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
The researchers put all the plants in a greenhouse to grow under normal conditions for forty days. Then, for fifteen days after
The researchers put all the plants in a greenhouse to grow under normal conditions for forty days. Then, for fifteen days after
admin
2010-07-24
47
问题
The researchers put all the plants in a greenhouse to grow under normal conditions for forty days. Then, for fifteen days after that, the plants did not receive any【S1】______. The normal plants lost their green color. Finally, they lost their leaves. But the researchers say the【S2】______plants kept their leaves and their【S3】______.
After the fifteen dry days, all the plants were watered again for a week. The transgenic plants returned to【S4】______growth, and their seed production was close to normal But the other plants all died.
Rosa Rivera says the transgenic plants kept a【S5】______high water level. They also【S6】______to produce energy during the dry period, although at a reduced level. The amount of seeds they produced was close to normal. In addition, the researchers found that the plants could【S7】______on only thirty percent of the normal amount of【S8】______water. Yield loss was minor, they said.
The【S9】______appeared late last year in the Proceedings of the National Academy of Sciences. The University of California has applied for patent【S10】______for the technology. The researchers expect to move forward with field testing of the transgenic tobacco in late August. They hope for similar results with crops like tomatoes, rice, wheat and cotton.
A)similar I)color
B)keep J)production
C)water K)level
D)relatively L)findings
E)normal M)continued
F)survive N)protection
G)gained O)irrigation
H)transgenic
【S9】
选项
答案
L
解析
本文主要说明转基因植物抗旱性强和缺水对产量的影响较小,并强调是在最近植物研究领域发现的,故选findings(研究结果) 。
转载请注明原文地址:https://kaotiyun.com/show/UPN7777K
0
大学英语四级
相关试题推荐
A、Themanhadbetterdropmorethanone.B、Theman’scourseisthebestofthefour.C、Themanmustbeanexcellentstudent.D、T
Itiscommonforolderpeopletoforgetthings.NowanAmericanstudyhasfoundthatmemorystartstofailwhenweareyoungadu
Somepeoplearebetteratrememberingthingsthanothers.AuntIdamightrecallin【S1】______detailwhatsheateattheBluebird
A、ApologizetoDonna.B、ConfrontDonnadirectly.C、ExcuseDonnatobehavior.D、WriteDonnaalatter.B
A、Becausehewasnotinterestedinanyjobinthemarket.B、Becauseheisnotskillfulatcomputing.C、BecauseheisanEnglish
Thiswould____________(证明非常有益)toapersonwhomayhavelostabodyorgansuchasakidney,scientistscouldclonethatparticul
ValentineHistory,TraditionsandCustomsEveryFebruary,acrossthecountry,candy,flowers,andgiftsareexchangedbetwee
A、Thestategovernment.B、Thelocalgovernment.C、Thecollegeoruniversity.D、Aforeignstudent’snativecountry.C
A、Thepracticecanhelpbuildacleangovernment.B、Thepracticeshowstheideaof"rulingsocietybymen."C、Thepracticedoes
A、Itwassuggestedbyaformerlocalofficial.B、Itwassetbythelocalgovernment.C、Itwasproposedbylocalresidents.D、Itw
随机试题
下面哪项不是肺动脉栓塞的典型心电图改变
(2007)在R=9kΩ、L=9H、C=1μF三个元件串联的电路中,电路的暂态属于()。
“十二五”时期,完善金融调控机制,国家将()
根据《通用安装工程工程量计算规范》(GB50856—2013)相关规定,对给排水采暖燃气管道进行工程计量说法正确的有()。
投资者向证券经纪商下达买进或卖出证券的指令被称为()。
下列关于商业银行通过业务外包以管理其操作风险的说法,不正确的是()。
以下不属于我国开办的国内贸易融资业务的有()。
教育目的是各级各类教育培养人的总的_______和总的________,是各级各类学校工作遵循的总方针。
西周时期的契约制度比较发达,其中买卖奴隶、牛马等大宗交易使用的契券称为()
Therearemanywhobelievethattheuseofforce______politicalendscanneverbejustified.
最新回复
(
0
)