单词：unit normal vector field
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Hi, Mum Hi, John, how was school? It was fun, Mrs Lee showed us how to do science experiments. Wow, what did you do? We did an experiment with water, we boiled it and it evaporated. It was neat. Well, that sounds like fun. I am glad you liked it. (n
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Task 2: When was music first sent down a telephone line? So you think downloading music from the Internet through a phone line is a really cool modern thing? Not so. In 1896, Thaddeus Cahill Filed a patent on the instrument for transmitting music ele
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Unit 3 consider vt 考虑；照顾；认为 means n 手段；方法 transportation n 运输；运送 board n 上（船、飞机等） △destination n 目的地 experience vt＆n 体验；经历；经验 simply adv 仅仅；只不过；简单地；完全
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unit02 Mirror Miracle镜子的魔力 We are all more obsessed with our appearance than we like to admit. Concern about appearance is quit normal and understandable. Attractive people have distinct advantages in our society. Studies show: Attractive c
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Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the
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1. Explosions rocked Beirut. Lebanese security officials say Israeli warships have been firing on the city southern suburbs. Local police reported at least five deaths. This after an Israeli raid that
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SEC（Single Edge Connector，单边连接器） Shallow-Trench Isolation（浅槽隔离） SIMD（Single Instruction Multiple Data，单指令多数据流） SiO2F（Fluorided Silicon Oxide，二氧氟化
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UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t
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