搜狗做题网谁能给我几段关于科技的英语文章
来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/05/02 22:07:35
谁能给我几段关于科技的英语文章
New technology may help scientists decode dolphin communication.Florida-based dolphin researcher Jack Kassewitz and British acoustic engineer John Stuart Reid are analyzing dolphin sounds with an instrument called a CymaScope.The scope has a thin membrane that vibrates as sound passes through it.Then it converts those vibrations into a 3-D,high-definition image.Kassewitz hopes the unprecedented detail will solve some mysteries.
Pamela Martin is a geophysicist at the University of Chicago.She co-authored a 2009 study analyzing the environmental impact of an American diet based on meat versus a diet based on vegetables.
Pamela Martin:Right now the current mean American diet has 28% meat,but there’s nothing to say that if we all cut back to 10% that we would suffer nutritionally.And yet the environment would benefit quite a bit from that.
Martin’s study examined how much land a meat-based diet versus a vegetable-based diet would require to support Americans.
Pamela Martin:You need about four and a half times the amount of land to grow feed that you feed for cattle,versus using that land directly to grow food that we would directly consume.
Ultimately,Martin said,raising livestock requires more fertilizer and emits more greenhouse gases.These have environmental impacts.
Pamela Martin is a geophysicist at the University of Chicago.She co-authored a 2009 study analyzing the environmental impact of an American diet based on meat versus a diet based on vegetables.
Pamela Martin:Right now the current mean American diet has 28% meat,but there’s nothing to say that if we all cut back to 10% that we would suffer nutritionally.And yet the environment would benefit quite a bit from that.
Martin’s study examined how much land a meat-based diet versus a vegetable-based diet would require to support Americans.
Pamela Martin:You need about four and a half times the amount of land to grow feed that you feed for cattle,versus using that land directly to grow food that we would directly consume.
Ultimately,Martin said,raising livestock requires more fertilizer and emits more greenhouse gases.These have environmental impacts.