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
2023-07-28
32
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/2875963.html
相关试题推荐
Genetically-modified(GM)foodstuffsareheretostay.That’snottosaytha
Genetically-modified(GM)foodstuffsareheretostay.That’snottosaytha
Genetically-modified(GM)foodstuffsareheretostay.That’snottosaytha
Genetically-modified(GM)foodstuffsareheretostay.That’snottosaytha
Genetically-modified(GM)foodstuffsareheretostay.That’snottosaytha
Thereisanewtypeofsmalladvertisementsbecomingincreasinglycommonin
Thereisanewtypeofsmalladvertisementsbecomingincreasinglycommonin
Thereisanewtypeofsmalladvertisementsbecomingincreasinglycommonin
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
随机试题
Culturereferstothesocialheritageofapeople—thelearnedpatternsfo
Writing&BookCampAugust9—13,2013atVancouverPu
Asociety’seconomic【B1】______anditsculture,ortraditionsandwayoflife
下列关于汉字特点的表述,正确的有( )。A.汉字是表意体系的文字 B.汉字的
下列关于三级资质标准表述正确的是()。A.企业近3年承担过3项以上单位工程造价
某基金2016年1月1日投资A公司100万元,获得A公司20%股权份额,2016
A.阿霉素B.放线菌素DC.环磷酰胺D.丝裂霉素E.紫杉醇抗瘤谱较窄,对放疗有增
对于健康教育与"卫生宣教"的主要区别,说法正确的是A.健康教育是简单的信息传播
【继电保护及自动装置】183、()瞬时电流速断的电流是按躲过被保护线路末端的
“钟鸣鼎食”往往用来形容贵族生活。考古发现的青铜乐器“钟”始见于周代遗址,可能存
最新回复
(
0
)