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            • [英語聽力] Earth&Sky:水和能量之間的交換

              聽寫填空,只寫填空內容,不抄全文,5-10句,不用寫標號,注意標點,口語中因結巴等問題造成的重復單詞只寫一遍~Hints:thermoelectrichybrid Lisa Epifani: You are listening to Lisa Epifani Assistant Secretary ...

              2012-01-07 07:00
            • [英語聽力] 科學60秒:分解水的細菌

              【全文聽寫】 Hints: MIT Angela Belcher M13 catalyst-iridium porphyrins Nature Nanotechnology H2One main goal in the renewable energy field is to find an efficient, inexpensive way to spl

              2011-12-23 10:00
            • [英語聽力] 科學60秒:分解水的細菌

              【全文聽寫】 Hints: MIT Angela Belcher M13 catalyst-iridium porphyrins Nature Nanotechnology H2One main goal in the renewable energy field is to find an efficient, inexpensive way to spl

              2011-12-23 10:00
            • [英語聽力] 科學60秒:分解水的細菌

              【全文聽寫】 Hints: MIT Angela Belcher M13 catalyst-iridium porphyrins Nature Nanotechnology H2One main goal in the renewable energy field is to find an efficient, inexpensive way to split wate...

              2011-12-23 10:00
            • [英語閱讀] 賓夕法尼亞州的水龍頭,你出的到底是水還是火?

              在賓夕法尼亞州北部,不少居民都面臨著一個生活問題:水龍頭里出的不光是水,還出甲烷。格蘭維爾薩米特的Sherry Vargson就深受其害:她家的水龍頭“出氣”很多,以至于她能夠直接拿出一根火柴在水龍頭下方點燃

              2011-10-07 09:45
            • [英語聽力] Earth&Sky:水循環(huán)

              聽寫填空,只寫填空內容,不抄全文,3-5個句子,不用寫標號,注意標點~ We recently visited the Austin Children's Museum in Texas to record your science questions. This one is from Jeana Lungwitz. Je...

              2011-08-18 06:30
            • [英語聽力] Earth&Sky:水與糧食

              聽寫填空,只寫填空內容,不抄全文,4個單詞/詞組+1個句子,不用寫標號~ Today, Ken Cassman at the University of Nebraska on the subject of water for food.Cassman is a professor of agronomy – the sci...

              2011-07-23 06:30
            • [英語聽力] Earth&Sky:石油提取過程中能量與水的權衡

              聽寫填空,只寫填空內容,不抄全文,4個單詞/詞組+1個句子,不用寫標號~ A rocky substance called oil shale is in western North America. Experts say they can extract usable oil from this shale, but g...

              2011-07-22 06:30
            • [英語聽力] 科學60秒:加點水,更黏稠?!

              Usually, we trust ___1___ to solve problems. Is a runny mixture too thick? Add some fluid. That’ll make it runnier. Except when the fluid makes it thicker. Scientists now think they know why. Th...

              2011-07-16 10:00
            • [英語聽力] 科學60秒:地月水不同 彗星釋緣由

              The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're ____1____. Researchers studying rocks brought back by astronauts have found that the moon's scarce water has ...

              2011-07-04 10:00