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To better know their carbon footprint, a group of Australian landowners are doing their own calculations on what climate change could mean for them. They're looking at ways to improve yields and efficiency in their respective industries while lowerin
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[00:04.49]Reading WHO AM I? [00:09.25]I began only as a calculating machine in 1642 in France. [00:16.51]Then in 1822 I was built as an Analytical Machine by Charles Babbage. [00:25.57]I followed instructions from cards with holew. [00:30.62]I know t
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by Jason Marshall In the last article, we applied our knowledge of fractions to begin making sense of percentages, and we used this new tool to quickly and easily calculate how much to tip at restaurantsall in our heads! Today, were continuing our ex
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This is Whats Trending Today. Last week, the American space agency NASA announced it was looking for a Planetary Protection Officer. Many people discussed the job on social media. The Washington Post called the jobs title one of the greatest ever con
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New Words ray n. 射线；光线； balcony n. 阳台； railing n. 栏杆；扶手 foreground n. 前景 retort n. 反驳，顶嘴； flavor n. 情味，风味； still n.平静,静物; 静止摄影; The musician Rubenstein often went to Picasso's st
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calculating 工于心计的，精于计算的 Mike is a cold, calculating person. 麦克是个冷酷的、有心计的人。 He is a good guy, but he is also calculating. 他人不错，但也特别精明。
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