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阅读短文，并按照题目要求用英语回答问题。 I’m a 34-year-old man, married, lived in a nice house, and have a successf...
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阅读短文并按照题目要求用英语回答问题 I’ma34-year-oldmanmarriedl
阅读下面短文并按照题目要求用英语问答问题请注意问题后词数要求 Anurseof78thiswe
任务型阅读阅读短文按照要求完成各题Whatwilltheweatherbelike?Somepeop
阅读短文并按照题目要求用英语回答问题 I’ma34-year-oldmanmarriedl
阅读短文并按照题目要求用英语回答问题 I’ma34-year-oldmanmarriedl
Hello!MynameisJimMiller.I’meleven.I’minClassThreeG
书面表达关于说英语问题小华和他的英语老师MissWang持不同的意见请你仔细阅读下面图中的对话内容从
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阅读短文并按照题目要求用英语回答问题 I’ma34-year-oldmanmarriedl
以下是QESuiteWebVersion1.0用户手册的相关内容请仔细阅读并按要求回答问题下表是问题
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阅读下面短文并按照题目要求用英语问答问题请注意问题后词数要求 Anurseof78thiswe
以下是QESuiteWebVersion1.0用户手册的相关内容请仔细阅读并按要求回答问题下图是测试
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阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 21
阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 29
阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 25
人类ABO血型有9号染色体上的3个复等位基因IAIB和i决定血型的基因型组成见下表若一AB型血红绿色盲男性和一O型血红绿色盲携带者的女性婚配下列叙述正确的是
HadthegovernmentsandscientistsnotworkedtogetherAIDS-relateddeathssincetheirhighestin2005.
右图为一种溶质分子跨膜运输的示意图下列相关叙述错误的是
--Areyousureyou'rereadyforthetest? --.I'mwellpreparedforit.
过氧化物酶能分解H2O2氧化焦性没食子酸呈橙黄色为探究白菜梗中是否存在过氧化物酶设计实验如下表下列相关叙述正确的是
IhadasmuchfunsailingtheseasasInowdowithstudents.
为在酵母中高效表达丝状真菌编码的植酸酶通过基因改造将原来的精氨酸密码子CGG改变为酵母偏爱的密码子AGA由此发生的变化有
镰刀型细胞贫血症SCD是一种单基因遗传疾病下图为20实际中叶非洲地区HbS基因与疟疾的分布图基因型为HbSHbS的患者几乎都死于儿童期请回答下列问题 1SCD患者血红蛋白的2条β肽链上第6为氨基酸由谷氨酸变为缬氨酸而2条α肽链正常HbS基因携带者HbAHbS一对等位基因都能表达那么其体内一个血红蛋白分子中最多有条异常肽链最少有条异常肽链 2由图可知非洲中部HbS基因和疟疾的部分基本吻合与基因型为HbAHbA的个体相比HbAHbA个体对疟疾病原体抵抗力较强因此疟疾疫区比非疫区的基因频率高在疫区使用青蒿素治疗疟疾患者后人群中基因型为的个体比例上升 3在疟疾疫区基因型为HbAHbS个体比HbAHbA和HbSHbS个体死亡率都低体现了遗传学上的现象 4为了调查SCD发病率及其遗传方式调查方法可分别选择为填序号 ①在人群中随机抽样调查 ②在患者家系中调查 ③在疟疾疫区人群中随机抽样调查 ④对同卵和异卵双胞胎进行分析对比 5若一对夫妇中男性来自HbA基因频率为1%~5%的地区其父母都是携带者女性来自HbS基因频率为10%~20%的地区她的妹妹是患者请预测这对夫妇生下患病男孩的概率为
下图是某昆虫基因pen突变产生抗药性示意图下列相关叙述正确的是
Asuddenstopcanbeaveryfrighteningexperienceifyouaretravellingathighspeed.
onlineshoppinghaschangedourlifenotallofitseffectshavebeenpositive.
近年诞生的具有划时代意义的CRISPR/Cas9基因编辑技术可简单准确地进行基因定点编辑其原理是由一条单链向导RNA引导核酸内切酶Cas9到一个特定的基因位点进行切割通过设计向导RNA中20个碱基的识别序列可人为选择DNA上的目标位点进行切割见右图下列相关叙述错误的是
右图表示正常人分别快速饮用1L清水1L生理盐水后排尿量和血浆渗透压的变化情况下列相关叙述正确的是
阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 27
Scientistshaveadvancedmanytheoriesaboutwhyhumanbeingscrytearsnoneofhasbeenproved.
Wecanachievealotwhenwelearntoletourdifferencesuniteratherthanus.
