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| 这是一套优秀的分级英语读物 我们想对老师们说 我们想对同学们说 Notes A Before Reading 1 Air and Gravity 2 Birds 3 Kites 4 Boomerangs 5 Balloons 6 Airships 7 Parachutes 8 Hang-gliders 9 gliders 10 Powerd Flight B While Reading 11 Helicopter 12 Jet Aircraft 13 Supersonic Areoplanes 14 Vertical Take-off 15 Hovercraft 16 Flying an Aeroplane 17 Wings 18 Speed 19 Flight and Gravity 20 Space Flight Points for Understanding C After Reading Answer Key 新标准中小学分级英语读物 |
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