深圳市2017年高三年级一模理综(含答案)

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2017深圳市高三年级第一次调研考试英语试卷附参考答案

2017深圳市高三年级第一次调研考试英语试卷附参考答案

2017深圳市高三年级第一次调研考试英语试卷附参考答案阅读下列短文,从每题所给的四个选项(A、B、C、和D)中,选出最佳选项,并在答题卡上将该项涂黑。

A The following list includes some books that come highly recommended by millions of readers and also a short summary of the highlights of each work.The Go-Giver, by Bob Burg and John David MannI didn’t even expect that such a short book could make a huge difference in my way towards life. It simply explains complex laws that direct mankind, and concludes that there is always truth in the opposite. Dao De Jing、by Lao Zi Dao De Jing is one of the finest books on philosophy written by Lao Zi, an ancient Chinese philosopher and poet. It is sincere, exciting and makes you think a lot. Read it and get in touch with the clear educative understandings that give you enough tips to pursue your life goal full of passion.The Science of Getting Rich, by Wallace D. WattlesI had my own misunderstandings of getting rich till I read this book. The book made a huge difference to my life after Idiscovered the secrets mentioned. Read it and it teaches you how to become rich, not immediately, but step by step.The Power of Habit, by Charles DuhiggI never knew habits played such an important role in shaping our future until I read this book. It says, you are what your habits are, and also suggests the proven techniques to create new habits that change our lifestyles and eventually our lives. It is a must-read for everyone who wishes to form lifetime habits.The Road Less Travelled, by Scott PeckSimply put. Buy this book for the path towards understanding in a spiritual way that strengthens your personal growth. This book never gives you easy solutions to the challenges of life; it simply says, “Real suffering is part of life.” and leaves you with better understanding to lead a fulfilled life.21. Which book can help you chase your dream passionately?A. Dao De The Go-Giver.D. The Road Less The Science of Getting Rich.22. Who can tell you the secrets of becoming rich?A. Lao Scott Peck.C. Charles WallaceD. Wattles.23. Which of the following ideas may Scott Peck agree with?A. Habits can shape our There is always truth in the opposite.C. Difficulty is often part of personal We should find easy solutions to challenges.24. What can we know about the books mentioned above?A. They are all easily They are all popular books.C. All their writers are All the books are about life goals.B Much information can be clearly conveyed, purely through our eyes, so the expression “eyes also talk” is often heard.Can you recall any experience that further proves this statement? On a bus you may quickly glance at a stranger, but not make eye contact. If he senses that he is being stared at, he may feel uncomfortable.It is the same in daily life. If you are looked at for more than necessary, you will look at yourself up and down to see if there is anything wrong with you. If nothing goes wrong, you will feel angry about others’stare at you that way. Eyes do convey information, right?Looking too long at someone may seem to be rude andaggressive. But things are different when it comes to staring at the opposite sex. If a man looks at a woman for more than 10 seconds and refuses to turn away his gaze(注视),his intentions are obvious, that is, he wishes to attract her attention, to make her understand that he is showing affection for her.However, the normal eye contact for two people engaged in conversation is that the speaker will only look at the listener from time to time, in order to make sure that the listener does pay attention to what the former is speaking, to tell him that he is attentive.If a speaker looks at you continuously when speaking, as if he tries to control you, you will feel uneasy. A poor liar usually exposes himself by looking too long at the victim, since he believes in the false idea that to look straight in the eye is a sign of honest communication.In fact, continuous eye contact happens between lovers only, who will enjoy looking at each other tenderly for a long time, to show love that words cannot express.Evidently, eye contact should be done according to the relationship between two people and the specific situation.25. What may a person usually do on a bus?A. Glance at a stranger with eye Use eyes to talk to astranger politely.C. Glance at a stranger without eye Talk to a stranger politely after a quick glance.26. What does it mean if a man looks at a woman for over10 seconds?A. He likes her He admires her.C. He knows her He makes contact with her.27. Why is a poor liar easy to be seen through?A. He thinks that he is He wants to control the victim.C. He feels uneasy about others’ eye He looks straight at the victim for too long a time. 28. What may be the best title for the text?A. Eyes Can SpeakB. Eye Contact MattersC. Don’t Stare at OthersD. Use Your Eye ContactCChildren can make some pretty big statements and grand promises. An 8-year-old boy who promised to get his dad his dream car was no exception — but then he actually fulfilled his promise.A Reddit (红迪网)user going by the username Belairboy wrote that when he was 8 years old, he told his dad he would buy him a 1957 Chevrolet (雪佛兰)Bel Air on his 57th birthday.“He grew up poor in a family of seven children. He never thought he would be able to own his dream vehicle but would talk about it all the time.” Belairboy wrote.Then the day came.He tricked his father to look in the garage while the older man was trying to fix a corn-hole board. When the dad finally looked up from his project and his son said “Happy birthday!”,all the father could say in a trembling tone was “No” as he tearfully went in for a hug.“Oh my God. Oh my God! This is real! This is real!” the father said as he climbed into the driver’s seat. “You,re kidding me. This is spotless, man.”Later, Belairboy said that he had kept a close eye on the car for two years to make the promise come true.“We would talk about older vehicles so as to make sure how much he would enjoy it. I would show him pictures of it from the listing I found, unknown to him that it would actually be his one day,” Belairboy wrote. “He would get so excite d and talk about owning something that he knew he never would be able to.”29. Why did the father say “No” when seeing his birthday present?A. He didn’t know what He wanted to hug his dear son first.C. He was too excited to say anything He knew little about this type of vehicle.30. What did the father think of his dream car at first?A. He wouldn’t like it at He would own one some day.C. His son would buy one for He would never have it in his life.31. Which of the following can best describe Belairboy?A. He is worth He is warm-hearted.C. He is He is hardworking.DMany Beijing residents go to great lengths to avoid breathing the city’s smoggy air, especially when it reaches critical pollution levels, but one local businessman decided that canning and selling this poor quality air as a souvenir would be a great idea. Believe it or not, he was right.After seeing a number of companies achieve commercial success by canning fresh air from countries like France, Canada or Australia and selling it in China, Dominic Johnson-Hill, a British-born citizen of Beijing and owner of the Plastered 8 (创可贴8 ) souvenir shop, decided to turn the idea on its head andsell canned Beijing air throughout China and abroad.“I,d seen people going crazy to buy canned air from Canada and Australia, so I thought it was time to push business the other way,” the businessman said. “They’re perfect gifts! What else are you going to take home when you go home from Beijing? A roast duck? A Plastered T-shirt? These cans are light, easily carried home. You can just imagine someone’s face when they unwrap it for Christmas.”The few mouth-fulls of Beijing air come in standard tin cans featuring a couple of famous city landmarks as well as a bit ter description of the contents: “a unique mix of nitrogen (氮气),oxygen and probably some unknown stuff,. The ironic (讽刺的)souvenirs cost 28 RMB (US$4 ) and are available at the Plastered 8 shop, as well as in its online shop. But if you’re actually considering buying some, you,d better ask the shop in advance, as they are always flying off the shelves. Johnson-Hill said that his shop is selling hundreds of Beijing air cans every day.Personally, the well-sold can probably is an awakening for the public to be concerned about the living conditions. Yet one thing that’s not particularly clear is whether the air is really collected from Beijing, because the cans are labeled as “Made inShenzhen”. There’s a big chance that it is just a kind of “Plastered 8 humor”,as they also list “Choking Risk” and “May have unidentified objects inside” as warnings.Anyway, it is probably a unique way to arouse public awareness of protecting the environment.32. What are many people in Beijing likely to do with the smoggy air?A. Try to get used to Can it as a souvenir.C. Sell it all over the Try their best to avoid it.33. How may one feel when receiving canned Beijing air for Christmas?A. Surprised.C. Refreshed. 34. Which of the following can replace the underlined word “stuff,in Paragraph 4?A. liquidsB. objectsC. mineralsD. risks35. What can we infer from the passage?A. There are unidentified objects in the canned Beijing air.B. The Plastered 8 souvenir shop is famous for its humour.C. The writer may expect us to care more about the environment.D. Dominic Johnson-Hill is a British man who lives inBeijing.第二节(共5小题;每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。

广东省深圳市2017届高三下学期第一次调研考试理综生物试卷(解析版)

广东省深圳市2017届高三下学期第一次调研考试理综生物试卷(解析版)

