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
40
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] 【B2】
选项
答案
growth
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2875962.html
相关试题推荐
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntil
Increasingnumbersoffarmersaregrowinggeneticallyengineeredcrops.Ane
Increasingnumbersoffarmersaregrowinggeneticallyengineeredcrops.Ane
Increasingnumbersoffarmersaregrowinggeneticallyengineeredcrops.Ane
Increasingnumbersoffarmersaregrowinggeneticallyengineeredcrops.Ane
随机试题
Lestanyone______itstrange,letmeassureyouthatitisquitetrue.A、thoughtB
[originaltext]M:Okay.MayIseeyourdriver’slicenseplease?W:What?DidId
Haveyouheardaboutspeechtherapy?Aspeechtherapistisaspecialistwho
20箱零件,每箱都随机抽取5个零件,共100个零件组成样本的抽样方法为()。A
有关脊髓裂手术治疗的目的,下列错误的是A.切除骨性、软骨性及纤维性隔膜 B.修
Thechangeinthatvillagewasmiraculou
吸气性呼吸困难多见于<P>A.支原体肺炎<br>B.金黄色葡萄球菌肺炎<br>C
企业设定管理幅度时应当考虑()等主要因素。A.行业特点 B.人员素质
最容易发生囊肿的唾液腺是A.腮腺 B.唇腺 C.舌下腺 D.下颌下腺 E
与MHC.Ⅱ类分子结合的是A.CD2 B.CD3 C.CD4 D.CD5
最新回复
(
0
)