当前位置 :
Todaythereare6billionpeopleontheearth.Bytheyear2050theremaybe12.5billion.Thismeansweneedmorefood.Onewaytoproducemorefoodisbygrowingstrongerplants.Forthousandsofyears,farmershavemadeplantsbetter.Everyseason,theyp
1人问答
问题描述:

Todaythereare6billionpeopleontheearth.

Bytheyear2050theremaybe12.5billion.Thismeansweneedmorefood.

Onewaytoproducemorefoodisbygrowingstrongerplants.Forthousandsofyears,farmershavemade

plantsbetter.Everyseason,theypickthebestplantsforthenextseason.Itworksveryslowly.Since1983,

scientistshavebeenabletochangeplantsmorequicklybychangingtheirgeneticmaterial(遗传物质).Foods

fromplantsgrowninthiswayarecalledgeneticallymodifiedfoods(转基因食品),orGMfoods.

Bychangingthegeneticmaterialofaplant,itispossibletomakenewplants.Theymakeplantswhichare

strongagainstplantdiseases.Theycanalsohelpinourdiseases:akindofriceisbeingprepared(准备),for

example,whichstopspeoplefrombecomingblind.

RichcountriesproduceGMfoodbecausetheyareeasytogrowandbringinmoremoney.Poorcountries

areinterestedinthembecausetheyhelpproducemorefood.

GMplantsarenotnatural.Nooneknowshowgoodorbadtheyare.MakingGMfoodsisonlyoneway

offeedingpeoplein2050.Therearestrongfeelingsagainstthem,becausetheyareunnatural.Theymayfeed

people,thenhurtthemortheirchildrenlater.But,bothrichandpoorcountriesareveryinterestedintheiruse,

andtheyarenotgoingtogoaway.In2050wemaythinkdifferentlyaboutthem.

1.Whatwillthepopulationoftheworldbein2050?

2.Howdidscientistschangeplantsquickly?

3.what'stheadvantagesofGMfoods?

4.what'sthedisadvantagesofGMfoods?

5,DoallthepeoplelikeGMfoods?

任小璐回答:
  Bytheyear2050theremaybe12.5billion.Theychanged theplants'geneticmaterial.MakingGMfoodsisonlyonewayoffeedingpeoplein2050.Theymayfeed people,thenhurtthemorth...
最新更新
热门英语
PC端 | 移动端 | mip端
字典翻译(zidianfy.com)汇总了汉语字典,新华字典,成语字典,组词,词语,在线查字典,中文字典,英汉字典,在线字典,康熙字典等等,是学生查询学习资料的好帮手,是老师教学的好助手。
声明:本网站尊重并保护知识产权,根据《信息网络传播权保护条例》,如果我们转载的作品侵犯了您的权利,请在一个月内通知我们,我们会及时删除。
电话:  邮箱:
Copyright©2009-2021 字典翻译 zidianfy.com 版权所有 闽ICP备2022014709号-7
lyric 頭條新聞