2017年广东省深圳市高考生物一模试卷一、单选题1.下列与细胞相关的叙述,错误的是()A.线粒体和核仁都是含有DNA的细胞器B.洋葱鳞片叶肉表皮细胞可发生质壁分离C.硝化细菌可依靠有氧呼吸利用葡萄糖的能量D.线粒体不能分解葡萄糖但可产生ATP2.下列关于基因指导蛋白质合成的叙述,正确的是()A.遗传信息从碱基序列到氨基酸序列不会损失B.密码子中碱基的改变一定会导致氨基酸改变C.DNA通过碱基互补配对决定mRNA的序列D.每种tRNA可以识别并转运多种氨基酸3.在低温诱导植物染色体数目变化实验中,下列说法合理的是()A.剪取0.5~1cm洋葱根尖放入4℃的低温环境中诱导B.待根长至1cm左右时将洋葱放入卡诺氏液中处理C.材料固定后残留的卡诺氏液用95%的酒精冲洗D.经龙胆紫染液染色后的根尖需用清水进行漂洗4.下列关于神经细胞的说法中,正确的是()A.神经细胞不能向细胞外分泌化学物质B.静息状态下钾离子外流需要消耗ATPC.受刺激后细胞膜外电位变为负电位D.膝跳反射过程中兴奋的传导是双向的5.松土是农作物栽培的传统耕作措施.相关看法不合理的是()A.可以增加土壤的透气性,促进植物对无机盐的吸收B.能加快枯枝落叶、动物遗体和粪便等有机物的分解C.容易造成水土流失,可能成为沙尘暴的一种诱发因素D.降低土壤微生物的呼吸作用强度,减少二氧化碳排放6.果蝇的长翅和残翅是由一对等位基因控制,灰身和黑身是由另一对等位基因控制,一对长翅灰身果蝇杂交的子代中出现了残翅雌果蝇,雄果蝇中的黑身个体占.不考虑变异的情况下,下列推理合理的是()A.两对基因位于同一对染色体上B.两对基因都位于常染色体上C.子代不会出现残翅黑身雌果蝇D.亲本雌蝇只含一种隐性基因二、非选择题7.光照强度对阴生植物芒萁的叶绿素含量具有一定影响.在一定光照强度范围内,光照强度越弱,叶绿素含量越高.(1)叶绿素存在于芒萁细胞的具体部位是,弱光下芒萁叶片中叶绿素含量较高的生物学意义是.(2)研究表明,色素含量基本一致的芒萁,光合作用强度却有较大差异,说明.(3)若要研究光照强度对光合作用强度的影响,你的实验设计思路是.8.如表是某荒地一条食物链3个营养级的能量分析表(单位:J/hm2•a).后来由于该荒地被附近居民掘土而成为洼地,进而成为沼泽地.(1)从能量流动角度分析,A营养级未被利用的能量包括;第二营养级到第三营养级的能量传递效率为;该荒地的群落演替类型为.(2)受水浸泡的沼泽土壤,由于,使有机物积累量增加,可成为开发有机肥和生物能源的场所.9.人和高等动物体内,神经调节和体液调节都是机体调节生命活动的重要方式.(1)神经调节比体液调节反应速度快,原因是.(2)胰岛素和胰高血糖素的相互,共同维持血糖含量的稳定;该过程(“存在”或“不存在”)反馈调节.(3)兴奋在神经元之间的传递需要经过突触结构,突触前膜和突触后膜在功能上的差异是.(4)能产生激素的细胞(“不一定能”或“都能”)产生酶,理由是.10.某种植物的花色同时受A、a与B、b两对基因控制.基因型为Abb的植株开蓝花,基因型为aaB 的植株开黄花.将蓝花植株(♀)与黄花植株(♂)杂交,取F1红花植株自交得F2.F2的表现型及其比例为:红花:黄花:蓝花:白花=7:3:1:1.(1)F1红花的基因型为,上述每一对等位基因的遗传遵循定律.(2)对F2出现的表现型及其比例有两种不同的观点加以解释.观点一:F1产生的配子中某种雌雄配子同时致死.观点二:F1产生的配子中某种雌配子或雄配子致死.你支持上述观点,基因组成为的配子致死;F2中蓝花植株和亲本蓝花植株的基因型分别是.【生物--选修模块1:生物技术实践】11.据报道,某地空气样本中检测出A、B、C 3种抗生素的耐药性基因.只有存在于某种活菌中的耐药性基因才能感染人体.为研究此地空气中是否存在这些耐药性活菌,某研究小组做了以下实验,步骤如下.①配置培养基并灭菌;②制作无菌平板,并收集、培养空气中的活菌;③对步骤②得到的活菌进行分离纯化;④设置若干实验组和对照组,进行相关操作;⑤将各组平板置于适宜温度的恒温箱中培养一段时间,观察菌落的生长情况.回答下列问题:(1)步骤①中的灭菌方法是.(2)步骤③中接种的方法是.(3)若步骤②中得到的菌落类型有5种,则步骤④中需要设计至少个实验组,对实验组的操作是.(4)若将所得菌落接种到含有培养基中,形成的菌落呈色,则表明可能存在大肠杆菌.从功能角度分析此培养基属于培养基.【生物选修模块3:现代生物科技专题】12.根据基因工程的有关知识回答下列问题.(1)利用PCR技术扩增目的基因时,需要加入两种引物,原因是,引物I 延伸而成的DNA单链会与引物Ⅱ结合,进行DNA的延伸,这样,DNA聚合酶只能特异地复制的DNA序列,一个DNA分子三轮复制以后,含有两种引物的DNA分子有个.(2)基因工程的核心步骤是.其目的是使目的基因在受体细胞中,并可遗传给下代.(3)大肠杆菌作为受体细胞最常用的转化方法是:首先用Ca2+处理细胞,使细胞处于一种能吸收周围环境中DNA分子的生理状态,这种细胞称为细胞.(4)检测目的基因是否发挥功能作用的第一步是.2017年广东省深圳市高考生物一模试卷参考答案与试题解析一、单选题1.下列与细胞相关的叙述,错误的是()A.线粒体和核仁都是含有DNA的细胞器B.洋葱鳞片叶肉表皮细胞可发生质壁分离C.硝化细菌可依靠有氧呼吸利用葡萄糖的能量D.线粒体不能分解葡萄糖但可产生ATP【考点】原核细胞和真核细胞的形态和结构的异同.【分析】1、含有DNA的细胞器有叶绿体和线粒体.2、成熟的植物细胞有一大液泡.当细胞液的浓度小于外界溶液的浓度时,细胞液中的水分就透过原生质层进入到外界溶液中,由于原生质层比细胞壁的伸缩性大,当细胞不断失水时,液泡逐渐缩小,原生质层就会与细胞壁逐渐分离开来,即发生了质壁分离.3、硝化细菌属于原核生物,可进行化能合成作用,利用氧化无机物释放的能量合成有机物;硝化细菌的细胞内含有与有氧呼吸有关的酶,可进行有氧呼吸.4、有氧呼吸第一阶段是葡萄糖分解成丙酮酸和[H],释放少量能量,场所是细胞质基质;第二阶段是丙酮酸和水反应生成二氧化碳和[H],释放少量能量,场所是线粒体基质;第三阶段是氧气和[H]反应生成水,释放大量能量,场所是线粒体内膜.【解答】解:A、核仁不属于细胞器,A错误;B、洋葱鳞片叶表皮细胞属于成熟的活的植物细胞,在0.3g/mL的蔗糖溶液中,细胞失水,发生质壁分离,B正确;C、硝化细菌可依靠有氧呼吸分解葡萄糖产生能量,C正确;D、线粒体是有氧呼吸第二和第三阶段的场所,二者过程中均可产生ATP,而葡萄糖的分解发生在细胞质基质,D正确.故选:A.2.下列关于基因指导蛋白质合成的叙述,正确的是()A.遗传信息从碱基序列到氨基酸序列不会损失B.密码子中碱基的改变一定会导致氨基酸改变C.DNA通过碱基互补配对决定mRNA的序列D.每种tRNA可以识别并转运多种氨基酸【考点】遗传信息的转录和翻译.【分析】转录是指在细胞核内,以DNA一条链为模板,按照碱基互补配对原则,合成RNA 的过程.翻译是在核糖体中以mRNA 为模板,按照碱基互补配对原则,以tRNA 为转运工具、以细胞质里游离的氨基酸为原料合成蛋白质的过程.