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聽寫填空,只寫填空內(nèi)容,不抄全文,5-10句,不用寫標(biāo)號,注意標(biāo)點(diǎn),口語中因結(jié)巴等問題造成的重復(fù)單詞只寫一遍~Hints:thermoelectrichybrid Lisa Epifani: You are listening to Lisa Epifani Assistant Secretary ...

【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...

【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

【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

在賓夕法尼亞州北部，不少居民都面臨著一個(gè)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(diǎn)燃

聽寫填空,只寫填空內(nèi)容,不抄全文,3-5個(gè)句子,不用寫標(biāo)號,注意標(biāo)點(diǎn)~ We recently visited the Austin Children's Museum in Texas to record your science questions. This one is from Jeana Lungwitz. Je...

聽寫填空,只寫填空內(nèi)容,不抄全文,4個(gè)單詞/詞組+1個(gè)句子,不用寫標(biāo)號~ Today, Ken Cassman at the University of Nebraska on the subject of water for food.Cassman is a professor of agronomy – the sci...

聽寫填空,只寫填空內(nèi)容,不抄全文,4個(gè)單詞/詞組+1個(gè)句子,不用寫標(biāo)號~ A rocky substance called oil shale is in western North America. Experts say they can extract usable oil from this shale, but g...

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...

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 ...