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下图所示为农作物新品种的育种方式： ②③过程分别称为（）、（）。
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如图所示为农作物新品种的育种方式相关叙述错误的是
②③过程分别称为脱分化和再分化;
①过程代表植物体细胞杂交;
⑤过程中常用的基因表达载体是质粒;
图中育种方式突出优点是克服了远缘杂交不亲和的障碍
下图所示为农作物新品种的育种方式 上述育种与传统杂交育种相比具有的突出优点是
下图所示为农作物新品种的育种方式1图示育种方式涉及到的生物工程技术有________________
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
下图所示为农作物新品种的育种方式 图示育种方式涉及的生物工程技术有
如图所示为农作物新品种的育种方式1图示育种方式涉及到的生物工程技术有.2②③过程分别称为.3⑤过程中
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
下列有关育种的说法正确的是
通过杂交育种可获得农作物新品种
诱变育种只适用于对微生物菌株的选育
无子番茄通常是用多倍体育种方式获得
通过基因工程育种可获得抗逆性强的新品种
下图所示为农作物新品种的育种方式 ②③过程分别称为
下图所示为农作物新品种的育种方式 ⑤过程中常用的运载体是⑤过程表示的基因操作步骤是
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
下图为培育农作物新品种的一种方式下列说法正确的是
②③过程分别称为细胞分裂和细胞分化
该育种与传统杂交育种相比，最大的优点是繁殖速度快
该育种过程说明已分化细胞中不表达的基因仍具有表达的潜能
该育种方式涉及到基因工程、胚胎工程和细胞工程
下列有关育种的说法中正确的是
通过杂交育种可获得农作物新品种
诱变育种只适用于对微生物菌株的选育
抗虫棉是用多倍体育种方式获得的
基因工程育种无法获得抗逆性强的新品种
下图表示用农作物品种①和②两个品系培育出新品种⑥的可能方法Ⅰ～Ⅴ表示培育过程请回答过程ⅠⅤ培育出新品
下图表示利用某二倍体农作物①②两个品种培育④⑤⑥三个新品种的过程Ⅰ-Ⅴ表示育种过程两对基因独立遗传分
如下图所示为农作物新品种的育种方式相关叙述错误的是
②③过程分别称为脱分化和再分化
①过程代表植物体细胞杂交
⑤过程中常用的载体是质粒
图中育种方式突出优点是克服了远 缘杂交不亲和的障碍
下图表示利用某二倍体农作物①②两个品种培育④⑤⑥三个新品种的过程Ⅰ-Ⅴ表示育种过程两对基因独立遗传分
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D TicketsInformation Thenameoftheshow:ThePrincessAndTheFrog Dates:30thJuly—SthAugust Mon—Fri10amTpm Sat—Sun10am2pmTpm Venue:EsplanadeTheatre Duration:1.5hours Ticketprices:$25perchildoradultdayshows $35perchildoradulteveningshows Familypackages:$85for4tickets10am2pmshows $120for4tickets7pmshows LatecomerPolicy: Pleasearriveearly.Latecomerswillnotbeallowedtoenteruntilaproperbreakintheshows. Children: Ascourtesytootheraudiencememberschildrenbelowthreeyearsoldwillnotbeallowedin. Te1:617-219-4300 注:courtesy礼貌audience观众 Howmanydayswilltheshowbeon
一 buyninechildwellmeethappyeat —Howmanyarethereinyourfamily—Therearethree.