【解答】解:A、由于基因中的启动子、终止子和内含子都不编码氨基酸,因此遗传信息在从碱基序列到氨基酸序列的传递过程中有所损失,A错误;B、由于密码子的简并性,因此密码子中碱基的改变不一定会导致氨基酸改变,B 错误;C、转录过程中DNA通过碱基互补配对决定mRNA的序列,C正确;D、一种tRNA只能识别并转运一种氨基酸,D错误.故选:C.3.在低温诱导植物染色体数目变化实验中,下列说法合理的是()A.剪取0.5~1cm洋葱根尖放入4℃的低温环境中诱导B.待根长至1cm左右时将洋葱放入卡诺氏液中处理C.材料固定后残留的卡诺氏液用95%的酒精冲洗D.经龙胆紫染液染色后的根尖需用清水进行漂洗【考点】低温诱导染色体加倍实验.【分析】低温诱导染色体数目加倍实验:(1)低温诱导染色体数目加倍实验的原理:低温能抑制纺锤体的形成,使子染色体不能移向细胞两极,从而引起细胞内染色体数目加倍.(2)该实验的步骤为选材→固定→解离→漂洗→染色→制片.(3)该实验采用的试剂有卡诺氏液(固定)、改良苯酚品红染液(染色),体积分数为15%的盐酸溶液和体积分数为95%的酒精溶液(解离).【解答】解:A、取三份根尖,第一份放入冰箱内0℃低温下培养;第二份放入冰箱内4℃低温下培养;最后一份仍留在25℃下培养,A错误;B、剪取诱导处理的根尖约0.5~1cm,放入卡诺氏液中处理,B错误;C、材料固定后残留的卡诺氏液用95%的酒精冲洗,C正确;D、经龙胆紫染液染色后的根尖不需要清水漂洗,只需要用吸水纸处理,D错误.故选:C.4.下列关于神经细胞的说法中,正确的是()A.神经细胞不能向细胞外分泌化学物质B.静息状态下钾离子外流需要消耗ATPC.受刺激后细胞膜外电位变为负电位D.膝跳反射过程中兴奋的传导是双向的【考点】细胞膜内外在各种状态下的电位情况;突触的结构;神经冲动的产生和传导.【分析】神经纤维未受到刺激时,K+外流,细胞膜内外的电荷分布情况是外正内负,当某一部位受刺激时,神经纤维膜对钠离子通透性增加,Na+内流,其膜电位变为外负内正.【解答】解:A、下丘脑神经细胞能向细胞外分泌化学物质抗利尿激素等,A错误;B、静息状态下钾离子外流是由高浓度一侧到低浓度一侧,为协助扩散,不需要消耗ATP,B错误;C、受刺激后钠离子大量内流,细胞膜内变为正电位,细胞膜外电位变为负电位,C正确;D、膝跳反射过程中兴奋的传导是沿着反射弧进行的,为单向的,D错误.故选:C.5.松土是农作物栽培的传统耕作措施.相关看法不合理的是()A.可以增加土壤的透气性,促进植物对无机盐的吸收B.能加快枯枝落叶、动物遗体和粪便等有机物的分解C.容易造成水土流失,可能成为沙尘暴的一种诱发因素D.降低土壤微生物的呼吸作用强度,减少二氧化碳排放【考点】细胞呼吸原理在生产和生活中的应用;全球性生态环境问题.【分析】1、中耕松土能够增加土壤的通气量,有利于植物的根系进行有氧呼吸.2、有氧呼吸的第一、二、三阶段的场所依次是细胞质基质、线粒体基质和线粒体内膜.有氧呼吸第一阶段是葡萄糖分解成丙酮酸和[H],合成少量ATP;第二阶段是丙酮酸和水反应生成二氧化碳和[H],合成少量ATP;第三阶段是氧气和[H]反应生成水,合成大量ATP.【解答】解:A、中耕松土能够增加土壤的通气量,有利于植物的根系进行有氧呼吸,并能促进其吸收土壤中的无机盐,A正确;B、中耕松土能够增加土壤的通气量,促进微生物的有氧呼吸,因而能加快枯枝落叶、动物遗体和粪便等有机物的分解,B正确;C、中耕松土能够容易造成水土流失,因而可能成为沙尘暴的一种诱发因素,C 正确;D、中耕松土能够增加土壤的通气量,提高土壤微生物的呼吸作用强度,增加二氧化碳排放,D错误.故选:D.6.果蝇的长翅和残翅是由一对等位基因控制,灰身和黑身是由另一对等位基因控制,一对长翅灰身果蝇杂交的子代中出现了残翅雌果蝇,雄果蝇中的黑身个体占.不考虑变异的情况下,下列推理合理的是()A.两对基因位于同一对染色体上B.两对基因都位于常染色体上C.子代不会出现残翅黑身雌果蝇D.亲本雌蝇只含一种隐性基因【考点】伴性遗传.【分析】由题意知,灰身长翅果蝇相互交配,出现残翅、黑身,说明长翅对残翅是显性性状,灰身对黑身是显性性状,子代雄果蝇中黑身占,说明黑身位于常染色体上,如果控制翅长度的基因位于X染色体上,后代雌果蝇都是长翅,不会有残翅,由于子代出现残翅雌果蝇,因此控制翅长度的基因也位于常染色体上,双亲都含有两种隐性基因.【解答】解:A、两对等位基因位于常染色体上,但是不一定位于一对同源染色体上,A错误;B、由分析可知,两对等位基因都位于常染色体上,B正确;C、两对相对性状与性别无关,子代可能会出现残翅黑身雌果蝇,C错误;D、亲本雌果蝇含有两种隐性基因,D错误.故选:B.二、非选择题7.光照强度对阴生植物芒萁的叶绿素含量具有一定影响.在一定光照强度范围内,光照强度越弱,叶绿素含量越高.(1)叶绿素存在于芒萁细胞的具体部位是类囊体薄膜,弱光下芒萁叶片中叶绿素含量较高的生物学意义是提高对光的吸收和转化能力,以适应弱光环境.(2)研究表明,色素含量基本一致的芒萁,光合作用强度却有较大差异,说明光合作用强度受多种因素影响.(3)若要研究光照强度对光合作用强度的影响,你的实验设计思路是选择长势相同的植物,在不同光照强度下进行测定.【考点】影响光合作用速率的环境因素.【分析】本题是对光合作用影响因素的综合性考查,回忆叶绿体的结构和功能、叶绿体中色素的种类和生理功能、温度光照强度和二氧化碳浓度对光合作用的影响的相关知识,然后分析题干信息进行解答.【解答】解:(1)叶绿体的类囊体膜上分布着与光反应有关的色素;弱光时光照强度较弱,植物可以通过增加叶绿素含量,来提高对光的吸收和转化能力,增强该植物对弱光的适应能力.(2)光合作用强度受多种因素影响,如光照强度、二氧化碳浓度、温度、酶的种类和数量无机盐等因素.因此色素含量基本一致的芒萁,光合作用强度会有较大差异.(3)要探究光照强度对光合作用强度的影响,因此实验的自变量是光照强度,因变量应该是反映光合作用强度的指标.在设计实验时,需要遵循单一变量的原则,无关变量要相同,并不能影响实验.因此选择长势相同的植物,在不同光照强度下进行测定.故答案为:(1)类囊体薄膜提高对光的吸收和转化能力,以适应弱光环境(2)光合作用强度受多种因素影响(3)选择长势相同的植物,在不同光照强度下进行测定8.如表是某荒地一条食物链3个营养级的能量分析表(单位:J/hm2•a).后来由于该荒地被附近居民掘土而成为洼地,进而成为沼泽地.(1)从能量流动角度分析,A营养级未被利用的能量包括未被自身呼吸消耗,未被下一营养级捕食,未被分解者利用;第二营养级到第三营养级的能量传递效率为 3.2%;该荒地的群落演替类型为次生演替.(2)受水浸泡的沼泽土壤,由于缺氧时,微生物的活动减弱,土壤有机物的分解速度降低,使有机物积累量增加,可成为开发有机肥和生物能源的场所.【考点】生态系统的功能.【分析】根据题意和图表分析可知:A为生产者,其同化量即为输入该生态系统生物群落的总能量2.48×1011J/hm2.a,这部分能量是由生产者固定的全部太阳能.A、B、C间的关系为A→C→B.荒地上发生的是次生演替.