单词:BTU (British thermal unit)
单词:BTU (British thermal unit) 相关文章
31 British Columbia British Columbia is the third largest Canadian provinces, both in area and population. It is nearly 1.5 times as large as Texas, and extends 800 miles(1,280km) north from the United States border. It includes Canadas entire west
Unit 12 DIALOGUE I Music A: You have a very good stereo system ... What a fine sound it produces! I feel like I'm sitting in a grand concert hall. B: It is a good system. It has fine treble, soft bass
Unit 5 TEXT I The Light at the End of the Chunnel Text In a hotel lobby in Sandgate, England, not two miles from the soon-to-be-opened English Channel Tunnel, stiff upper lips trembled. For the first
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Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some
[00:02.17]Unit 24 Society Warm-up [00:05.98]Exercise 2 Listen to a radio news report [00:10.24]about changes in British society. [00:13.23]Match the topics with the graphs below. [00:17.35]A recent report on British society [00:19.50]has shown that m