将抛物线y=2x2向左平移1个单位再向上平移3个单位得到的抛物线其解析式是．
二 soundpullcanfeeleat Doctor:What’swrongwithyou Emma:OhIhaveatoothachenow. Doctor:Howlonghaveyou 1likethis Emma:Forthreedays.AndI 2notsleeplastnight. Doctor:Openyourmouthandletmelookthemover.Ohoneofyourteethisbad.Itmustbe3out. Emma:It 4terrible.You’dbettergivemeotheradvice.PerhapsitwillbeOKtomorrow. Doctor:Idon’tthinkso. Emma:Allright.WhatshouldIdo Doctor:Youwon’t 5anythinghardinmanydaysaftertheoperation手术. Emma:OK.Thankyouverymuch. Doctor:Notatall. 第2空应
小芳和爸爸正在散步爸爸身高1.8米他在地面上的影长为2.1米若小芳比爸爸矮0.3米则她的影长为米．
已知点Ax1y1Bx2y2在反比例函数 的图象上且x1＜0＜x2则y1y2和0的大小关系．
A根据句意写出括号内所给单词的适当形式 Thankyouforyourvaluehelpandpracticaladvice.
E Inthepastmanypeopleusedhorsesfortravelingfarmingandotherkindsofwork.Alotpeoplestillliketoridehorses.Andhorseracingisalsopopular.SoitisnotsurprisingthatAmericansusethisanimalwhentheytalk. Longagorichorimportantpeoplerodehorseswhichwereverytall.Todayifagirlactslikesheisbetterthaneveryoneelseyoumightsaysheshouldgetoffherhighhorse. Yesterdaymychildrenwantedmetotakethemtotheplayground.ButIhadtofinishmyworkSoIsaid"Holdyourhorses.WaituntilIfinishwhatIamdoing."Mytwoboysliketocompeteagainsteachotherandplayinanoisyandnotverycarefulway.Ialwaystellthemtostophorsingaroundorsomeonecouldgethurt. LastnightIgotatelephonecallwhileIwaswatchingmyfavouriteTVshow.Idecidednottoansweritbecausewildhorsescouldnotdrag拖曳meawayfromthetelevision.TherewasnothingthatcouldstopmefromdoingwhatIwantedtodo. Sometimesyougetinformationstraightfromthehorse’smouthLetussayyourteachertellsyouthereisgoingtobeatesttomorrow.Youcouldsayyougottheinformationstraightfromthehorse’smouth. Youcanleadahorsetowaterbutyoucannotmakehimdrink.Thatmeansyoucangivesomeoneadvicebutyoucannotforcehimtodosomethinghedoesnotwanttodo. 根据材料内容从下面方框中选出恰当的短语或句子完成第46—50五个小题使句子通顺意思完整每个短语或句子限用一次 A．horsearound B．straightformthehorse’smouth C．getoffherhighhorse D．wildhorsescouldnotdragheraway E．youcanleadahorsetowaterbutyoucannotmakehimdrink —IhearformGrandpathatUncleGeorgeiscomingattheweekend.Isittrue—You’vegotthenews.
古希腊著名的毕达哥拉斯学派把13610这样的数称为三角形数而把14916这样的数称为正方形数．从下图中可以发现任何一个大于1的正方形数都可以看作两个相邻三角形数之和．下列等式中符合这一规律的是．
D TicketsInformation Thenameoftheshow:ThePrincessAndTheFrog Dates:30thJuly—SthAugust Mon—Fri10amTpm Sat—Sun10am2pmTpm Venue:EsplanadeTheatre Duration:1.5hours Ticketprices:$25perchildoradultdayshows $35perchildoradulteveningshows Familypackages:$85for4tickets10am2pmshows $120for4tickets7pmshows LatecomerPolicy: Pleasearriveearly.Latecomerswillnotbeallowedtoenteruntilaproperbreakintheshows. Children: Ascourtesytootheraudiencememberschildrenbelowthreeyearsoldwillnotbeallowedin. Te1:617-219-4300 注:courtesy礼貌audience观众 Ifafamilyoffourgotothetheatreintheeveningtheyhavetopayatleastdollarsthetickets.