【解答】解:(1)根据表格中三个营养级生物的同化的能量,构建食物链为A→C→B,输入该生态系统生物群落的总能量是A(生产者)通过光合作用所固定的全部太阳能,为2.48×1011J/hm2.a.这部分能量是由表中A生产者所固定的全部太阳能,A营养级未被利用的能量包括未被自身呼吸消耗,未被下一营养级捕食,未被分解者利用.该生态系统第二营养级(C)到第三营养级(B)的能量传递效率为=(2.40×107)÷(7.46×108)×100%≈3.2%.次生演替是原来有的植被虽然已经不存在,但是原来有的土壤基本保留,甚至还保留有植物的种子和其他繁殖体的地方发生的演替,因此该荒地被附近居民掘土而成为洼地,进而成为沼泽地属于次生演替.(2)受水浸泡的沼泽土壤,由于缺氧时,微生物的活动减弱,土壤有机物的分解速度降低,使有机物积累量增加,可成为开发有机肥和生物能源的场所.故答案为:(1)未被自身呼吸消耗,未被下一营养级捕食,未被分解者利用 3.2% 次生演替(2)缺氧时,微生物的活动减弱,土壤有机物的分解速度降低9.人和高等动物体内,神经调节和体液调节都是机体调节生命活动的重要方式.(1)神经调节比体液调节反应速度快,原因是神经调节主要以电信号形式传导速度较快,体液调节通过体液运输速度较缓慢.(2)胰岛素和胰高血糖素的相互拮抗,共同维持血糖含量的稳定;该过程存在(“存在”或“不存在”)反馈调节.(3)兴奋在神经元之间的传递需要经过突触结构,突触前膜和突触后膜在功能上的差异是突触前膜释放神经递质,突触后膜识别神经递质并引起膜电位变化.(4)能产生激素的细胞都能(“不一定能”或“都能”)产生酶,理由是所有活细胞都能产生酶,而激素是由特定的内分泌细胞产生的.【考点】体温调节、水盐调节、血糖调节;突触的结构;动物激素的调节.【分析】神经调节和体液调节的比较:酶是由活细胞产生的,激素则是由特定的内分泌细胞产生的,故能产生激素的细胞一定能产生酶,能产生酶的细胞不一定产生激素,激素作用完后被分解,而酶则可以被多次重复利用.【解答】解:(1)由于神经调节主要以电信号形式传导速度较快,体液调节通过体液运输速度较缓慢,神经调节比体液调节反应速度快.(2)胰岛素能够抑制肝糖原的分解和非糖物质的转化,促进血糖氧化分解、合成糖原、转化成非糖类物质,使血糖含量降低.胰岛素使血糖浓度降低,胰高血糖素使血糖浓度升高,二者相互拮抗共同维持血糖含量相对稳定.该过程存在反馈调节,例如在正常的血糖调节过程中,胰岛素分泌增多,会导致血糖浓度降低;降低的血糖浓度又反过来影响胰岛B细胞对胰岛素的分泌.(3)突触前膜释放神经递质,突触后膜识别神经递质并引起膜电位变化.(4)所有活细胞都能产生酶,而激素是由特定的内分泌细胞产生的,因此能产生激素的细胞都能产生酶,.故答案为:(1)神经调节主要以电信号形式传导速度较快,体液调节通过体液运输速度较缓慢(2)拮抗存在(3)突触前膜释放神经递质突触后模识别神经递质并引起膜电位变化(4)都能所有活细胞都能产生酶,而激素是由特定的内分泌细胞产生的10.某种植物的花色同时受A、a与B、b两对基因控制.基因型为Abb的植株开蓝花,基因型为aaB 的植株开黄花.将蓝花植株(♀)与黄花植株(♂)杂交,取F1红花植株自交得F2.F2的表现型及其比例为:红花:黄花:蓝花:白花=7:3:1:1.(1)F1红花的基因型为AaBb,上述每一对等位基因的遗传遵循分离定律.(2)对F2出现的表现型及其比例有两种不同的观点加以解释.观点一:F1产生的配子中某种雌雄配子同时致死.观点二:F1产生的配子中某种雌配子或雄配子致死.你支持上述观点二,基因组成为Ab的配子致死;F2中蓝花植株和亲本蓝花植株的基因型分别是Aabb、Aabb.【考点】基因的自由组合规律的实质及应用.【分析】1、基因分离定律和自由组合定律的实质:进行有性生殖的生物在进行减数分裂产生配子的过程中,位于同源染色体上的等位基因随同源染色体分离而分离,分别进入不同的配子中,随配子独立遗传给后代,同时位于非同源染色体上的非等位基因进行自由组合;由自由组合定律的实质可知,自由组合定律,同时也遵循分离定律.2、由题意知,A_bb与aaB_杂交,子一代一定含有a、b基因,红花植株自交,得到子二代有蓝花(A_bb)、黄花(aaB_),因此子一代既含有A基因,也含有B 基因,子一代红花植株的基因型是AaBb,子一代自交后代的性状分离比是7:3:1:1,组合方式是12种,所以子一代产生的可育配子是3种和4种,即雌配子或雄配子出现致死现象.【解答】解:(1)由分析可知,子一代红花植株的基因型是AaBb.(2)如果没有配子致死情况,子一代自交产生的子二代的表现型及比例是A_B_:aaB_:A_bb:aabb=9:3:3:1,事实上,子二代的表现型及比例是A_B_(红花):aaB_(黄花):A_bb(蓝花):aabb(白花)=7:3:1:1,白花基因的基因型是aabb,含有ab的雌配子和雄配子都是可育的,A_bb(蓝花)的数目是1而不是3,因此含有Ab的雌配子或者是雄配子致死,F2中蓝花植株植株的基因型和亲本蓝花植株的基因型都是Aabb.故答案为:(1)AaBb 基因分离(2)二Ab Aabb、Aabb【生物--选修模块1:生物技术实践】11.据报道,某地空气样本中检测出A、B、C 3种抗生素的耐药性基因.只有存在于某种活菌中的耐药性基因才能感染人体.为研究此地空气中是否存在这些耐药性活菌,某研究小组做了以下实验,步骤如下.①配置培养基并灭菌;②制作无菌平板,并收集、培养空气中的活菌;③对步骤②得到的活菌进行分离纯化;④设置若干实验组和对照组,进行相关操作;⑤将各组平板置于适宜温度的恒温箱中培养一段时间,观察菌落的生长情况.回答下列问题:(1)步骤①中的灭菌方法是高压蒸汽灭菌.(2)步骤③中接种的方法是平板划线法.(3)若步骤②中得到的菌落类型有5种,则步骤④中需要设计至少15个实验组,对实验组的操作是接种每种活菌的培养基中分别添加A、B、C抗生素.(4)若将所得菌落接种到含有伊红美蓝培养基中,形成的菌落呈黑色,则表明可能存在大肠杆菌.从功能角度分析此培养基属于鉴别培养基.【考点】微生物的分离和培养.【分析】1、实验室常用的灭菌方法:灼烧灭菌、干热灭菌、高压蒸汽灭菌.2、微生物常见的接种的方法①平板划线法:将已经熔化的培养基倒入培养皿制成平板,接种,划线,在恒温箱里培养.在线的开始部分,微生物往往连在一起生长,随着线的延伸,菌数逐渐减少,最后可能形成单个菌落.②稀释涂布平板法:将待分离的菌液经过大量稀释后,均匀涂布在培养皿表面,经培养后可形成单个菌落.【解答】解:(1)培养基灭菌方法一般是高压蒸汽灭菌.(2)微生物常见的接种的方法平板划线法和稀释涂布平板法.(3)根据实验目的可知,要在“空气样本中检测出A、B、C 3种抗生素的耐药性基因”,并且步骤②中得到的菌落类型有5种,因此步骤④中需要设计至少3种抗生素×5种菌落=15个实验组,对实验组的操作是接种每种活菌的培养基中分别添加A、B、C抗生素.(4)若将所得菌落接种到含有伊红美蓝培养基中,形成的菌落呈黑色,则表明可能存在大肠杆菌.从功能角度分析此培养基属于鉴别培养基.。

