首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
分析二甲醚合成反应对于CO转化率的影响。
查看本题答案
包含此试题的试卷
高考政治《任意集》真题及答案
点击查看
你可能感兴趣的试题
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量的CO2直接制备二甲醚其
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量的CO2直接制备二甲醚其
分析二甲醚合成反应对于CO转化率的影响
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量CO2直接制备二甲醚其中
.工业上利用CO和H2合成二甲醚3COg+3H2gCH3OCH3g+CO2g为了寻找合适的温度研究者
X.、Y.两点对应的CO正反应速率相等
合成二甲醚的正反应△H.＞0
反应温度控制在240℃～260℃之间
选择合适催化剂，可以提高CO的转化率
甲醇转化为烯烃的反应包含反应
甲醇转化为二甲醚
二甲醚转化为烯烃
甲醇直接转化为烯烃
以上都不对
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量CO2直接制备二甲醚其中
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量CO2直接制备二甲醚其中
二甲醚是一种无毒无腐蚀易液化的清洁燃料.合成二甲醚的流程如图1所示1氧化反应器中反应温度为850℃其
二甲醚DME被誉为21世纪的清洁燃料由合成气制备二甲醚的主要原理如下①COg+2H2gCH3OHg△
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量的CO2直接制备二甲醚其
二甲醚CH3OCH3被称为21世纪的新型燃料它清洁高效具有优良的环保性能四川是利用天然气生产二甲醚的
二甲醚CH3OCH3被称为21世纪的新型燃料它清洁高效具有优良的环保性能二甲醚是一种无色气体具有轻微
二甲醚分子中只含有极性键
二甲醚为不可再生能源
以二甲醚、空气、氢氧化钾溶液为原料，石墨为电极可构成燃料电池。该电池中负极上的电极反应式为：CH
3
OCH
3
- 12e
-
+ 12OH
-
= 2CO
2
+ 8H
2
O
二甲醚燃烧的热化学方程式表示为：CH
3
OCH
3
(g) + 3O
2
(g) = 2CO
2
(g) + 3H
2
O(g)；△H = - 1455 kJ/mol
二甲醚DME被誉为21世纪的清洁燃料由合成气制备二甲醚的主要原理如下①COg+2H2gCH3OHg△
工业上利用CO和H2合成二甲醚3COg+3H2gCH3OCH3g+CO2g为了寻找合适的温度研究者进
X.、Y.两点对应的CO正反应速率相等
合成二甲醚的正反应△H.＞0
反应温度控制在240℃～260℃之间
选择合适催化剂，可以提高CO的转化率
甲醇转化为二甲醚的反应在温度下即可发生甲醇或二甲醚转化为烯烃的反应需要在温度下才能发生
由H2和CO直接制备二甲醚另一产物为水蒸气的热化方程式为根据化学反应原理分析增加压强
工业上利用CO和H2合成二甲醚3COg+3H2gCH3OCH3g+CO2g为了寻找合适的温度研究者进
X.、Y.两点对应的CO正反应速率相等
合成二甲醚的正反应△H＞0
反应温度控制在240℃～260℃之间
选择合适催化剂，可以提高CO的转化率
二甲醚CH3OCH3是无色气体可作为一种新型能源由合成气组成为H2CO和少量的CO2直接制备二甲醚其
二甲醚是一种无毒无腐蚀易液化的清洁燃料合成二甲醚的流程如下1氧化反应器中反应温度为850℃其反应的化
热门试题
更多
回答下列果蝇眼色的遗传问题
D Hometomemeansasenseoffamiliarityandnostalgia怀旧.It’sfuntocomehome.Itlooksthesame.Itsmellsthesame.You’llrealizewhat’schangedisyou.Homeiswhereweranrememberpainliveandsomeotherexperiences;Wepartedhere;Myparentsmethere;Iwonthreechampionshipshere. IfIclosemyeyesIcanstillhaveaclearpictureinmindofmyfirsthome.Iwalkinthedoorandseeabrownsofasurroundingalowglass-topwoodentable.Totherightofthelivingroomismyfirstbedroom.It’semptybutit’swheremyearliestmemoriesare. ThereisthediningroomtablewhereIcelebratedbirthdaysandwhereIcriedonHalloween-whenIdidn’twanttoweartheskirtmymothermadeforme.Ialwayslikedstandingonthattablebecauseitmademefeeltallandstrong.IfIsitatthistableIcanseemyfavoriteroominthehousemyparents’room.Itissimple:abrownwoodendresserlinestherightsideofthewallnexttoatelevisionandacoupleofphotosofmygrandparentsoneachside.Theirbedismysafezone.Icanjumponitanytime-wakingupmyparentsifIamscaredorifIhaveanimportantannouncementthatcannotwaituntilthemorning. I’mluckybecauseIknowmyfirsthomestillexists.Itexistsinmymindandheartonaphysicalproperty住宅onWest64thstreetonthewesternedgeofLosAngeles.ItisproofIlivedIgrewandIlearned. SometimeswhenIfeellostIliedownandshutmyeyesandIgohome.Iknowit’swhereI’llfindmyfamilymydogsandmybelongings.IpurposelyleavethewindowopenatnightbecauseIknowI’llbeblamedbyMom.ButIdon’tmindbecauseIwanttohearhersaymynamewhichremindsmeI’mhome.Whatistheauthor’spurposeofwritingthispassage
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