学科课程与活动课程相比它的缺点是．
D TicketsInformation Thenameoftheshow:ThePrincessAndTheFrog Dates:30thJuly—SthAugust Mon—Fri10amTpm Sat—Sun10am2pmTpm Venue:EsplanadeTheatre Duration:1.5hours Ticketprices:$25perchildoradultdayshows $35perchildoradulteveningshows Familypackages:$85for4tickets10am2pmshows $120for4tickets7pmshows LatecomerPolicy: Pleasearriveearly.Latecomerswillnotbeallowedtoenteruntilaproperbreakintheshows. Children: Ascourtesytootheraudiencememberschildrenbelowthreeyearsoldwillnotbeallowedin. Te1:617-219-4300 注:courtesy礼貌audience观众 WhatinformationCANNOTbefoundintheadvertisement
B根据句意和汉语注释写出单词的正确形式 Youcancrosstheroadin安全whenthetrafficlightsturngreen.
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假设你是晨光中学的一名英语教师学校每年会举行一次英语演讲比赛本年度的主题TheEnglishNovelILikeBest作为组织者你将在演讲比赛开幕时发言请你根据以下示用英语写一篇发言稿1．说明比赛的意义如提高英语听说能力养成读书的习惯等2．说明比赛的注意事项如每人演讲不超过5分钟语言流利发音准确等3．预祝比赛圆满成功注意1．词数不少于100词2．可适当加入细节以使行文连贯3．发言稿的开头和结尾已为你写好不计入词数GoodafternoonladiesandgentlemenWelcometothisyear’sEnglishspeechcompetition.____________________________________Thankyou!
二 soundpullcanfeeleat Doctor:What’swrongwithyou Emma:OhIhaveatoothachenow. Doctor:Howlonghaveyoul1ikethis Emma:Forthreedays.AndI2notsleeplastnight. Doctor:Openyourmouthandletmelookthemover.Ohoneofyourteethisbad.Itmustbe3out. Emma:It4terrible.You’dbettergivemeotheradvice.PerhapsitwillbeOKtomorrow. Doctor:Idon’tthinkso. Emma:Allright.WhatshouldIdo Doctor:Youwon’t5anythinghardinmanydaysaftertheoperation手术. Emma:OK.Thankyouverymuch. Doctor:Notatall. 第4空应
晓晓设计了一个关于实数运算的程序输出的数比该数的平方小1明明按此程序输入 后输出的结果应为．
如右图在梯形ABCD中∠DCB=90°AB∥CDAB=25BC=24．将该梯形折叠点A恰好与点D重合BE为折痕那么AD的长度为．
A根据句意写出括号内所给单词的适当形式 Ittakeslittletimetogotherebyundergroundthanbybus.
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C Nexttimeacustomercomestoyourofficeofferhimacupofcoffee.Andwhenyou’redoingyourholidayshoppingonlinemakesureyou’reholdingalargeglassoficedtea.Thephysicalsensation感觉ofwarmthencouragesemotionalwarmthwhileacolddrinkinhandpreventsyoufrommakingunwisedecision—thosearethepracticallessonbeingdrawnfromrecentresearchbypsychologistJohna.Bargh. Psychologistshaveknownthatoneperson’sperception感知ofanother’s"warmth"isapowerfuldeterminerinsocialrelationships.Judgingsomeonetobeeither"warm"or"cold"isaprimaryconsiderationeventrumpingevidencethata"cold"personmaybemorecapable.MuchofthisisrootedinveryearlychildhoodexperiencesBarghargueswhenbabies’conceptualsenseoftheworldaroundthemisshapedbyphysicalsensationparticularlywarmthandcoldness.ClassicstudiesbyHarryHarlowpublishedin1958showedmonkeyspreferredtostayclosetoacloth"mother"ratherthanonemadeofwireevenwhenthewire"mother"carriedafoodbottle.Harlow’sworkandlaterstudieshaveledpsychologiststostresstheneedforwarmphysicalcontactfromcaregiverstohelpyoungchildrengrowintohealthyadultswithnormalsocialskills. Feelingsof"warmth"and"coldness"insocialjudgmentsappeartobeuniversal.AlthoughnoworldwidestudyhasbeendoneBarghsaysthatdescribingpeopleas"warm"or"cold"iscommontomanyculturesandstudieshavefoundthoseperceptioninfluencejudgmentindozensofcountries. TotesttherelationshipbetweenphysicalandpsychologicalwarmthBarghconductedanexperimentwhichinvolved41collegestudents.Aresearchassistantwhowasunawareofthestudy’shypotheses假设handedthestudentseitherahotcupofcoffeeoracolddrinktoholdwhiletheresearcherfilledoutashortinformationform:Thedrinkwasthenhandedback.Afterthatthestudentswereaskedtoratethepersonalityof"PersonA"basedonaparticulardescription.ThosewhohadbrieflyheldthewarmdrinkregardedPersonAaswarmerthanthosewhohadheldtheiceddrink. "Wearegroundedinourphysicalexperiencesevenwhenwethinkabstractly"saysBargh. Wecaninferfromthepassagethat.
