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
100
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
【S3】
选项
答案
I
解析
此处应填动词。由第一段中的“The normal plants lost their green color(普通的植物渐渐褪去绿色) ”可知转基因植物保持了它们新鲜的颜色。
转载请注明原文地址:https://kaotiyun.com/show/JPN7777K
0
大学英语四级
相关试题推荐
A、SheiswillingtogotoQingdaowithherfriend.B、SheisnowstayinginQingdao.C、SheisnowstayinginShanghai.D、Sheisw
IntheUnitedStatestoday,thecostofhousingisveryhigh.Itisvery【B1】______topayonefourthtoonethirdorafamily’s
A、Attendingalanguageimprovementcourse.B、Havingabusinesstrip.C、Visitingafriend.D、Doingasurvey.A
A、Thattheywereininfinite.B、Thattheyshouldbecarefullyconserved.C、Thattheyweredeclining.D、Thattheywerelimited.A
Englishpeoplearealwayssaying"please","thankyou"and"sorry".Ido,too.Itisahabit.Nothingmore.Ithinkweallunder
AccordingtoaGalluppoll(民意调查)in2001,Americans,forthefirsttimeintwelveyears,believethattherewaslessviolentcr
AccordingtoaGalluppoll(民意调查)in2001,Americans,forthefirsttimeintwelveyears,believethattherewaslessviolentcr
Thiswould____________(证明非常有益)toapersonwhomayhavelostabodyorgansuchasakidney,scientistscouldclonethatparticul
A、He’lltellherwhatshe’smissed.B、He’lltakehertothenextclass.C、He’llgiveherthenowexamdates.D、He’lltrytobrin
A、Thechurches.B、Theprogramdesigners.C、Thelocalauthorities.D、Thestategovernment.A文化常识题。教会学校当然由教堂开办。
随机试题
熊某因涉嫌贪污罪、受贿罪被一审法院判处有期徒刑12年,熊某不服提出上诉。第二审人民法院审理后,发现原判决认定事实没有错误,但量刑不当。请问,第二审人民法院应当()
属于权益状况比较修正的主要内容的是()。
某公司发行优先股股票,票面额按正常市价计算为300万元,筹资费率为5%,股息年利率为14%,则其资金成本率为()。
根据《水利建设工程施工分包管理规定》(水建管[2005]304号),下列关于项目法人推荐分包的程序说法正确的是()。
有关资产可收回金额的计量,下列说法不正确的是()。
下列凭证中属于自制原始凭证的是()。
AS公司2014年年末、2015年年末利润表中“利润总额”项目金额分别为5000万元、6000万元。各年所得税税率均为25%,各年与所得税有关的经济业务如下:(1)2014年:①2014年计提存货跌价准备45万元,年末存货账面价值为500万元。②20
铁路交通是旅游活动中最主要的交通方式。()
在考生文件夹下,已有“samp1.accdb”数据库文件和Stab.xls文件,“samp1.mdb”中己建立表对象“student”和“grade”,试按以下要求,完成表的各种操作:(1)将考生文件夹下Stab.xls文件导入“student”表
KentishTownRoadisaboringhighstreetinnorthLondon.Itcontainspoundshops,hairdressersandsomeoldhardwarestores.U
最新回复
(
0
)