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
63
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.acrossB.shortC.actualD.tentativelyE.alteredF.quickG.corre
Thoreau’s______isfullofeco-wisdom.A、NatureB、Self-RelianceC、WaldenD、Moby
[originaltext]Policeman:Now,sir,I’msorrytohavekeptyouwaiting.Ihadto
下列选项中,相比较而言,儿童和少年不太需要()的出版物。
清廉金融产品,强调金融产品的()是金融客户关注的重点,必须经得起客户及社会
收单银行应当对特约商户建立不定期现场核查制度,重点核对其银行卡受理终端使用范围、
江西“十一五”进出口总额为:A.214.53亿美元 B.634.91亿美元
2017年第一季度,某省农林牧渔业增加值361.78亿元,比上年同期增长5.9%
青霉素类药物的抗菌机制是A.抑制细菌二氢叶酸还原酶B.抑制细菌二氢叶酸合成酶C.
工程建设国家标准的制订程序分为以下四个阶段,下列的阶段划分中,正确的是()。A.
最新回复
(
0
)