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
7
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] 【B6】
选项
答案
estimates
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3492226.html
相关试题推荐
CanBusinessBeCool?Whyagrowingnumber
[originaltext]Notonlyfarmersbutalsoscientistshavestudiedweatherfore
[originaltext]Notonlyfarmersbutalsoscientistshavestudiedweatherfore
[originaltext]Notonlyfarmersbutalsoscientistshavestudiedweatherfore
【B1】[br]【B6】A、increasingB、revisingC、tiringD、worryingC语义衔接题。由"freeingus"和厨
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
Ithasbeenprovenmanytimesthatfarmersfarmtheirownlandmorecarefullyan
随机试题
ResearchersattheUniversityofCalifornia-Berkeleyarechallengingourlon
Therearethreepeoplewalkingalongastreet,firstabigman,thenaprett
相当大地considerably;greatly
样本制作是将产品转化为试样的一组必要操作。()
患者,女,25岁,经阴道分娩后第3天,会阴侧切口红肿,护士铺好无菌盘进行会阴部皮
Thechangeinthatvillagewasmiraculou
A.渗滤法 B.冷浸法 C.回流提取法 D.连续回流提取法 E.水蒸汽蒸
我国最小的一级农村地区的基层组织是( )。A.行政村 B.镇或乡 C.小城
下列说法中正确的是()。A:人耳对1000~4000赫兹的声波最敏感B:人耳对
关于肠内神经系统的叙述,错误的是A.是指消化道壁内的神经丛 B.不受外来神经的
最新回复
(
0
)