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设方程x2+x-2=0的两个根为αβ那么a-1β-1的值等于．
A根据句意写出括号内所给单词的适当形式 Lastnightitrainedheavyinthesouthernpartofthecity.
如右图在菱形ABCD中AB=5∠BCD=120°则对角线AC等于．
C Nexttimeacustomercomestoyourofficeofferhimacupofcoffee.Andwhenyou’redoingyourholidayshoppingonlinemakesureyou’reholdingalargeglassoficedtea.Thephysicalsensation感觉ofwarmthencouragesemotionalwarmthwhileacolddrinkinhandpreventsyoufrommakingunwisedecision—thosearethepracticallessonbeingdrawnfromrecentresearchbypsychologistJohna.Bargh. Psychologistshaveknownthatoneperson’sperception感知ofanother’s"warmth"isapowerfuldeterminerinsocialrelationships.Judgingsomeonetobeeither"warm"or"cold"isaprimaryconsiderationeventrumpingevidencethata"cold"personmaybemorecapable.MuchofthisisrootedinveryearlychildhoodexperiencesBarghargueswhenbabies’conceptualsenseoftheworldaroundthemisshapedbyphysicalsensationparticularlywarmthandcoldness.ClassicstudiesbyHarryHarlowpublishedin1958showedmonkeyspreferredtostayclosetoacloth"mother"ratherthanonemadeofwireevenwhenthewire"mother"carriedafoodbottle.Harlow’sworkandlaterstudieshaveledpsychologiststostresstheneedforwarmphysicalcontactfromcaregiverstohelpyoungchildrengrowintohealthyadultswithnormalsocialskills. Feelingsof"warmth"and"coldness"insocialjudgmentsappeartobeuniversal.AlthoughnoworldwidestudyhasbeendoneBarghsaysthatdescribingpeopleas"warm"or"cold"iscommontomanyculturesandstudieshavefoundthoseperceptioninfluencejudgmentindozensofcountries. TotesttherelationshipbetweenphysicalandpsychologicalwarmthBarghconductedanexperimentwhichinvolved41collegestudents.Aresearchassistantwhowasunawareofthestudy’shypotheses假设handedthestudentseitherahotcupofcoffeeoracolddrinktoholdwhiletheresearcherfilledoutashortinformationform:Thedrinkwasthenhandedback.Afterthatthestudentswereaskedtoratethepersonalityof"PersonA"basedonaparticulardescription.ThosewhohadbrieflyheldthewarmdrinkregardedPersonAaswarmerthanthosewhohadheldtheiceddrink. "Wearegroundedinourphysicalexperiencesevenwhenwethinkabstractly"saysBargh. TheauthormentionHarlow’sexperimenttoshowthat.
少年儿童模仿性强可塑性大具有慕师崇师的心理年龄越小向师性越强所以教师的劳动应具有．
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