XiaoLingworksveryhard.She______bytheteachers.
A
暂无解析
Thefoodweeatseemstohaveprofoundeffectsonourhealth.Althoughsciencehasmadeenormousstepsinmakingfoodmorefittoeat,ithas,atthesametime,mademanyfoodsunfittoeat.Someresearchhasshownthatperhapseightypercentofcancerisrelatedtothedietaswell,especiallycancerthecolon.Differentculturesaremorepronetocontractcertainillnessesbecauseofthefoodthatischaracteristicinthesecultures.Thatfoodrelatedtollnessisnotanewdiscovery.In1945,governmentresearchersrealizedthatitratesandnitrites,commonlyusedtopreservecolorinmeats,andotherfooddditives,causedcancer.Yet,thesecarcinogenicadditivesremaininourfood,nditbecomesmoredifficultallthetimetoknowwhichthingsonthepackginglabelsofprocessedfoodarehelpfulorharmful.Theadditiveswhichweeatarenotallsodirect.Farmersoftengivepenicillintobeefandpoultry,andbecauseofthis,penicillinhasbeenfoundinthemilkoftreatedcows.Sometimessimilardrugsareadministeredtoanimalsnotformedicinalpurposes,butforfinancialreasons.Thefarmersaresimplytryingtofattentheanimalsinordertoobtainahigherpriceonthemarket.AlthoughtheFoodandDrugAdministration(FDA)hastriedrepeatedlytocontroltheseprocedures,thepracticescontinue.
48.Whatisthemaintopicofthepassage?
A.Foodandourhealth
BFoodandadditives
C.Foodandcancer
DFoodandculture
49AllofthefollowingstatementsaretrueEXCEPT_______.
AFortypercentofcanceriscausedbyproblemsrelatedtofood.
BResearchershaveknownaboutthepotentialdangeroffoodadditivesformanyyears
C.Weeatsomeofthefoodadditivesdirectlyandsomeindirectly
DDrugsarealwaysgiventoanimalsformedicinalpurposes
50.Whydofarmersgivedrugstotheiranimals?
A.tospeedupthegrowthofanimals
BTomaketheanimalsfatter
Ctomaketheanimals’meatfittoeat
DTomaketheanimals’meatrichinnutrients
51.Itcanbeinferredfromthepassagethat_________.
Ascientisthavemadeallthefoodfittoeat
Bonlyinrecentyearshavepeoplefoundthatthefoodisrelatedtoone’sillness
Callkindsofcancerarerelatedtothediet
Dsomeadditivesareharmfultoourhealth
52.Theword“this”inthesecondsentenceofparagraph2mostprobablyrefersto__________.
Afarmer
Bpenicillin
Cbeefandpoultry
Dthefactthatfarmersoftengivepenicillintoabeef
Thepatient______now______carefully.
Learningtocopewithahealthproblemcancontributetoabetterlife.
Directions:Inthissection,youwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokentwice.Aftereachquestiontherewillbeapause.DuringthepauseyoumustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.
1.A)Dosometyping.
B)Buysomepaper.
C)Askthemantotype.
D)Wanttorunwiththeman.
2.A)10:50
B)10:15
C)10:48
D)10:52
3.A)Husbandandwife.
B)Agirlandherboyfriend.
C)Teacherandstudent.
D)Oldfriends.
4.A)Policeman.
B)Salesman.
C)Cardriver.
D)Conductor.
5.A)Inaschool.
B)Inatheater.
C)Inarestaurant.
D)Athome.
6.A)Sheagreed.
B)Shedisagreed.
C)Shewasimpatient.
D)Shewasworried.
7.A)Somethingcold.
B)Coffee.
C)Tea.
D)Somethinghot.
8.A)Gold.
B)Blue.
C)Brown.
D)Black.
9.A)Hedidn’knowtwheretofindtheprofessor.
B)Hehaddifficultydoingtheexperiment.
C)Hefailedtheexam.
D)Hecouldn’graduatetfromtheuniversity.
10.A)Themaniscoughing.
B)Themangaveupsmoking.
C)Themanhasalungdisease.
D)Themanhasaheartattack
下列现象中,属于诚信缺失严重影响社会稳定的表现的是()。
人类环境的中心事物是()。
太阳黑子有的年份多,有的年份少,其变化周期大约为()。
温家宝在第九届全国人大二次会议上指出,要继续实施科教兴国战略,切实把教育放在优先发展的地位,用更大的精力、更多的财力加快教育事业的发展;要继续集中力量完成国家中长期科学和技术发展规划的编制,确定未来15年我国科技发展战略、目标、任务和政策;要认真实施人才强国战略。贯彻科教兴国战略的关键是()。
在我国环境立法中,“环境污染和其他公害”这种表述源于()
()的表现在于自然资源为一切生物和非生物提供了生存和形成的时空,提供了生存的生活资料和生成条件,对一切物种的更新和物质的转化有着特殊的功能价值。
某一经济主体的经济活动影响到其他的经济主体,而这种影响无法通过市场价格反映出来。这种现象称为(____)。
诚信文化的核心是()。
生态学研究的中心课题是()
房价上涨过快的原因是多方面的。钢材、水泥等价格上涨;土地价格上涨;城镇化建设速度加快;居民收入提高,改善住房条件的要求强烈;游资炒作;一些地区对房地产的调控力度不够等等。据此。下列说法错误的是()。