2017-2018届广东省深圳市高三第一次调研理科综合试卷及答案

2017-2018届广东省深圳市高三第一次调研理科综合试卷及答案

深圳市2017-2018届高三2月第一次调研理科综合试题 生物试题 2一、单选题1.用抗生素处理成纤维细胞后,能抑制内质网的糖基化功能,使细胞分泌的纤连蛋白(FN1)减少,且易被组织蛋白酶水解。

下列有关说法不合理的是A.纤连蛋白的形成离不开内质网B.糖基化能维持纤连蛋白的稳定性C.内质网能阻止纤连蛋白的运输D.组织蛋白酶催化作用具有专一性2.prp s 蛋白 转变成prp sc 蛋白并在神经细胞内积累时,能导致疯牛病。

图示prp sc 蛋白的形成过程。

有关说法正确的是A.完成图中①与②过程的模板相同B.遗传物质prp sc 以自身为模板进行复制C.prpsc出入神经细胞不需要消耗能量D.prp s转化成prp sc时有正反馈效应3.在种植新疆无子葡萄品种“无核白”过程中,通过大量喷施赤霉素可提高产量(注:无子果实的形成过程中,没有经过授粉作用)。

下列有关说法正确的是A.无子果实形成时染色体数减半B.赤霉素能促进果实神经细胞prp sprp sc+ 促进细胞的伸长C.果实形成过程中必需赤霉素D.赤霉素能抑制种子的形成4.在探究细胞大小与物质运输关系的实验中,用NaOH溶液浸泡不同边长的含酚酞的琼脂立方块一定时间后,面如图所示,其中x为NaOH扩散的深度,y表红色。

则A.该实验的自变量为x,因变量为yB.x的值随y值的增大而增大C.NaOH扩散的体积为(y-x)3D.y值越小,扩散体积的比例越大5.用酵母菌使葡萄汁产生葡萄酒,当酒精含量达到12%~16%时,发酵就停止了。

有关解释不正确的是A.酒精对酵母菌有毒害作用B.营养物质因消耗而不足C.产物积累使pH值发生改变D.氧气过少导致其无法呼吸6.假设某一年桦尺蠖种群的基因型组成及比例为:SS(黑色)10%,Ss(黑色)10%,ss(浅色)80%。

由于寄居的树干变黑不利于浅色个体的生存,使得种群中浅色个体每年减少10%,黑色个体每年增加10%。

则第二年桦尺蠖的有关基因型频率和基因频率正确的是A.Ss25.5%B.ss76.6%C.SS13%D.S15%;s85%二、双选题24.抗菌肽对治疗癌症有一定作用,下图表示抗菌肽合成过程。

广东省深圳高级中学2017届高三上学期第二次模拟考试理科综合试题 含答案

广东省深圳高级中学2017届高三上学期第二次模拟考试理科综合试题 含答案

一、选择题:每小题6分。

在每小题给出的四个选项中,只有一项是符合题目要求的.1.基因型为AaBBCC和AaBbcc个体杂交,假定三对等位基因自由组合,产生的子代中至少有1对等位基因纯合的个体所占的比率是A。

1/4 B。

1/2 C。

3/4 D。

1/82.对下列四幅图的描述正确的是A.图1中b+c阶段表示同一个细胞周期B.图2中的温度在a时酶分子结构改变、活性较低C.图3中引起bc段和de段的变化的因素都是光照减弱D.图4中造成cd段下降的原因在有丝分裂和减数分裂中是相同的3.下图表示细胞膜的结构和物质进出细胞的方式,下列说法错误的是图①A.与图②中曲线Ⅰ相符的过程是图①中的过程dB.A物质决定着不同生物膜的功能差异C.在图①中,e可以代表细胞分泌Na+的过程D.甘油、氧气进入细胞的方式是b4.2012年诺贝尔生理学或医学奖颁给在细胞核重新编程研究领域做出杰出贡献的两位科学家。

他们将4个关键基因移植入已分化的体细胞中并表达,使这个细胞成为具有类似干细胞的诱导多能干细胞(iPS细胞)。

下图为该技术在人体细胞中实验示意图:据图分析下列说法正确的是A. iPS细胞的遗传信息与肌肉细胞完全相同B。

图示过程体现了iPS细胞的全能性C. 关键基因表达过程将改变肌肉细胞的细胞质环境,使细胞功能趋向专门化D。

用该技术得到的新生器官替换供体病变器官,可大大提高器官移植成功率5.研究者用仪器检测拟南芥叶片在光-暗转换条件下CO2吸收速率(单位:μmol·m—2·s—1)的变化,每2s记录一个实验数据并在图中以点的形式呈现。

据图分析,下列有关说法错误的是A、该植物呼吸作用最强时释放的二氧化碳速率为2。

2μmol·m—2·s-1B、该植物在光照条件下每平方米的叶片每秒最多制造约0。

1μmol的葡萄糖C、当CO2释放速率为0。

1μmol·m—2·s—1时,叶绿体中的三碳化合物呈上升趋势D、为证明叶片在光下呼吸产生的CO2中的碳元素一部分来自叶绿体中的五碳化合物,可利用14C同位素示踪技术进行探究6.用纯合子果蝇作为亲本研究两对相对性状的遗传实验,结果如下表所示,下列说法中错误的是A.果蝇的灰身、红眼是显性性状B.控制眼色的基因位于X染色体上C.若组合①的F1随机交配,则F2雌蝇中纯合的灰身红眼占1/16D.若组合②的F1随机交配,则F2雄蝇中黑身白眼占1/8 7.化学与生活密切相关,下列有关说法错误的是A。

2017届高三理科综合一诊试题(附答案)

2017届高三理科综合一诊试题(附答案)

2017届高三理科综合一诊试题(附答案)秘密★启用前【考试时间:2016年12月21日9:00~11:30】高中2017届毕业班第一次诊断性考试理科综合能力测试可能用到的相对原子质量:H-l N-14 0-16 Na-23第I卷一、选择题:本题共13小题,每小题6分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.线粒体是细胞的“动力车间”。

下列关于线粒体的叙述,正确的是A 线粒体外膜的表面积大于其内膜的表面积B.线粒体基质中含有分解葡萄糖和丙酮酸的酶.有氧呼吸过程中产生2的场所是线粒体内膜D.活细胞中的线粒体能定向运动到代谢旺盛的部位2.下列关于植物激素调节的叙述,正确的是A 植物体内激素的合成量与环境因子的变化无关B.植物激素直接参与细胞代谢同时传达调节信息.植物体内多种激素能对基因组的表达进行调节D植物所有的生命活动都由植物激素调节控制3.获得性免疫缺陷综合征( AIDS),是由人类免疫缺陷病毒(HIV)引起的,死亡率极高。

下列相关叙述错误的是A H IV的增殖需要宿主细胞提供营养物质和能量B.HIV侵人人体后对B细胞的增殖分化没有影响.AIDS病人后期往往会出现严重感染或恶性肿瘤D 切断HIV的传播途径是预防AIDS的有效措施4.科学家用伞形帽和菊花形帽两种伞藻做嫁接实验,结果如下图所示。

该实验能够得出的结论是A 伞帽形态结构的建成与细胞质没有关系B.伞帽形态结构的建成主要与细胞核有关.伞藻的细胞核具有发育成完整个体的潜能D 细胞核是遗传物质储存和复制的主要场所.用二倍体西瓜植株做父本与另一母本植株进行杂交,得到的种子种下去,就会长出三倍体植株。

下列叙述正确的是A父本植株杂交前需去除雄蕊,杂交后需套袋处理B.母本植株正常体细胞中最多会含有四个染色体组.三倍体植株的原始生殖细胞中不存在同染色体D三倍体无子西瓜高度不育,但其无子性状可遗传6.下图为甲、乙两种不同类型遗传病的家系图。