右图中甲乙两个体的一对同源染色体中各有一条发生变异字母表示基因下列叙述正确的是
为了选择适宜栽种的作物品种研究人员在相同的条件下分别测定了3个品种S1S2S3的光补偿点和光饱和点结果如图1和图2请回答以下问题 1最适宜在果树林下套种的品种是▲最适应较高光强的品种是▲ 2增加环境中CO2浓度后测得S2的光饱和点显著提高但S3光饱和点却没有显著改变原因可能是在超过原光饱和点的光强下S2的光反应产生了过剩的▲而S3在光饱和点时可能▲填序号 3叶绿体中光反应产生的能量既用于固定CO2也参与叶绿体中生物大分子▲的合成 4在光合作用过程中CO2与RuBP五碳化合物结合的直接产物是磷酸丙精TPTP的去向主要有三个下图为叶肉细胞中部分代谢途径示意图 淀粉是暂时存储的光合作用产物其合成物所应该在叶绿体的▲淀粉运出叶绿体时先水解成TP或▲后者通过叶绿体膜上的载体运送到细胞质中学科.网合成由▲糖构成的蔗糖运出叶肉细胞
Georgetoofar.Hiscoffeeisstillwarm.
阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 31
SilkoneoftheprimarygoodstradedalongtheSilkRoadbyabout100BC.
定量分析是科学研究的重要方法下列能用血细胞计数板直接计数的是
为了研究神经干的兴奋传导和神经—肌肉突触的兴奋传递将蛙的脑和脊髓损毁然后剥制坐骨神经-腓肠肌标本如下图所示实验过程中需要经常在标本上滴加任氏液成分见下表以保持标本活性请回答下列问题 1任氏液中维持酸碱平衡的成分有其Na+/K+比与体液中的Na+/K+比接近 2任氏液中葡萄糖的主要作用是提供能量若将其浓度提高到15%标本活性会显著降低主要是因为 3反射弧五个组成部分中该标本仍然发挥功能的部分有 4刺激坐骨神经引起腓肠肌收缩突触前膜发生的变化有 5神经-肌肉突触易受化学因素影响学.科网毒扁豆碱可使乙酰胆碱酶失去活性肉毒杆菌毒素可阻断乙酰胆碱释放箭毒可与乙酰胆碱受体强力结合却不能使阳离子通道开放上述物质中可导致肌肉松弛的有
阅读下面短文掌握其大意然后从21—40各题所给的四个选项ABC和D中选出最佳选项并在答题纸上将该选项标号涂黑 DuringthewarmyhusbandwasstationedatanarmycampinadesertinCalifornia.Iwenttolivethereinordertobe21 him.Ihatedtheplace.Ihadnever 22 beensounhappy.Myhusbandwasorderedoutonalong-termdutyandIwasleftinatinyshack棚屋alone.Theheatwas 23 -almost1250Fevenintheshadeofacactus仙人掌24 asoultotalkto.Thewindblewnon-stopandallthefoodIateandtheevryairIbreathedwere 25 withsandsandsand! IwassosorryformyselfthatIwrotetomyparents.ItoldthemIwas 26 andcomingbackhome.IsaidIcouldn’tstanditoneminutelonger.I 27 beinprison!Myfatheransweredmy 28 withjusttwolines-twolinesthatwillalwayssinginmy 29 -twolinesthatcompletelychangedmylife: Twomenlookedoutfromprisonbars Onesawthemudtheothersawthestars Ireadthosetwolines 30 Iwasashamedofmyself.ImadeupmymindIwouldfindoutwhatwasgoodinmypresent 31 ;Iwouldlookforthestars Imadefriendswiththenativesandtheir 32 amazedme.Theygavemepresentsoftheirfavoriteartworkswhichtheyhad 33 toselltotoueists.Istudiedthedelightfulformsofthecactus.Iwatchedforthedesertsunsetsand 34 forseashellsthathadbeenlefttheremillionsofyearsagowhenthedeserthadbeenanocean 35 Whatbroughtaboutthis 36 changeinme?Thedeserthadn’tchanged37 Ihad.Ihadchangedmy 38 AndbydoingsoIchangedanunhappyexperienceintothemostamazing 39 ofmylife.IwasexcitedbythisnewworldthatIhaddicoveredIhadlookedoutofmyself-creatdedprisonand 40 thestars 23
位修复长期使用农药导致有机物污染的农田向土壤中投放由多种微生物组成的符合菌剂下列相关叙述错误的是
海带中含有植物生长素IAA和脱落酸ABA等激素学科&网为研究激素对海带生长的影响某研究组开展了系列实验请回答下列问题 1为开展还大的组织培养取海带的叶状体基部切块作为__转到含激素的培养基上经__形成愈伤组织再生成苗 2右图为海带中的IAA和ABA与海带生长变化的关系海带增长率与IAA含量呈__填“正相关”“负相关”或“不相关”学.科网海带在后期生长缓慢原因是 3已知海带成熟区段各部位ABA的分布无显著差异则其在成熟区段中的运输方式_填“是”“不是”极性运输某研究组参照11月和5月海带样品的数据配置了两份IAA+ABA的混合液研究了在增加紫外线光照射条件下混合液对单细胞绿藻生长的影响结果如右图分析可知IAA和ABA对绿藻的生理作用分别是
InmanywaystheeducationsystemintheUSisnotverydifferentfromintheUK.
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