英语陪练学习

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英语陪练学习

Step1

01 Stone Tools and Pottery 02 Aquatic Desert Animals 03 Architectural Change 04 Artisans in Sixteenth 05 Bird Colonies

Step2

06 Birdsong 07 Bison and Humans 08 Changes in the Amount of 09 Characteristics of Tropical Rain 10 Cognitive Maps in Animals

Step3

11 Controversy about Causing 12 Costs of Quitting a Job 13 Cretaceous Extinctions 14 Currency and the Emergence 15 Day Length and Flowering Plants

Step4

16 Debate about the Earliest 17 Determining Past Climates 18 Disease and History 19 Documenting the Incas 20 Early Ideas of Continental Drift

Step5

21 Economic Decline in Europe 22 Eli Terry 23 European Context of the Scientific 24 Extinction and the Mammoth 25 Extinctions at the End of

Step6

26 Features of Tropical Mammals 27 Forms of Locomotion 28 Gliding and Soaring 29 Habitat Selection 30 Honeybee Society

Step7

31 How Plants and Animals 32 Human Impacts on Biogeography 33 Hunting and the Setting of Inner 34 Impacts and Mass Extinctions 35 Individual Performance and

Step8

36 Insect Wings 37 Iron working in Africa 38 Life on Mars 39 Live Performance 40 Mating Songs of Frogs

Step9

41 Mesopotamian and Egyptian 42 Milankovitch Cycles and Glaciation 43 Newspaper in Western Europe 44 Origins of the Megaliths 45 Parental Care by Frogs

Step10

46 Photography and the pictorial 47 Pleistocene Climate 48 Poisonous Insects and the Birds 49 Portraits as Art 50 Raising Bees in Asia

Step11

51 Sea Life Adaptations in the 52 Sleep 53 Small Mammals 54 Southwest Agriculture 55 Sumerian Contributions

Step12

56 Temperature Regulation 57 The British Economy Under 58 The Classic Mayan Collapse 59 The Early History of Motion Pictures 60 The Extinction of the Dinosaurs

Step13

61 The First Eyes 62 The Greek Revival 63 The Qualities of a Good 64 The Rise of Florence 65 Understanding Ancient

Step14

66 Understanding the Construction 67 Urban Development in the United 68 Weak Electric Systems in Fish 69 Written Records

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