已知I1和Ⅱ4都不携带甲病致病基因,I4和Ⅱ3都携带乙病致病基因。

深圳市2017届高三年级第一次调研考试

深圳市2017届高三年级第一次调研考试

深圳市届高三年级第一次调研考试理科综合本试卷共页,题(含选考题)。

全卷满分分。

考试用时分钟。

注意事项:.答题前,考生务必将自己的姓名、准考证号、座位号、学校、班级等考生信息填写在答题卡上。

.选择题的作答:每小题选出答案后,用统一提供的铅笔把答题卡上对应题目的答案标号涂黑。

如需改动,用橡皮擦干净后,再选涂其它答案标号,写在本试卷上无效。

.非选择题的作答:用统一提供的签字笔直接答在答题卡上对应的答题区域内。

签在试题卷、草稿纸上无效。

.选考题的作答:先把所选题目的题号在答题卡指定的位置用统一提供的铅笔涂黑。

考生应根据自己选做的题目准确填涂题号,不得多选。

答题答在答题卡上对应的答题区域内,答在试题卷、草稿纸上无效。

.考生必须保持答题卡的整洁。

考试结束后,将本试卷和答题卡一并交回。

可能用到的相对原子质量:第卷选择题一、选择题本大题共小题,每小题分。

在每小题给出的四个选项中,只有一项是符合题目要求的..下列与细胞相关的叙述,错误..的是.线粒体和核仁都是含有的细胞器.洋葱鳞片叶内表皮细胞可发生质壁分离.硝化细菌可依靠有氧呼吸利用葡萄糖的能量.线粒体不能分解葡萄糖但可产生.下列关于基因指导蛋白质合成的叙述,正确的是.遗传信息从碱基序列到氨基酸序列不会损失.密码子中碱基的改变一定会导致氨基酸改变.通过碱基互补配对决定的序列.每种可以识别并转运多种氨基酸.在低温诱导植物染色体数目变化实验中,下列说法合理的是.剪取~洋葱根尖放入℃的低温环境中诱导.待根长至左右时将洋葱放入卡诺氏液中处理.材料固定后残留的卡诺氏液用的酒精冲洗.经龙胆紫染液染色后的根尖需用清水进行漂洗.下列关于神经细胞的说法中,正确的是.神经细胞不能向细胞外分泌化学物质.静息状态下钾离子外流需要消耗.受刺激后细胞膜外电位变为负电位.膝跳反射过程中兴奋的传导是双向的.松土是农作物栽培的传统耕作措施。

相关看法不合理的是.可以增加土壤的透气性,促进植物对无机盐的吸收.能加快枯枝落叶、动物遗体和粪便等有机物的分解.容易造成水土流失,可能成为沙尘暴的一种诱发因素.降低土壤微生物的呼吸作用强度,减少二氧化碳排放.果蝇的长翅和残翅是由一对等位基因控制,灰身和黑身是由另一对等位基因控制。

深圳市2017年高三年级第一次调研考试英语试题

深圳市2017年高三年级第一次调研考试英语试题

深圳市2017年高三年级第一次调研考试英语试题本试卷分第I卷(客观题)和第II卷(主观题)两部分.试卷共10页,卷面满分120分,折算成135分计入总分.考试用时120分钟.第I卷第二部分阅读理解(共两节,满分40分)第一节(共15小题:每小题2分,满分30分)阅读下列短文,从每题所给的四个选项(A、B、C、和D)中,选出最佳选项,并在答题卡上将该项涂黑。

AThe following list includes some books that come highly recommended by millions of readers and also a short summary of the highlights of each work.The Go-Giver, by Bob Burg and John David MannI didn’t even expect that such a short book could make a huge difference in my way towards life. It simply explains complex laws that direct mankind, and concludes that there is always truth in the opposite.Dao De Jing、by Lao ZiDao De Jing is one of the finest books on philosophy written by Lao Zi, an ancient Chinese philosopher and poet. It is sincere, exciting and makes you think a lot. Read it and get in touch with the clear educative understandings that give you enough tips to pursue your life goal full of passion.The Science of Getting Rich, by Wallace D. WattlesI had my own misunderstandings of getting rich till I read this book. The book made a huge difference to my life after I discovered the secrets mentioned. Read it and it teaches you how to become rich, not immediately, but step by step.The Power of Habit, by Charles DuhiggI never knew habits played such an important role in shaping our future until I read this book. It says, you are what your habits are, and also suggests the proven techniques to create new habits that change our lifestyles and eventually our lives. It is a must-read for everyone who wishes to form lifetime habits.The Road Less Travelled, by Scott PeckSimply put. Buy this book for the path towards understanding in a spiritual way that strengthens your personal growth. This book never gives you easy solutions to the challenges of life; it simply says, “Real suffering is part of life.” and leaves you with better understanding to lead a fulfilled life.21. Which book can help you chase your dream passionately?A. Dao De Jing.B. The Go-Giver.D. The Road Less Travelled. C. The Science of Getting Rich.22. Who can tell you the secrets of becoming rich?A. Lao Zi.B. Scott Peck.C. Charles Duhigg.D. Wallace D. Wattles.23. Which of the following ideas may Scott Peck agree with?A. Habits can shape our future.B. There is always truth in the opposite.C. Difficulty is often part of personal growth.D. We should find easy solutions to challenges.24. What can we know about the books mentioned above?A. They are all easily written.B. They are all popular books.C. All their writers are foreigners.D. All the books are about life goals.BMuch information can be clearly conveyed, purely through our eyes, so the expression “eyes also talk” is often heard.Can you recall any experience that further proves this statement? On a bus you may quickly glance at a stranger, but not make eye contact. If he senses that he is being stared at, he may feel uncomfortable.It is the same in daily life. If you are looked at for more than necessary, you will look at yourself up and down to see if there is anything wrong with you. If nothing goes wrong, you will feel angry about others’ stare at you that way. Eyes do convey information, right?Looking too long at someone may seem to be rude and aggressive. But things are different when it comes to staring at the opposite sex. If a man looks at a woman for more than 10 seconds and refuses to turn away his gaze(注视),his intentions are obvious, that is, he wishes to attract her attention, to make her understand that he is showing affection for her.However, the normal eye contact for two people engaged in conversation is that the speaker will only look at the listener from time to time, in order to make sure that the listener does pay attention to what the former is speaking, to tell him that he is attentive.If a speaker looks at you continuously when speaking, as if he tries to control you, you will feel uneasy. A poor liar usually exposes himself by looking too long at the victim, since he believes in the false idea that to look straight in the eye is a sign of honest communication.In fact, continuous eye contact happens between lovers only, who will enjoy looking at each other tenderly for a long time, to show love that words cannot express.Evidently, eye contact should be done according to the relationship between two people and the specific situation.25. What may a person usually do on a bus?A. Glance at a stranger with eye contact.B. Use eyes to talk to a stranger politely.C. Glance at a stranger without eye contact.D. Talk to a stranger politely after a quick glance.26. What does it mean if a man looks at a woman for over 10 seconds?A. He likes her eyes.B. He admires her.C. He knows her well.D. He makes contact with her.27. Why is a poor liar easy to be seen through?A. He thinks that he is honest.B. He wants to control the victim.C. He feels uneasy about others' eye contact.D. He looks straight at the victim for too long a time.28. What may be the best title for the text?A. Eyes Can SpeakB. Eye Contact MattersC. Don’t Stare at OthersD. Use Your Eye ContactCChildren can make some pretty big statements and grand promises. An 8-year-old boy who promised to get his dad his dream car was no exception — but then he actually fulfilled his promise.A Reddit (红迪网)user going by the username Belairboy wrote that when he was 8 years old, he told his dad he would buy him a 1957 Chevrolet (雪佛兰)Bel Air on his 57th birthday.“He grew up poor in a family of seven children. He never thou ght he would be able to own his dream vehicle but would talk about it all the time.” Belairboy wrote.Then the day came.He tricked his father to look in the garage while the older man was trying to fix a corn-hole board. When the dad finally looked up fro m his project and his son said “Happy birthday!",all the father could say in a trembling tone was “No” as he tearfully went in for a hug.“Oh my God. Oh my God! This is real! This is real!” the father said as he climbed into the driver’s seat. “You,re kidd ing me. This is spotless, man.”Later, Belairboy said that he had kept a close eye on the car for two years to make the promise come true.“We would talk about older vehicles so as to make sure how much he would enjoy it. I would show him pictures of it fr om the listing I found, unknown to him that it would actually be his one day,” Belairboy wrote. “He would get so excited and talk about owning something that he knew he never would be able to.”29. Why did the father say “No” when seeing his birthday prese nt?A. He didn’t know what happened.B. He wanted to hug his dear son first.C. He was too excited to say anything else.D. He knew little about this type of vehicle.30. What did the father think of his dream car at first?A. He wouldn’t like it at a ll.B. He would own one some day.C. His son would buy one for him.D. He would never have it in his life.31. Which of the following can best describe Belairboy?A. He is worth trust.B. He is warm-hearted.C. He is well-received.D. He is hardworking.DMany Beijing residents go to great lengths to avoid breathing the city’s smoggy air, especially when it reaches critical pollution levels, but one local businessman decided that canning and selling this poor quality air as a souvenir would be a great idea. Believe it or not, he was right.After seeing a number of companies achieve commercial success by canning fresh air from countries like France, Canada or Australia and selling it in China, Dominic Johnson-Hill, a British-born citizen of Beijing and owner of the Plastered 8 (创可贴8 ) souvenir shop, decided to turn the idea on its head and sell canned Beijing air throughout China and abroad.“I,d seen people going crazy to buy canned air from Canada and Australia, so I thought it was time to push business the other way,” the businessman said. “They’re perfect gifts! What else are you going to take home when you go home from Beijing? A roast duck? A Plastered T-shirt? These cans are light, easily carried home. You can just imagine someone’s face when they unwrap it for Christmas.”The few mouth-fulls of Beijing air come in standard tin cans featuring a couple of famous city landmarks as well as a bitter description of the contents: “a unique mix of nitrogen (氮气),oxygen and probably some unknown stuff,. The ironic (讽刺的)souvenirs cost 28 RMB (US$4 ) and are available at the Plastered 8 shop, as well as in its online shop. But if you’re actually considering buying some, you,d better ask the shop in advance, as they are always flying off the shelves. Johnson-Hill said that his shop is selling hundreds of Beijing air cans every day.Personally, the well-sold can probably is an awakening for the public to be concerned about the living conditions. Yet one thing that’s not particularly clear is wheth er the air is really collected from Beijing, because the cans are labeled as “Made in Shenzhen”. There’s a big chance that it is just a kind of “Plastered 8 humor”,as they also list “Choking Risk” and “May have unidentified objects inside” as warnings.Anyway, it is probably a unique way to arouse public awareness of protecting the environment.32. What are many people in Beijing likely to do with the smoggy air?A. Try to get used to it.B. Can it as a souvenir.C. Sell it all over the world.D. Try their best to avoid it.33. How may one feel when receiving canned Beijing air for Christmas?A. Satisfied.B. Surprised.C. Frightened.D. Refreshed.34. Which of the following can replace the underlined word “stuff,in Paragraph 4?A. liquidsB. objectsC. mineralsD. risks35. What can we infer from the passage?A. There are unidentified objects in the canned Beijing air.B. The Plastered 8 souvenir shop is famous for its humour.C. The writer may expect us to care more about the environment.D. Dominic Johnson-Hill is a British man who lives in Beijing.第二节(共5小题;每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。

