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
Even plants can run a fever, especially when they are under attack by insects or disease.But【21】______ humans, plants can have
Even plants can run a fever, especially when they are under attack by insects or disease.But【21】______ humans, plants can have
admin
2010-06-30
73
问题
Even plants can run a fever, especially when they are under attack by insects or disease.But【21】______ humans, plants can have their temperature 【22】______ from 3,000 feet away— straight up. A decade ago, 【23】______ the infrared(红外线的)scanning technology developed for military purpose and other satellites, physicist Stephen Paley 【24】______ a quick way to take the temperature of crops to determine 【25】______ ones are under stress. The goal was to let farmer 【26】______ target pesticide spraying 【27】______ rain poison on a whole field, which 【28】______ include plants that don’t have the pest problem.
Even better, Paley’s Remote Scanning Services Company could detect crop problem before they became 【29】______ to the eye. Mounted on a plane flown at 3,000 feet 【30】______ , an infrared scanner measured the heat emitted by crops. The data were 【31】______ into a color-coded map showing 【32】______ plants were running "fevers". Farmers could then spot spray, using 50 to 70 percent less pesticide than they 【33】______ would.
The bad news is that Paley’s company closed down in 1984, after only three years. Farmers 【34】______ the new technology and long-term backers were hard 【35】______ . But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to 【36】______ into operation. Agriculture experts have no doubt the technology works. "This technique can be used 【37】______ 75 percent of agricultural land in the United States," says George Oerther of Texas A&M. Ray Jackson, who recently retired from the Depart ment of Agriculture, thinks 【38】______ infrared crop scanning could be adopted by the end of the decade. But 【39】______ Paley finds the financial backing 【40】______ he failed to obtain 10 years ago.
【25】
选项
A、whose
B、which
C、what
D、where
答案
B
解析
此题属于语法题,在四个选项中,只有which可以放在ones前面,意指哪一些植物,故选项Bwhich正确。
转载请注明原文地址:https://kaotiyun.com/show/TcJd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
A、Almost2,000.B、Nearly1,000.C、800D、1,200.00A
A、Personswhohavesalariesaccordingtolong-termcontracts.B、Personswhoownbusinesses.C、Personswithold-agepensions.D、P
AccordingtotheAmericanAcademyofDermatology,anestimated10to50millionpeopleinthiscountryhaveanallergicreaction
Childrenwhogriptheirpenstooclosetothewritingpointarelikelytobeatadisadvantageinexaminations,【C1】______tothe
A=RotherhitheB=BarnesC=WillesdenD=King’sCrossWhichcity...usedtohavelotofproblemssuchasdrugs,streetcri
Whenitcomestotheslowingeconomy,EllenSperoisn’tbitinghernailsjustyet.Butthe47-year-oldmanicuristisn’tcutti
pool在第二个话轮中女士描述自己的活动时,第六句即指出;AndthenIsometimes...inmypool。注意本题也可由常识得出答案,因为游泳(swim)只能在她自己的游泳池中进行。
40本题考查考生对于具体细节信息的听辨能力。原句为“RichardW.Simmons,whose40-yearactingcareerinHollywood...”要注意,原句中“40-year”作为形容词修饰“actingcareer”。
Wheredoesthismonologuetakeplace?
MALAYSIAisagogwithspeculation.Thegovernment,whichchargedasittingministerandaprominentbusinessmanwithcorruption
随机试题
女性,75岁,走路不慎滑倒摔伤左髋部,查体:左下肢短缩,外旋50°畸形,左髋肘胀不明显,但有叩痛。该患者入院后最可能的诊断是
逍遥散中使用薄荷的主要意义是
患者,男,25岁。在郊外春游时多次出现胸闷、窒息感,呼气性呼吸困难,两肺可闻哮鸣音,回家休息后好转。哮喘持续状态是指严重哮喘时间达到()
施工文件立卷时,卷内目录式样应符合《建设工程文件归档整理规范》附录B的要求。责任者填写文件的()单位和个人。施工单位在收齐工程文件整理立卷后,建设单位、监理单位应根据()的要求对档案文件完整、准确、系统情况和案卷质量进行审查。
关于近井点和井口水准基点标石埋置,说法错误的是()。
某公司2016年销售额1000万元,销售净利率12%。其他有关资料如下:(1)2016年的财务杠杆系数为1.2,2017年财务杠杆系数为1.5;(2)2016年固定经营成本为240万元,2017年保持不变;(3)所得税税率25%;(4)2017年的
在对孤儿、弃儿的救助中,()是一种普遍的、常用的方式。
童年期思维的基本特点包括()。
设f(x)=∫0xdt∫0ttln(1+u2)du,g(x)=(1一cost)dt,则当x→0时,f(x)是g(x)的().
(字处理题)刘老师正准备制作家长会通知,根据考生文件夹下的相关资料及示例,按下列要求帮助刘老师完成编辑操作:在“尊敬的”和“学生家长”之间插入学生姓名,在“期中考试成绩报告单”的相应单元格中分别插入学生姓名、学号、各科成绩、总分,以及各种的班级平均分,
最新回复
(
0
)