D Hometomemeansasenseoffamiliarityandnostalgia怀旧.It’sfuntocomehome.Itlooksthesame.Itsmellsthesame.You’llrealizewhat’schangedisyou.Homeiswhereweranrememberpainliveandsomeotherexperiences;Wepartedhere;Myparentsmethere;Iwonthreechampionshipshere. IfIclosemyeyesIcanstillhaveaclearpictureinmindofmyfirsthome.Iwalkinthedoorandseeabrownsofasurroundingalowglass-topwoodentable.Totherightofthelivingroomismyfirstbedroom.It’semptybutit’swheremyearliestmemoriesare. ThereisthediningroomtablewhereIcelebratedbirthdaysandwhereIcriedonHalloween-whenIdidn’twanttoweartheskirtmymothermadeforme.Ialwayslikedstandingonthattablebecauseitmademefeeltallandstrong.IfIsitatthistableIcanseemyfavoriteroominthehousemyparents’room.Itissimple:abrownwoodendresserlinestherightsideofthewallnexttoatelevisionandacoupleofphotosofmygrandparentsoneachside.Theirbedismysafezone.Icanjumponitanytime-wakingupmyparentsifIamscaredorifIhaveanimportantannouncementthatcannotwaituntilthemorning. I’mluckybecauseIknowmyfirsthomestillexists.Itexistsinmymindandheartonaphysicalproperty住宅onWest64thstreetonthewesternedgeofLosAngeles.ItisproofIlivedIgrewandIlearned. SometimeswhenIfeellostIliedownandshutmyeyesandIgohome.Iknowit’swhereI’llfindmyfamilymydogsandmybelongings.IpurposelyleavethewindowopenatnightbecauseIknowI’llbeblamedbyMom.ButIdon’tmindbecauseIwanttohearhersaymynamewhichremindsmeI’mhome.Whatcanbelearnedfromthepassage
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
将玉米的PEPC酶基因导入水稻后测得光照强度对转基因水稻和原种水稻的气孔导度及光合速率的影响结果如下图所示注气孔导度越大气孔开放程度越高 CO2通过气孔进人叶肉细胞后首先与__________结合而被固定固定产物的还原需要光反应提供__________
Readthisstory________youwillrealizethatnoteverythingcanbeboughtwithmoney.
Thetrafficonthemainstreetshasalongergreensignalthan______onthesmallones.
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
B OnasunnydaylastAugustTimheardsomeshouting.Lookingouttotheseacarefullyhesawacoupleofkidsinarowboatwerebeingpulledouttosea. Two12-year-oldboysChristianandJackrowedoutaboattosearchforafootball.Oncethey’drowedbeyondthecalmwatersabeachumbrellatiedtotheboatcaughtthewindandpulledtheboatintoopenwater.Thepairpanickedandtriedtorowbacktoshore.Buttheywerenomatchforitandtheboatwasoutofcontrol. Timknewitwouldsoonbeswallowedbythewaves.EverythingwentquietinmyheadTimrecalls回忆.Iwastryingtofigureouthowtoswimtotheboysinastraightline. Timtookoffhisclothesandjumpedintothewater.Every500yardsorsoheraisedhisheadtojudgehisprogress.AtonepointIconsideredturningbackhesays.IwonderedifIwasputtingmylifeatrisk.After30minutesofstrugglinghewascloseenoughtoyelltotheboysTakedowntheumbrella! Christianmademuchefforttotakedowntheumbrella.ThenTimwasabletocatchupandclimbaboardtheboat.Hetookoverrowingbutthewaveswerealmosttoostrongforhim. Let’saimforthepier码头Jacksaid.Timturnedtheboattowardit.Soonafterwardwavescrashedovertheboatanditbegantosink.Canyouguysswimhecried.Alittlebittheboyssaid. OncethewereinthewaterTimdecideditwouldhesaferandfasterforhimtopulltheboystowardthepier.ChristianandJackwerewearinglifejacketsandfloatedontheirbacks.Timswantowardlandaswaterwashedovertheboys’faces. Arewealmosttheretheyaskedagainandagain.YesTimtoldthemeachtime. After30minutestheyreachedthepier.WhatdoesitinParagraph2referto
