首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Increasing numbers of farmers are growing genetically engineered crops. A new report also says that the total land area where su
Increasing numbers of farmers are growing genetically engineered crops. A new report also says that the total land area where su
admin
2010-04-12
78
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】______.
【B11】
选项
答案
The finding is most unusual because the Mexican government has banned the planting of genetically engineered corn since 1998.
解析
转载请注明原文地址:https://kaotiyun.com/show/7Rj7777K
0
大学英语四级
相关试题推荐
A、Detectthesmokequickly.B、Takequickaction.C、Closethetunnel.D、InstallaRobogat.B根据文中“Quickactionisneededwhenfire
___________(科学家们将会提出)newmethodsofincreasingtheworld’sfoodsupply.
A、He’llbespeakingattheendofthemeeting.B、Hewassupposedtospeaklastnightinstead.C、Hesuddenlydecidednottospeak
ExaminationshavealongerhistoryinChinathaninanyothercountry,yetitistodayanissuearoundinwhichcontroversyflou
WhenmenreturnedfromWorldWarIIandthepostwar"babyboom"began,Americansbegantomoveingreatnumberstothe【B1】______
WhenmenreturnedfromWorldWarIIandthepostwar"babyboom"began,Americansbegantomoveingreatnumberstothe【B1】______
A、Overtheradio.B、Atadoctor’soffice.C、Attheman’shouse.D、Atadrugstore.A信息明示题,对话开头女士就说welcometo"Advice"radioprog
Thehumanbodyisaremarkablefoodprocessor.Asanadult,youmayconsume【B1】______atonoffoodperyearandstillnot【B2】___
A、Itwasgettingdark.B、Hewasafraidofbeingblamedbyhisfriend.C、Thebirdsmighthaveflownaway.D、Hisfriendwouldarri
A、Ahouseofhisown.B、Arichfriend.C、Areliablefriend.D、Arichfather.A
随机试题
当今时代的潮流是()。
下列在人工培养基上生长后呈现“油煎蛋”样菌落的微生物是
与下颌管关系密切的牙齿是
排便失禁的护理重点是()
海南省天南公司与海北公司于2009年6月签订了一份租赁合同,约定由天南公司进口一套化工生产设备,租给海北公司使用,海北公司按年交付租金。海南省A银行出具担保函,为海北公司提供担保。后来天南公司与海北公司因履行合同发生争议。请问:如果本案通过仲裁程序处
甲公司下列经济业务中,相关借款费用不应予以资本化的是()。
在窗体上画一个命令按钮,然后编写如下代码:PrivateSubCommand1_Click()DimM(10)AsIntegerFork=1To10M(k)=12-kNextkx=6MsgboxM(2+M(x))End
Eye-trackerLetsYouDragandDropFileswithaGlanceBoredofusingamouse?Soonyou’11beabletochangestuffonyour
WhereisMr..B1ack?
A、Thenameofadog.B、Thenameofaflavoring(调味品).C、Thenameofaperson.D、Awayofcooking.A细节题。从Adachshundisalovely
最新回复
(
0
)