shū)時(shí)代來(lái)臨
Unit 37 Fun and Odd: Alternative Workouts 另類運(yùn)動(dòng)大搜奇
Unit 38 It's Cool to Be a Refrigerator 冰箱進(jìn)化論
Unit 39 Destination: The Congo 前進(jìn)剛果河
Unit 40 For the Love of Animals 愛(ài)護(hù)動(dòng)物，人人有責(zé)
Unit 41 More than Just a Doll 魅力不可擋的美國(guó)女孩娃娃
Unit 42 A Festival of Sheep 澳大利亞奔羊節(jié)
Unit 43 For the Love of Noodles 美味方便面攻占您的胃
Unit 44 Solar Energy 能源新選擇――太陽(yáng)能
Unit 45 A Gentlemen's Game 紳士的運(yùn)動(dòng)――網(wǎng)球
Unit 46 Libraries—Halls of Knowledge 圖書(shū)館――知識(shí)的殿堂
Unit 47 Destination: The French Riviera 前進(jìn)法國(guó)蔚藍(lán)海岸
Unit 48 A Better Life for Every Child 守護(hù)兒童的聯(lián)合國(guó)兒童基金會(huì)
Unit 49 Monsters On Wheels 超級(jí)四輪怪獸
Unit 50 King of the Sandcastle 海灘沙雕競(jìng)賽樂(lè)
Unit 51 ICEHOTEL 用冰打造的旅館
Unit 52 Every Dog Has His Day 壓力很大嗎？到圖書(shū)館借狗來(lái)減壓！
Unit 53 Empire State Building Run-Up 帝國(guó)大廈登高賽
Unit 54 Post-It Notes 備忘好幫手
Unit 55 Destination: San Francisco 前進(jìn)美國(guó)舊金山
Unit 56 Hotline to Help 關(guān)鍵熱線，即刻救援
Unit 57 The Polar Bear Plunge 冬泳俱樂(lè)部
Unit 58 Hula, Anyone? 快樂(lè)國(guó)王呼拉圈舞節(jié)慶
Unit 59 The World of Stand-Up Comedy“脫口”笑開(kāi)懷
Unit 60 The Science of Happiness 快樂(lè)的科學(xué)
Unit 61 Harlem Globetrotters 哈林籃球隊(duì)
Unit 62 The Soap Story 肥皂的歷史
Unit 63 Destination: Queensland, Australia 前進(jìn)澳大利亞昆士蘭
Unit 64 Teddy and the Bear 人見(jiàn)人愛(ài)的泰迪熊
Unit 65 It's All in the Bento 色香味俱全的日本創(chuàng)意便當(dāng)
Unit 66 The Tricks and Treats of Halloween 你要 TRICK，還是 TREAT ？
Unit 67 The Smile of All Smiles 笑進(jìn)您心坎里的微笑標(biāo)志
Unit 68 Pee Power“噓噓”的力量
Unit 69 Strange and Unusual Competitions 古怪競(jìng)賽大搜奇
Unit 70 Four Wheels and a Board 滑板――沖浪者的突發(fā)奇想
Unit 71 Destination: Whistler, Canada 前進(jìn)加拿大惠斯勒
Unit 72 Achoo! 花粉癥讓你“ 阿嚏”不停
Unit 73 Twinkling Lights of Christmas 璀璨奪目的圣誕燈飾
Unit 74 Celebrating Roses 玫瑰的禮贊
Unit 75 LEGO 樂(lè)高——制造歡樂(lè)的積木
Unit 76 The Science of Cooking 廚房實(shí)驗(yàn)室
Unit 77 Quack Your Way through the City 水陸兩用觀光車――鴨子船
Unit 78 The Roller Coaster 過(guò)山車――震撼您的五臟六腑
Unit 79 Destination: Okinawa 前進(jìn)沖繩
Unit 80 McDonald's Making a Difference 麥當(dāng)勞叔叔兒童之家
Review Exercises
The Answers of Review Exercises
Vocabulary & Translations
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