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
_______whichuniversitytoattendthegirlaskedherteacherforadvice.
C LONDON-ABritishjudgeonThursdaysentencedabusinessmanwhosoldfake假冒的bombdetectors探测器to10yearsinprisonsayingthemanhadn’tcaredaboutpotentiallydeadlyconsequences. ItisbelievedthatJamesMcCormickgotabout$77.8millionfromthesalesofhisdetectors-whichwerebasedonakindofgolfballfinder-tocountriesincludingIraqBelgiumandSaudiArabia. McCormick57wasconvicted判罪ofcheatslastmonthandsentencedThursdayattheOldBaileycourtinLondon. YourcheatingconductinsellingagreatamountofuselessequipmentsimplyforhugeprofitpromotedafalsesenseofsecurityandinallprobabilitymateriallycontributedtocausingdeathandinjurytoinnocentpeopleJudgeRichardHonetoldMcCormick.youhaveneitherregretnorshamenoranysenseofguilt. Thedetectorssoldforupto$42000eachweresaidtobeabletofindsuchdangerousobjectsasbombsunderwaterandfromtheair.Butinfacttheylackedanygroundinginscienceandwereofnouse. McCormickhadtoldthecourtthathesoldhisdetectorstothepoliceinKenyatheprisonserviceinHongKongthearmyinEgyptandthebordercontrolinThailand. Ineverhadanyhadresultsfromcustomershesaid.AccordingtothejudgewhatMcCormickhaddone_______.
回答下列果蝇眼色的遗传问题
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
Whichofthefollowingstatementsistrue
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
由于酵母菌利用淀粉的能力很弱有人将地衣芽孢杆菌的α-淀粉酶基因转入酵母菌中经筛选得到了可高效利用淀粉的工程菌菌种过程如图甲所示 以淀粉为原料用工程酵母菌和普通酵母菌在相同的适宜条件下密闭发酵接种__________菌的发酵罐需要先排气其原因是__________
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
C LONDON-ABritishjudgeonThursdaysentencedabusinessmanwhosoldfake假冒的bombdetectors探测器to10yearsinprisonsayingthemanhadn’tcaredaboutpotentiallydeadlyconsequences. ItisbelievedthatJamesMcCormickgotabout$77.8millionfromthesalesofhisdetectors-whichwerebasedonakindofgolfballfinder-tocountriesincludingIraqBelgiumandSaudiArabia. McCormick57wasconvicted判罪ofcheatslastmonthandsentencedThursdayattheOldBaileycourtinLondon. YourcheatingconductinsellingagreatamountofuselessequipmentsimplyforhugeprofitpromotedafalsesenseofsecurityandinallprobabilitymateriallycontributedtocausingdeathandinjurytoinnocentpeopleJudgeRichardHonetoldMcCormick.youhaveneitherregretnorshamenoranysenseofguilt. Thedetectorssoldforupto$42000eachweresaidtobeabletofindsuchdangerousobjectsasbombsunderwaterandfromtheair.Butinfacttheylackedanygroundinginscienceandwereofnouse. McCormickhadtoldthecourtthathesoldhisdetectorstothepoliceinKenyatheprisonserviceinHongKongthearmyinEgyptandthebordercontrolinThailand. Ineverhadanyhadresultsfromcustomershesaid.ItcanbeinferredfromthepassagethatMcCormick_______.
Whatisgoingtotakeplaceon2February2013
Theairport_______nextyearwillhelppromotetourisminthisarea.
