首页
登录
职称英语
Increasing numbers of farmers are growing genetically engineered crops. A ne
Increasing numbers of farmers are growing genetically engineered crops. A ne
游客
2024-02-29
24
管理
问题
Increasing numbers of farmers are growing genetically engineered crops. A new report also says that the total land area where such crops are grown is increasing.
Genetic engineering is the technology of changing the genes of living things. Genes are parts of【B1】______ that control 【B2】______ and development. A changed gene directs a plant or other【B3】______ to do things it normally does not do. For example, a plant may be genetically engineered to【B4】______ insects.
There is plenty of【B5】______ information about genetically engineered crops. Critics of genetic engineering say the technology is a threat to human health and the environment.
The new report【B6】______ that farmers grew genetically engineered crops on more than 52 million hectares of farmland last year. That【B7】______ an increase in land area of 19 percent【B8】______ to the year before.
【B9】______. Four countries grew 99 percent of all genetically engineered crops last year. The United States grew 68 percent of the world total. Argentina grew 22 percent. Canada was next with 6 percent.
The report says soybeans were the most common genetically engineered crop. They were grown on 33 million hectares of farmland, Other common genetically engineered crops were com and cotton.
【B10】______The scientists say the genes were found in wild corn growing in the mountains of southern Mexico.【B11】______. [br] 【B3】
选项
答案
organism
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3492223.html
相关试题推荐
[originaltext]Notonlyfarmersbutalsoscientistshavestudiedweatherfore
【B1】[br]【B6】A、increasingB、revisingC、tiringD、worryingC语义衔接题。由"freeingus"和厨
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
随机试题
A.understoodB.lengthC.optimismD.bridalE.happenedF.evenG.ide
WhatwasFrankdoingatthebeginningoftheconversation?[br][originaltext]W
在对大型及复杂项目实施跟踪和控制的过程中,需要重点关注的环节是()。A.
股票按股东享有权利的不同,可以分为( )。 Ⅰ记名股票 Ⅱ优先股 Ⅲ不记
104只蓄电池的蓄电池组,浮充电压一般宜控制在()。220V$;$230V$;$
小天的爸爸工作很忙平时不在家,小天总是喜欢和妈妈在一起。小天做错事情,爸爸很严厉
既能活血调经,又能补血调经的药物是A.红花 B.益母草 C.丹参 D.鸡血
下列各项费用支出中,应在“销售费用”科目核算的有()。A.因销售商品而发生的
建设工程进度控制的经济措施之一是指()。A.业主对应急赶工给予优厚的赶工费用
A.低色素性贫血 B.大细胞性贫血 C.溶血性贫血 D.再生障碍性贫血
最新回复
(
0
)