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2.Whatcanweknowfromthethirdparagraph?A.TakamizawagotstrongsupportfromherfamilyB.Takamizawa'sgrandchildrenlovedheralot.C.NatsukowasTakamizawa'sgranddaughterandonlyEnglishteacher.D.NatsukotaughtTakamizawaEnglishmainlybytalkingwithher.3.Whatdoestheunderlinedphrase"Thissituation"inparagraph4referto?A.EnglishisnotthefirstlanguageinJapan.B.ThelevelofEnglishspokeninJapanisrelativelylow.C.YoungergenerationsinJapanwelcomeEnglish.D.Japanesepeoplebecomeopentotherestoftheworld.4.Whatisthemainideaofthepassage?A.Wherethereisawill,thereisaway.B.Itisnevertoolatetolearn.C.Theearlybirdcatchestheworm.D.Twoheadsarebetterthanone.【语篇导读】本文是一篇记叙文
文章主要介绍了日本91岁的奶奶Takamizawa为了做好2020东京奥运会的志愿工作，在孙辈的鼓励和帮助下学习英语的励志故事
l.C细节理解题
根据第二段ButTakamizawahadnotbeenabletolearnthelanguage..Englishwasbannedbecauseitwastheenemy'slanguage.可知，Takamizawa年轻时没能学英语是因为在第二次世界大战期间，英语因为是敌人的语言而被禁止学习
2.A推理判断题
根据第三段Takamizawasaidhergrandchildrenhelpedpersuadeher..Wewillteachyouonewordaday.可知，她的孙辈说服并且帮助她学习英语，因此推断她从家人那里得到了很大的支持
3.B词义猜测题
根据第四段Japanranks49thamongcountrieswhereEnglishisnotthefirstlanguage.可知，“Thissituation'”指的是日本的英语口语水平相对较低
4.B主旨大意题
通读全文可知，本文主要介绍了日本91岁的奶奶Takamizawa为了准备东京奥运会的志愿工作，在孙辈的鼓励和帮助下学习英语，她的故事体现了“活到老，学到老”的精神，这也是本文的主旨
BTheUSgovernmenthascomeoutwithnewadviceforAmericansabouthowmuchexercisetheyshouldgeteachweek.In2011,theUSgovernmentcameoutwithitsfirstsetofexerciseadvice,calledPhysicalActivityGuidelinesforAmericans.Theguidelineswerebasedonresearchbyscientistsintohowpeoplecouldstayhealthybybeingactive.Since2011,scientistshavelearnedmoreabouthowhelpfulexerciseis.Forexample,they'velearnedthatbeingactivecanmakeitmuchlesslikelythatsomeonewillsufferfromillnesses.Exercisealsomakespeopleworryless,sleepbetter,andmakestheirbrainsworkbetter.So,now,tenyearslater,afterthegovernmenthasstudiedthefindings,they'vecomeupwithanewsetofguidelines.Muchoftheadviceisthesameasitwasin2011,butthereareafewchanges.Onechangeisthatthegovernmenthasaddedactivityguidelinesforchildrenaged3to5.Thiswasnotincludedin2011,becauseyoungerchildrenwereusuallyveryactivethen.Butnow,asyoungchildrenspendmoretimelookingatscreens,theyaremovingless.Thegovernmentsaysthatchildrenbetween3and5shouldhaveatleastthreehoursofactiveplayaday.Forchildrenaged6to17,theguidelineshavenotchangedmuchsince2011.Thegovernmentsaystheyshouldgetatleastanhourofmediumtoveryactivemovementeveryday.Mostoftheseactivitiesshouldbestrongenoughtoraisetheheartrate.Childrenshouldalsodoactivitiesthatbuildmusclesatleastthreetimesaweek.In2011,thegovernmentsaidthatadultsshouldgetatleast150to300minutesofmediumstrengthactivityeveryweek.Butonly20%ofAmericansactuallymovethatmuch.Nowbasedonnewscientificfindings,thegovernmentsaysthatevenshortperiodsofmovementthatraisetheheartratearehelpful.Thegovernmentisstartingaprogramcalled"MoveYourWay",whichithopeswillhelpencourageAmericanstogethealthierbymeetingthesemovementgoals.5
(2)科研人员将得到的纯系植株M与纯系甘蓝型油菜进行杂交,得到子一代,子一代植株自交获得的510株植株中,369株为自交亲和植株,其余为自交不亲和植株,初步判断自交不亲和性状是性状。对子一代植株进行测交,调查测交后代植株群体的亲和性分离情况,可验证该假设。符合预期的结果是。