B OnasunnydaylastAugustTimheardsomeshouting.Lookingouttotheseacarefullyhesawacoupleofkidsinarowboatwerebeingpulledouttosea. Two12-year-oldboysChristianandJackrowedoutaboattosearchforafootball.Oncethey’drowedbeyondthecalmwatersabeachumbrellatiedtotheboatcaughtthewindandpulledtheboatintoopenwater.Thepairpanickedandtriedtorowbacktoshore.Buttheywerenomatchforitandtheboatwasoutofcontrol. Timknewitwouldsoonbeswallowedbythewaves.EverythingwentquietinmyheadTimrecalls回忆.Iwastryingtofigureouthowtoswimtotheboysinastraightline. Timtookoffhisclothesandjumpedintothewater.Every500yardsorsoheraisedhisheadtojudgehisprogress.AtonepointIconsideredturningbackhesays.IwonderedifIwasputtingmylifeatrisk.After30minutesofstrugglinghewascloseenoughtoyelltotheboysTakedowntheumbrella! Christianmademuchefforttotakedowntheumbrella.ThenTimwasabletocatchupandclimbaboardtheboat.Hetookoverrowingbutthewaveswerealmosttoostrongforhim. Let’saimforthepier码头Jacksaid.Timturnedtheboattowardit.Soonafterwardwavescrashedovertheboatanditbegantosink.Canyouguysswimhecried.Alittlebittheboyssaid. OncethewereinthewaterTimdecideditwouldhesaferandfasterforhimtopulltheboystowardthepier.ChristianandJackwerewearinglifejacketsandfloatedontheirbacks.Timswantowardlandaswaterwashedovertheboys’faces. Arewealmosttheretheyaskedagainandagain.YesTimtoldthemeachtime. After30minutestheyreachedthepier.Howdidthetwoboysfinallyreachthepier
瘦素是动物脂肪细胞分泌的一种蛋白质激素机体脂肪储存量越大瘦素分泌越多下丘脑的某些细胞接受到瘦素信号后机体能通过复杂的神经内分泌网络调节摄食行为组成瘦素的基本单位是__________在核糖体中合成的瘦素蛋白必须通过__________进行加工和运输才能分泌到细胞外随__________运送到全身各处下丘脑中的靶细胞通过__________来识别瘦素
将玉米的PEPC酶基因导入水稻后测得光照强度对转基因水稻和原种水稻的气孔导度及光合速率的影响结果如下图所示注气孔导度越大气孔开放程度越高 分析图中信息PEPC酶所起的作用是__________转基因水稻更适宜栽种在__________环境中
由于酵母菌利用淀粉的能力很弱有人将地衣芽孢杆菌的α-淀粉酶基因转入酵母菌中经筛选得到了可高效利用淀粉的工程菌菌种过程如图甲所示 图甲中过程①需要的酶有__________为达到筛选目的平板内的固体培养基应以__________作为唯一碳源②③过程需要重复几次目的是__________
______yousaidatthemeetingdescribesabrightfutureforthecompany.
Lookit’sBaldy!Aboyshoutedinmydirectionacrosstheplayground.EventhoughIwasusedtoregularinsults侮辱becauseofthe____11____onmyheditwas____12____horribletohear.IsighedasIheadedbacktotheclass. WhenIwasjust20monthsoldIsufferedserious____13____afterabowlfullofhotoilfellonmyhead.Iwas____14____tohospitalandhadtosaythereforweekswhilethedoctors____15____tosavemylife.Holly’svery____16____tobealivetheytoldMumandDad.Butshe’llbe____17____withscarsonherheadandofcourseherhairwon’tgrowthere. AsachildIcaredmuchaboutmyscarssoI____18____woreascarftocoverthemupwhenIlefthome.____19____Ididn’tpeoplewouldcallmehorriblenameslikeBaldy.Althoughmyfriendswerealwayscomfortingmetheynever____20____understoodhowitfelt. ThenthroughthehospitalIwas____21____toachildren’sburnscampwherechildrenlikemecangetanyhelp.ThereI____22____14-year-oldStephaniewhoseburnsarealotmoreseriousthanmine.Butsheisso____23____thatsheneverletsanyoneputherdown.Youshouldn’t____24____whatpeoplesayaboutwhatyoulooklikebecausewe’renotdifferentfromanyoneelseHollyshe____25____me.Andyoudon’tneedtowearascarfbecausey0oulookgreat____26____it!ForthefirsttimeinmylifeIcouldspeaktosomeonewho’dbeenthroughsomething____27____.Soweekslateratmy13thbirthdayparty____28____byherbraveryIgaveupmyscarfandshowedoffmyscars.Itfeltamazingnothavingto____29____awaybehindmyscarf. NowIam____30____ofwhatIlooklikeandmuchhappierbecauseIhaverealizeditisyourpersonality个性thatdecideswhoyoutrulyare.
热门题库
更多
高考历史
国家统考科目
香港法概论
反间谍法
__学
合同法
证据学
民事诉讼法学
民法学
刑法学
消费者权益保护法
法理学
竞争法
国际公法
国际经济法
农村政策法规
湘公网安备 43130202000226号