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jin rong feng bao , gai ge xin qi dian
Pages: 3
Year: Issue:  1
Journal: Current Fisheries

Keyword:  GetLinkList(KeywordFilter('金融风暴:6722金融危机:4786改革:2516企业现金流:2378青蛙:2311生物实验:2293新起点:2151水温:1513麻痹:1115热水:1069')'kw''CJFQ');
Abstract: <正>初中生物老师曾做过这样一个生物实验:把青蛙扔进一锅热水里,这只青蛙立刻"哇哇"怪叫,并以最快的速度跃出热水锅;而如果把青蛙放在常温水中,然后加热慢慢将水温升高,青蛙会一直安静地待在水里,丝毫感觉不到危险在靠近。当它察觉水温有些异样时,奋力一跃却发觉
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