老師吵架
Biodiversity - Faculty & Staff, Georgia Perimeter College買五斤肉就被少了五兩秤,都太氣憤,互相鼓勵:「五個教書匠難道還怕一個殺豬匠嗎?」於是前去理論~化學老師扶扶眼鏡:「師傅,或許你今天多喝了幾杯乙醇,沒認清秤星吧,肉是氫,氧,碳三種元素的結合,難道你這肉氫和氧結合得太多了?照理說肉是脂肪,不是汽油煤油這些烴一類物質,怎麼這麼快就揮發了250克呢?」殺豬Biodiversity 16 June 2010 * Biodiversity.ppt Biodiversity 16 June 2010 Biodiversity.ppt * Variety of living things, number of kinds Ecological diversity different habitats, niches, species interactions Species diversity different kinds of organisms, relat...
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