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单选题综合类

2016-04-07

Mark Ellingham's readers are not interested inenvironmental protection.

A．Right

B．Wrong

C．Not mentioned

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参考答案

B

答案解析

暂无解析

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1 Critics argue that the best way to protect ourenvironment is not to do any damage to it.

A．Right

B．Wrong

C．Not mentioned

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2 Mark Ellingham will collaborate with thecritics in his efforts to fight global warming.

A．Right

B．Wrong

C．Not mentioned

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3 回答题
FeedtheWorldwithPotatoes
1.Asfoodpricescontinuetoriserapidly,thereisgrowingconcernabouttheeffectitwillhaveamongtheworld’spoor.
2.Increasingly,expertsarelookingtothepotatoasapossiblelow-costsolutiontofeedingthehungry.Toemphasizetheissue,theUnitedNationshascalledthepotato“ahiddentreasure”andnamed2008theInternationalYearofthePotato.Here’showpotatoescouldendthefoodcrisis.
3.Thepotatomaturesmorequickly,onlesslandandinharsherclimatethanmostothermajorcrops.Upto85percentoftheplantiseatable,comparedwitharound50percentofcereals.Itsbroadadaptabilitytoawidevarietyoffarmingsystemsisalsonoteworthy.
4.Potatoesareanexcellentsourceofcomplexcarbohydrates,whichisreleasetheirenergyslowly,andhaveonly5percentofwheat’sfatcontent.Theycontainonlyaquarterofthecaloriesofbreadand,accordingtothePotatoCenter,whenboiled,potatoeshavemoreproteinandnearlytwicethecalciumascorn.Additionally,theyaregoodsourceofvitaminC,iron,potassium（钾）andzinc(锌).
5.ThefoodandAgricultureOrganizationrecentlysurveyedfoodpriceinflatiountries.Cerealpriceinflationwasmuchhigherandfarmorewidesprninover70ofthepoorcoeadthanforpotatoes.Asignificantfactorbehindthepotato’saffordabilityisthefactthatunlikeotheragricultureproducts,thepotatoisnotyetaglobalcommodity,andhasthereforenotattractedspeculativeinvestors.Rawpotatoesareheavyandcarrotduringtransmit,soglobaltradehasbeenshowtotakeofAlso,potatoesaresusceptible（易受影响的）toinfectionwithdisease,hindering(阻碍)export.Accordingtoanalysts’estimates,lessthan5percentofpotatoesaretradedinternationally,withpricesdrivenprimarilybylocaltastesinsteadofinternationaldemand.
Paragraph2___

A．Potatoes’LowerInflation

B．MajorFoodCrops

C．HealthyFood

D．HigherOutput

E．GrowingImportanceofPotatoes

F．HighPrice

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