英语陪练学习

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英语陪练学习

Step1

01 Stone Tools and Pottery 02 Earthquake Prediction 03 Attempts at Determining 04 Plant and Animal Life of 05 Aquatic Desert Animals

Step2

06 Architectural Change in 07 Artisans in Sixteenth 08 Bird Colonies 09 Birdsong 10 Bison and Humans

Step3

11 Changes in the Amount 12 Characteristics of Tropical 13 Cognitive Maps in Animals 14 Controversy about Causing 15 Costs of Quitting a Job

Step4

16 Cretaceous Extinctions 17 Currency and the Emergence 18 Day Length and Flowering 19 Debate about the Earliest 20 Determining Past Climates

Step5

21 Disease and History 22 Documenting the Incas 23 Early Ideas of Continental 24 Economic Decline in Europe 25 Eli Terry

Step6

26 European Context of 27 Extinction and the 28 Extinctions at the End 29 Features of Tropical 30 Forms of Locomotion

Step7

31 Gliding and Soaring 32 Habitat Selection 33 Honeybee Society 34 How Plants and Animals 35 Human Impacts on Biogeography

Step8

36 Hunting and the Setting 37 Impacts and Mass Extinctions 38 Individual Performance 39 Insect Wings 40 Iron working in Africa

Step9

41 Life on Mars 42 Live Performance 43 Mating Songs of Frogs 44 Mesopotamian and Egyptian 45 Milankovitch Cycles

Step10

46 Newspaper in Western 47 Origins of the Megaliths 48 Parental Care by Frogs 49 Photography and the pictorial 50 Pleistocene Climate

Step11

51 Poisonous Insects and the Birds 52 Portraits as Art 53 Raising Bees in Asia 54 Sea Life Adaptations in 55 Sleep

Step12

56 Small Mammals 57 Southwest Agriculture 58 Sumerian Contributions 59 Temperature Regulation 60 The British Economy Under

Step13

61 The Classic Mayan Collapse 62 The Early History of Motion 63 The Extinction of the Dinosaurs 64 The First Eyes 65 The Greek Revival

Step14

66 The Qualities of a Good 67 The Rise of Florence 68 Understanding Ancient 69 Understanding the Construction 70 Urban Development in the United

Step15

71 Weak Electric Systems in Fish 72 Written Records

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