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2020年高考阅读训练(二)aEven plants是run a fever,especally when they re under attack by insects or disease . but unlink humans,plants是have their temperature takenthe goal was to let farmer S precisely target pesticide(杀虫剂)spraying rather than rain poison on a whole field,which invarial includes plludesEven better,Palleys remote scanning services company could detect crop problems be-fore they beame visible to the eye。mounted on a plane flown at 3,000 feet at night,An infrared scanner measureed the heat emitted by crops。the data were transformed into a color-coded map showing where plants were running“fevers”。f Armers could then spot-spray,using 50 to 70 percent less pesticide than they otherwise would。the bad news is that palace company closed down in l984,After only three years . farmers resisted the new technology and long-term backers were heheagriculture experts have no doubt the technology works。this technique can be used on 75 percent of agricultu Ral land in the United States ,says George oer ther of Texas a m . ray Jackson,who recentlybut only if palley finds the financial backing which he failed to obtain 10 years ago。41.plants will emit an increated amount of heat when they are _ _ _ _ _ _ _。A.sprayed with peppities b . facing an infrared scannerC.in poor physical condition d . exposed to exessive sun rays42.in order to apply peticide spraying preisely,we can use infrared scanning to。A.estimate the damage to the crops b . draw a color-coded mapC.measure the size of the affected area d . locate the problem area43.farmers can save a considerable amount of pessisticide by。A.resorting to spot-spraying b . consulting infrared scanning expertsC.transforming poisoned rain d . detecting crop problems at an early date44.the application of infrared scanning technology to agriculture met with some difficulties due to .A.the lack of official support b . its high costC.the lack of financial support d . its failure to help increase production44.infrared scanning technology may be brought back into operation because of。A.the desire of farmers to improve the quality of their produceB.growing concern about the exessive use of pesties on cropsC.the force ful promotion by the department of agricultureD.full support from agricultural expertsbIn bringing up children,every parent watches early the childs acquisition of each new skillthe first spoken words,the first independentit is often tempting to hurry the child beyond his natural learning rate,But this can set up dangerous feelings of failure and States of worry in thethis might happen at anystage。a baby might be forced to use a to Ilet too early,a young child might be encouraged to learn to read before he knows the meaning of the words he readson the other hand,though,If a child is left alone too much,or without any learning opportunities,he loses his natural enthusicasmparents vary greaty in their degree of strictness towards their children . some may be especally strict in money matters,Others are sever times ofin general,The controls imposed represent The needs of The parents and The values of The community as much as The childs own happensess。as regards the development of moral standards in the growing child,Consistency is very important in parental teaching。to forbid a thing one day and exuse it the next is no foundation for morality(道德操守)。Also,Parents should realize that“example is better than predept”。if they are not sincere and do not practice what they preach,Their children may grow confused and emotionally insece when they grow old enough to toa suddenawenes of a marked difference between their parents principles and their morals can be a dangerous dis appointment。46.eagerly watching the childs acquisition of new skills。A.should be avoidedB.is universal among parentsC.sets up dangerous States of worry in the childD.will make him lose interest in learning new things47.in the process of childrens learning new skills parents。A.should encourage them to read before they know the meaning of the words they readB.should not expect too much of themC.should achieve a balance between pushing them too hard and leaving them on their ownD.should create as many learning opportunities as possible48.the second paragraph mainly tells us that .A.parents should be strict with their childrenB.parental controls reflect only the needs of the parents and the values of the communityC.parental restrictions vary,and are not always enforced for the benefit of the children aloneD.parents vary in their strictness towards their children according to the situation。49.the underlined word predept in para . 3 probaby me
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