2017-2018届广东省深圳市高三第一次调研考试理科综合试题及答案

2017-2018届广东省深圳市高三第一次调研考试理科综合试题及答案

Y 原子在短周期主族元素中原子半径最大。下列说法正确的
-4-
液褪色
列离子
Al(OH) 3 是 两 性 氢 Al(OH) 3 可溶于过量浓氨
D
氧化物
水中
方程式 错.误.的.

A.石灰石和盐酸反应制 CO2: CaCO3 + 2H+ = CO2↑ + Ca2+ +H 2O
B.稀 Fe(NO3) 2 溶液中加入稀盐酸: 3Fe2++ 4H++ NO-3 = 3Fe 3+
D.

A.光导纤维、聚酯纤维、棉花都属于有机高分子化合物 B .在大米酿酒的过程中,淀粉最后变成了单糖 C .“地沟油”经过加工处理后可以用来制肥皂 D.明矾和漂白粉处理自来水,二者的作用原理相同
8.NA 为阿伏加德罗常数。下列说法正确的是 A. 20g 重水( 2H2O)含有的中子数为 10 NA B.常温常压下, 7.1g Cl 2 完全溶于水转移电子数为 0.1 NA C .标准状况下, 2.24L CCl 4 中含有 C— Cl 键数为 0.4 NA
10
10
0
0
0 0.3 0.9 1.5
赤霉素浓度( mmol/L )
0 5 25 125
生长素浓度 ( μmol/L )
A. 南瓜突变体为上述激素合成缺陷型 长素和赤霉素生理作用表现为拮抗关系
C. 赤霉素对南瓜突变体生理作用明显 长素对正常南瓜的生理作用表现两重性 7.下列有关说法中,正确的是
B.

-3-
D. 1 mol · L-1 FeCl 3 溶液含有的 Cl -数为 3NA
9.下列陈述Ⅰ、Ⅱ正确并且有因果关系的是
选 陈述 I
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深圳市2017年高三年级第一次调研考试(一模)理科综合能力测试可能用到的相对原子质量:H 1 C 12 N 14 O 16 F 19 Mg 24 S 32 Ca 40 Zn 65一、选择题:本大题共13小题,每小题6分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.下列与细胞相关的叙述,错误的是A.线粒体和核仁都是含有DNA的细胞器B.洋葱鳞片叶内表皮细胞可发生质壁分离C.硝化细菌可依靠有氧呼吸利用葡萄糖的能量D.线粒体不能分解葡萄糖但可产生ATP2.下列关于基因指导蛋白质合成的叙述,正确的是A.遗传信息从碱基序列到氨基酸序列不会损失B.密码子中碱基的改变一定会导致氨基酸改变C.DNA通过碱基互补配对决定mRNA的序列D.每种tRNA可以识别并转运多种氨基酸3.在低温诱导植物染色体数目变化实验中,下列说法合理的是A.剪取0.5~1cm洋葱根尖放入4℃的低温环境中诱导B.待根长至1cm左右时将洋葱放入卡诺氏液中处理C.材料固定后残留的卡诺氏液用95%的酒精冲洗D.经龙胆紫染液染色后的根尖需用清水进行漂洗4.下列关于神经细胞的说法中,正确的是A.神经细胞不能向细胞外分泌化学物质B.静息状态下钾离子外流需要消耗ATPC.受刺激后细胞膜外电位变为负电位D.膝跳反射过程中兴奋的传导是双向的5.松土是农作物栽培的传统耕作措施。

相关看法不合理的是A.可以增加土壤的透气性,促进植物对无机盐的吸收B.能加快枯枝落叶、动物遗体和粪便等有机物的分解C.容易造成水土流失,可能成为沙尘暴的一种诱发因素D.降低土壤微生物的呼吸作用强度,减少二氧化碳排放6.果蝇的长翅和残翅是由一对等位基因控制,灰身和黑身是由另一对等位基因控制。

一对长翅灰身果蝇杂交的子代中出现了残翅雌果蝇,雄果蝇中的黑身个体占1/4。

不考虑变异的情况下,下列推理合理的是A.两对基因位于同一对染色体上B.两对基因都位于常染色体上C.子代不会出现残翅黑身雌果蝇D.亲本雌蝇只含一种隐性基因7.化学与社会、生活密切相关。

下列说法正确的是A.稀豆浆、食盐水均可产生丁达尔效应B.利用生物质能就是间接利用太阳能C.钢铁在潮湿的空气中主要发生化学腐蚀D.纯铝质轻,耐腐蚀性强,可直接用作航天材料8.设N A为阿伏加德罗常数的值。

下列叙述正确的是A.常温常压下,28 g CO 和C2H4混合气体中的碳原子数为N AB.1 mol N2与3 mol H2充分反应,产物的分子数为2N AC.标准状况下,11.2 L 己烷中含有的碳碳键数为2.5N AD.32 g 硫粉与足量的Cu 粉完全反应,转移的电子数为2N A9.下列关于有机化合物的说法正确的是A.CH2=CHCH(CH3)2的化学名称是3-甲基-1-丁烯B.由乙醇生成乙醛属于还原反应C.乙烯与苯乙烯为同系物D.乙苯分子中所有碳原子一定共面10.下列实验操作正确且能达到实验目的的是A.在蒸发皿中加热胆矾晶体制无水硫酸铜B.用向下排空气法收集NO2气体C.用K3[Fe(CN)6]溶液检验FeCl2溶液中的Fe2+D.将CO2与HCl 混合气体通过碱石灰可得到纯净的CO211.利用如图所示装置可制取H2,两个电极均为惰性电极,c 为阴离子交换膜。

