七选五.docx
- 文档编号:23834622
- 上传时间:2023-05-21
- 格式:DOCX
- 页数:43
- 大小:47.65KB
七选五.docx
《七选五.docx》由会员分享,可在线阅读,更多相关《七选五.docx(43页珍藏版)》请在冰豆网上搜索。
七选五
1
TheScienceofRiskSeeking
Sometimeswedecidethatalittleunnecessarydangerisworthitbecausewhenweweightheriskandthereward,theriskseemsworthtaking.___1___Someofusenjoyactivitiesthatwouldsurpriseandscaretherestofus.Why?
Expertssayitmayhavetodowithhowourbrainswork.
Thereasonwhyanyofustakeanyrisksatallmighthavetodowithearlyhumans.Risktakerswerebetterathunting,fighting,orexploring.___2___Asthequalityofrisktakingwaspassedfromonegenerationtothenext,humansendedupwithasenseofadventureandatoleranceforrisk.
Sowhyaren’twealljumpingoutofairplanesthen?
Well,even200,000yearsago,toomuchrisktakingcouldgetonekilled.Afewdaringsurvived,though,alongwithafewstayinthecavetypes.Asaresult,humansdevelopedarangeofcharactertypesthatstillexiststoday.Somaybeyoulovecarracing,ormaybeyouhateit.___3___
Nomatterwhereyouareontheriskseekingrange,scientistssaythatyourwillingnesstotakerisksincreasesduringyourteenageyears.___4___Tohelpyoudothat,yourbrainincreasesyourhungerfornewexperiences.Newexperiencesoftenmeantakingsomerisks,soyourbrainraisesyourtoleranceforriskaswell.
___5___Fortheriskseekers,apartofthebrainrelatedtopleasurebecomesactive,whilefortherestofus,apartofthebrainrelatedtofearbecomesactive.
Asexpertscontinuetostudythescienceofriskseeking,we’llcontinuetohitthemountains,thewavesortheshallowendofthepool.
A.Italldependsonyourcharacter.
B.Thosearetherisksyoushouldjumptotake.
C.Beingbetteratthosethingsmeantagreaterchanceofsurvival.
D.Thus,thesewellequippedpeoplesurvivedbecausetheywerethefittest.
E.Thisiswhenyoustarttomoveawayfromyourfamilyandintothebiggerworld.
F.However,wearenotallusingthesamereferencestandardtoweighrisksandrewards.
G.Newbrainresearchsuggestsourbrainsworkdifferentlywhenwefaceanervoussituation.
2.
Bothmenandwomenarelivinglongerthesedaysinindustrializedcountries.___1___Ingeneral,theycanexpecttolivesixorsevenyearsmorethanmen.Onereasonforthisisbiological.
Oneimportantbiologicalfactorthathelpswomenlivelongeristhedifferenceinhormonesbetweenmenandwomen.___2___Betweentheagesofabout12and50,womenproducehormonesthatareinvolvedinfertility(生育能力).Thesehormonesalsohaveapositiveeffectontheheartandthebloodflow.Infact,womenarelesslikelytohavehighbloodpressureortodiefromheartattacks.
___3___Theyhelpthebodydefenditselfagainstsomekindsofinfections.Thismeansthatwomengenerallygetsicklessoftenandlessseriouslythanmen.Thecommoncoldisagoodexample:
women,onaverage,getfewercoldsthanmen.
___4___Scientistsarestillnotexactlysurehowgenesinfluenceaging,buttheybelievethattheydo.Somethinkthatawoman’sbodycellshaveatendency(倾向)toagemoreslowlythanaman’s.Othersthinkthataman’sbodycellshaveatendencytoagemorequickly.___5___
A.However,women,onaverage,livelonger.
B.Thebiologicalfactorplaysanimportantpart.
C.Womenarealsohelpedbytheirfemalegenes.
D.Thefemalehormonesalsoprotectthebodyinanotherway.
E.Recentresearchseemstosupportbothofthesepossibilities.
F.Therefore,womenaremorehealthythanmenandcanliveabetterlife.
G.Hormonesarechemicalswhichareproducedbythebodytocontrolvariousbodyfunctions.
3.
Everyoneknowsthatfishisgoodforhealth.___1___Butitseemsthatmanypeopledon’tcookfishathome.Americanseatonlyaboutfifteenpoundsoffishperpersonperyear,butweeattwiceasmuchfishinrestaurantsasathome.Buying,storing,andcookingfishisn’tdifficult.___2___Thistextisabouthowtobuyandcookfishinaneasyway.
___3___Freshfishshouldsmellsweet:
youshouldfeelthatyou’restandingattheocean’sedge.Anyfishyorstrongsmellmeansthefishisn’tfresh.___4__Whenyouhaveboughtafishandarrivehome,you’dbetterstorethefishintherefrigeratorifyoudon’tcookitimmediately,butfreshfishshouldbestoredinyourfridgeforonlyadayortwo.Frozenfishisn’tastastyasthefreshone.
Therearemanycommonmethodsusedtocookfish.___5___First,cleanitandseasonitwithyourchoiceofspices(调料).Putthewholefishonaplateandsteamitinasteampotfor8to10minutesifitweighsaboutonepound.(Alargeronewilltakemoretime.)Then,it’sreadytoserve.
A.Donotbuyit.
B.Theeasiestistosteamit.
C.Thisishowyoucandoit.
D.Itjustrequiresalittleknowledge.
E.Thefishwillgobadwithinhours.
F.Whenbuyingfish,youshouldfirstsmellit.