下列叙述正确的是A.a 为电源的正极B.工作时,OH-向左室迁移C.右室电极反应为:C2H5OH+H2O-4e-=CH3COO-+5H+D.生成H2和CH3COONa 的物质的量之比为2:112.短周期元素W、X、Y、Z 的原子序数依次递增,a、b、c、d、e、f 是由这些元素组成的化合物,d是淡黄色粉末,m为元素Y的单质,通常为无色无味的气体。

上述物质的转化关系如图所示。

下列说法错误的是A.简单离子半径:Z<YB.阴离子的还原性:Y>WC.简单气态氢化物的热稳定性:Y>XD.W2Y2中含有非极性键13.25℃时,将浓度均为0.1 mol•L-1、体积分别为V a和V b的HA 溶液与BOH 溶液按不同体积比混合,保持V a+V b=100 mL,V a、V b与混合液的pH的关系如图所示。

下列说法正确的是A.K a(HA)=10-6 mol•L-1B.b 点时,c(B+)=c(A-)=c(H+)=c(OH-)C.c 点时,随温度升高而减小D.a→c 过程中水的电离程度始终增大二、选择题:本题共8小题,每小题6分。

在每小题给出的四个选项中,第14~17题只有一项符合题目要求,第18~21题有多项符合题目要求。

全部选对的得6分,选对但不全的得3分,有选错的得0分。

14.解决物理疑难问题的过程,往往伴随新理论的建立,在物理学史中,下列现象与物理新理论的建立不存在必然联系的是A .行星绕太阳运动与万有引力B .电荷间作用力与电场C .光电效应现象与光子说D .氢原子光谱与质能方程15.如图,一个轻型衣柜放在水平地面上,一条光滑轻绳两端分别固定在两侧顶端A 、B 上,再挂上带有衣服的衣架.若保持绳长和左端位置点不变,将右端依次改在C 点或D 点后固定,衣柜一直不动,下列说法正确的是A .若改在C 点,绳的张力大小不变B .若改在D 点,衣架两侧绳的张力不相等C .若改在D 点,衣架两侧绳的张力相等且不变D .若改在C 点,衣柜对地面的压力将会增大16.用电压为U 的正弦交流电源通过甲、乙两种电路给额定电压为U 0的同一小电珠供电.图甲中R 为滑动变阻器,图乙中理想变压器的原、副线圈匝数分别为n 1、n 2,若电珠均能正常工作,则A .变压器可能是升压变压器B .n 1:n 2= U 0:UC .甲乙电路消耗功率之比为220U U :D .R 两端的电压最大值为02U U (-)17.人造卫星a 的圆形轨道离地面高度为h ,地球同步卫星b 离地面高度为H ,h<H ,两卫星共面且旋转方向相同.某时刻卫星a 恰好出现在赤道上某建筑物c 的正上方,设地球赤道半径为R ,地面重力加速度为g ,则A . a 、b 线速度大小之比为B . a 、c 角速度之比为C . b 、c 向心加速度大小之比D .a 下一次通过c 正上方所需时间等于18.如图所示,物块A 和圆环B 用绕过定滑轮的轻绳连接在一起,圆环B 套在光滑的竖直固定杆上,开始时连接B 的绳子处于水平.零时刻由静止释放B ,经时间t ,B 下降h ,此时,速度达到最大.不计滑轮摩擦和空气的阻力,则A.t时刻B的速度大于A的速度B.t时刻B受到的合力等于零C.0~t过程A的机械能增加量大于B的机械能减小量D.0~t过程A的重力势能增加量大于B的重力势能减小量19.如图甲所示,质量m=1 kg、初速度v0=6 m/s的物块受水平向左的恒力F作用,在粗糙的水平地面上从O点开始向右运动,O点为坐标原点,整个运动过程中物块速率的平方随位置坐标变化的关系图象如图乙所示,g=10 m/s2,下列说法中正确的是A.t=2 s时物块速度为零B.t=3 s时物块回到O点C.恒力F大小为2 ND.物块与水平面间的动摩擦因数为0.120.如图,质量为M的木板放在光滑的水平面上,木板的左端有一质量为m的木块,在木块上施加一水平向右的恒力F,木块和木板由静止开始运动,木块相对地面运动位移x后二者分离.则下列哪些变化可使位移x增大A.仅增大木板的质量MB.仅增大木块的质量mC.仅增大恒力FD.仅稍增大木块与木板间的动摩擦因数21.如图所示,竖直平行线MN、PQ间距离为a,其间存在垂直纸面向里的匀强磁场(含边界PQ),磁感应强度为B,MN上O处的粒子源能沿不同方向释放比荷为qm的带负电粒子,速度大小相等、方向均垂直磁场.粒子间的相互作用及重力不计.设粒子速度方向与射线OM夹角为θ ,当粒子沿θ=60°射入时,恰好垂直PQ射出.则A.从PQ边界射出的粒子在磁场中运动的最短时间为B.沿θ=120°射入的粒子,在磁场中运动的时间最长C.粒子的速率为D.PQ边界上有粒子射出的长度为23a第Ⅱ卷三、非选择题:本卷包括必考题和选考题两部分。

第22~32题为必考题,每个试题考生都必须作答.第33~40题为选考题,考生根据要求作答。

(一)必考题(共129分)22.(5分)右下图表示“探究加速度与力的关系”的实验装置.(1)平衡摩擦力时,要先(填“挂上”或“取下”)钩码进行实验操作.(2)平衡摩擦力后,在小车内放入4个相同的砝码,并保持小车和砝码的总质量不变.逐渐增加钩码的个数,测量小车(包括砝码)的加速度和钩码重力,探究加速度与力的关系.这样操作比不在小车上放砝码而进行同样的实验,结果会更(填“准确”或“不准确”).(3)如果平衡摩擦力时过度,木板与桌面的夹角偏大,挂1个钩码时,测得小车的加速度为a,挂2个钩码时,测得小车的加速度为a′,则a′ 2a,(填“>”或“<”).23.(10分)在某些汽车的后挡风玻璃中会嵌入一组电阻丝,可通电加热以化解霜冻.图甲是用伏安法测量其中一根电阻丝Rx阻值的实物连线图.仪表规格如表.(1)将单刀双掷开关S2置于位置b,闭合开关S1,电压表和电流表指针如图乙所示,则可读得电压表的示数U= V,电流表的示数I=A;计算得出电阻丝的阻值Rx= Ω(保留两位有效数字).(2)若将单刀双掷开关置于位置a,则通过电阻丝的电流此时电流表的电流(填“大于”或者“小于”).(3)现有6根与Rx同型号的电阻丝和一个内阻为2.0Ω的电源,为了达到最快的化霜效果,请选用几根电阻丝,并用笔画线代替导线,在图丙中进行设计连接.24.(12分)一根阻值12Ω的金属导线绕成如图甲形状的闭合回路,大正方形边长0.4m,小正方形边长0.2m,共10匝.放在粗糙的水平桌面上,两正方形对角线间存在竖直向下的匀强磁场,磁感应强度随时间变化的规律如图乙所示,整个过程中线框始终未动.求闭合回路(1)产生的感应电动势;(2)电功率;(3)第1s末受到的摩擦力25.(20分)如图所示,质量m A=0.8kg、带电量q=-4×10−3C的A球用长度l =0.8m的不可伸长的绝缘轻线悬吊在O点,O点右侧有竖直向下的匀强电场,场强E=5×103N/C.质量m B= 0.2kg不带电的B球静止在光滑水平轨道上,右侧紧贴着压缩并锁定的轻质弹簧,弹簧右端与固定挡板连接,弹性势能为3.6 J.现将A球拉至左边与圆心等高处释放,将弹簧解除锁定,B球离开弹簧后,恰好与第一次运动到最低点的A球相碰,并结合为一整体C,同时撤去水平轨道.A、B、C均可视为质点,线始终未被拉断,g=10m/s2.求:(1)碰撞过程中A球对B球做的功(2)碰后C第一次离开电场时的速度(3)C每次离开最高点时,电场立即消失,到达最低点时,电场又重新恢复,不考虑电场瞬间变化产生的影响,求C每次离开电场前瞬间绳子受到的拉力.26.(14分)二氧化氯(ClO2)是极易溶于水且不与水发生化学反应的黄绿色气体,沸点为11℃,可用于处理含硫废水。

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