G.Thefatsinfisharethoughttohelppreventheartdisease.
4.
AGardenThat’sJustRightforYou
Haveyouevervisitedagardenthatseemedjustrightforyou,wheretheatmosphereofthegardenappearedtototalmorethanthesum(总和)ofitsparts?
___1___.Butitdoesn’thappenbyaccident.Itstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.
•___2___
Somepeoplemaythinkthatagardenisnomorethanplants,flowers,patternsandmassesofcolor.Othersareconcernedaboutusinggardeningmethodsthatrequirelesswaterandfewerfertilizers(肥料).___3___.However,thereareanumberofotherreasonsthatmightexplainwhyyouwanttogarden.Oneofthemcomesfromourearliestyears.
•Recall(回忆)yourchildhoodmemories
Ourmodelofwhatagardenshouldbeoftengoesbacktochildhood.Grandma’srosegardenandDad’svegetablegardenmightbegoodorbad,butthat’snotwhat’simportant.___4___—howbeinginthosegardensmadeusfeel.Ifyou’dliketobuildapowerfulbondwithyourgarden,startbytakingsometimetorecallthegardensofyouryouth.___5___.Thengooutsideandworkoutaplantotranslateyourchildhoodmemoriesintoyourgrownupgarden.Havefun.
A.Knowwhyyougarden
B.Findagoodplaceforyourowngarden
C.It’sourexperienceofthegardenthatmatters
D.It’sdelightfultoseesomanybeautifulflowers
E.Stillothersmaysimplyenjoybeingoutdoorsandclosetoplants
F.Youcanproducethatkindofmagicalqualityinyourowngarden,too
G.Foreachofthosegardens,writedownthestrongestmemoryyouhave
5.
Secretcodes(密码)keepmessagesprivate.Banks,companies,andgovernmentagenciesusesecretcodesindoingbusiness,especiallywheninformationissentbycomputer.
Peoplehaveusedsecretcodesforthousandsofyears.___1___Codebreakingneverlags(落后)farbehindcodemaking.Thescienceofcreatingandreadingcodedmessagesiscalledcryptography.
Therearethreemaintypesofcryptography.___2___Forexample,thefirstlettersof“Myelephanteatstoomanyeels”spelloutthehiddenmessage“Meetme.”
___3___Youmightrepresenteachletterwithanumber,forexample.Let’snumberthelettersofthealphabet,inorder,from1to26.Ifwesubstituteanumberforeachletter,themessage“Meetme”wouldread“135520135.”
Acodeusessymbolstoreplacewords,phrases,orsentences.Toreadthemessageofarealcode,youmusthaveacodebook.___4___Forexample,“bridge”mightstandfor“meet”and“out”mightstandfor“me.”Themessage“Bridgeout”wouldactuallymean“Meetme.”5However,itisalsohardtokeepacodebooksecretforlong.Socodesmustbechangedfrequently.
A.Itisveryhardtobreakacodewithoutthecodebook.
B.Inanylanguage,somelettersareusedmorethanothers.
C.Onlypeoplewhoknowthekeywordcanreadthemessage.
D.Aslongastherehavebeencodes,peoplehavetriedtobreakthem.
E.Youcanhideamessagebyhavingthefirstlettersofeachwordspellitout.
F.Withacodebook,youmightwritedownwordsthatwouldstandforotherwords.
G.Anotherwaytohideamessageistousesymbolstostandforspecificlettersofthealphabet.
6.
Therelationshipbetweenparentsandteachersisimportantinthedevelopmentofachild.Thegoodcommunicationbetweenthemiscommunicationthatsays,“Icareaboutmychild,andIvalueschool.”Thebestwayaparentcanshowhowmuchheorshevalueslearningisbysendingapreparedchildtoschooleveryday.___1___Onceachildgetsbehindinclass,catchingupcanbedifficult.
Parentsandteachersarepartnersinstudentdevelopment.Aschoolcommunityisbuiltonrelationshipsestablished(确立)amongchildren,teachers,andchildren’sfamilies.
Herearetipsforcreatingapositiverelationshipwithyourchild’steacher.
Meetwithyourchild’steacherinthefall.___2___—hisorherspecialneeds,outsideactivities,health,andhomestudyhabits.
Lookforthepositive.___3___.Sharewithyourchild’steachersomethingyouparticularlyappreciatedregardingtheteacher’sroleintheacademicand/orsocialdevelopmentofyourchild.
Lettheteacherknowthatyouwanttosupporttheworkthatisbeingdoneinclass.Askforsuggestionsforexpandingschoolactivitiesintohomeactivities.___4___.Youcansendanoteofthankswhensomethingspecialtakesplaceintheclassroomandyourchildisinvolved.
Bewillingtoparticipateinorsetupaconferencewhenyouoryourchild’steacherfeelaspecialmeetingisneeded,suchas:
___5___.
Yourchildseemstobedeeplyupsetaboutsomethingthathappenedatschool.
A.Whenachildisabsentfromschool,importantlessonsmaybemissed
B.Phoneyourchild’steacherifnecessary
C.Theteachersneedtofeelappreciatedforthejobtheydo.
D.Thisisagoodtimefortheteachertolearnmoreaboutyourchild
E.Expressyourappreciationtotheteacher
F.Thebeginningofeverytermisveryimportant
G.Thereisadramaticdropinyourchild’sgrades
7.
Asyougrowrapidlythroughyourteenageyears,youwillexperiencealotofchanges.Thec
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 七选五
![提示](https://static.bdocx.com/images/bang_tan.gif)