油气田应用化学_西南石油大学中国大学mooc课后章节答案期末考试题库2023年

大学化学实验_重庆大学中国大学mooc课后章节答案期末考试题库2023年1.下列关于实验室安全守则描述不正确的是答案:能用已点燃的酒精灯去点燃别的酒精灯2.下列关于实验室意外事故的处理描述不正确的是答案:遇到电气设备着火，直接用泡沫式灭火器灭火3.下列哪个不属于实验室常用的加热仪器答案:磁力搅拌器4.下列关于分离操作描述不正确的是答案:玻璃砂漏斗适宜过滤碱性较强的溶液5.测定摩尔气体常量时，R计算公式中的压力是指答案:氢气分压；6.在测定摩尔气体常量的实验中，表述错误的是答案:由气压计直接测量得出7.测定化学反应速率与活化能时不会用到下列哪组仪器答案:锥形瓶、烧杯、温度计8.答案:9.下列说法错误的是答案:装NaOH的锥形瓶滴定前先用NaOH润洗10.以酚酞为指示剂，用乙酸溶液滴定氢氧化钠溶液时，滴定终点应是答案:溶液恰好由红色变为无色11.关于酸度计说法错误的是答案:酸度计的电极为电导电极12.答案:13.答案:14.答案:15.关于分光光度计的描述，下列错误的是答案:测量时，应将比色皿的毛面对准入射光16.在进行减压过滤时，下列操作错误的是答案:抽滤前应用同一溶剂润湿滤纸17.答案:18.答案:19.在电抛光过程中，关于电化学除油操作的正确描述是答案:工件做阴极，钢板做阳极20.在金属铜片上电镀镍时，下列操作正确的是答案:铜片做阴极，镍片做阳极21.在进行电抛光前不需要的操作是答案:打磨工件22.测定水的硬度时，采用EDTA进行配位滴定，所用指示剂为答案:铬黑T23.采用EDTA滴定法测定水的硬度时，如何判断滴定的终点答案:溶液恰好由红色变成蓝色24.答案:25.答案:26.下列关于学生实验守则描述正确的是答案:实验完毕，须清洗玻璃仪器，放回原位随时保持实验台面的整洁节约试剂，按规定用量取用27.下列关于试剂的取用描述正确的是答案:往试管中滴加试剂时，切勿使滴管伸入滴管中所有取出的液体试剂和固体试剂都不能再倒入原试剂瓶中从滴瓶中取用试剂时，需用滴瓶中的滴管28.答案:29.关于金属腐蚀，下列说法错误的是答案:发生吸氧腐蚀是由于金属表面氧气分布浓度不同而引起的钢铁在大气中的腐蚀只有析氢腐蚀30.含Pb等重金属的废液需要将重金属转化为难溶的氢氧化物，离子含量达标后方可排放。

化学及实验_常州工学院中国大学mooc课后章节答案期末考试题库2023年1.The reaction【图片】 is classified as ________.答案:a decomposition reaction2.The scalar coefficients of the following chemical equation are _______.【图片】答案:a=2, b=3, c=4, d=33.The chemical formulas of stannic fluoride and tin (II) fluoride are the same.答案:错误4.Which of the following formulas is correct for magnesium oxide?答案:5.Which of the following formulas is correct for ferrous hydroxide?答案:6.Which of the following nomenclature is correct for 【图片】?答案:cupric hydroxide_copper (II) hydroxide7.Which of the following formulas is correct for hydrofluoric acid?答案:HF8.There are many kinds of acids. HCl is one of them. The name of it is chloricacid.答案:错误9.Which of the following nomenclature is correct for HBr?答案:hydrobromic acid10.Which of the following formulas is correct for tin (II) oxide?答案:SnO11.Which of the following formulas is correct for iron(III) oxide?答案:12.The reaction【图片】 is classified as ______.答案:a single displacement reaction13.Which of the following reactions can be classified as partner exchangereactions?答案:14.The reaction【图片】 is classified as _______.答案:a combination reaction15.Which of the following reactions can be classified as single displacementreactions?答案:__16.Which of the following chemical reactions would you expect to occur aswritten?答案:_17.The proportions of the reactants should be respected,when they are forced toreact, all of the substance used will participate in the reaction, and thereaction that will take place will be the same as the one noted in the equation.答案:正确18.【图片】 decomposes to form 【图片】and【图片】. Ifthe mass of【图片】decomposedis435 g, then( ) g【图片】will be produced. (答案只保留整数）【图片】答案:19619.If 10 g potassium reacts with 10 g iodine to form potassium iodide, then thelimiting reactant is ( ).【图片】答案:iodine##%_YZPRLFH_%##I2##%_YZPRLFH_%##碘20.The structure of 2-pentyne is _______.答案:21.The name of【图片】 is _______.答案:4-methylnonane22.The structure of 2,2-dimethylpentane is _______.答案:23.The name of【图片】 is ______.答案:5-ethyl-2-methyloctane24.The structure of 2-methylbutane is ______.答案:。

波谱分析_西北大学中国大学mooc课后章节答案期末考试题库2023年1.下列化合物中羰基伸缩振动频率最大的是（）答案:2.（填伸缩振动或变形振动）是沿原子核之间的轴线作振动，键长变化而键角不变。

答案:伸缩振动3.红外光谱的能级变化决定（填谱带的位置或谱带的强度）。

答案:谱带的位置4.共轭效应使共轭体系的电子云密度平均化，键长也平均化，双键略有（填伸长或缩短）。

答案:伸长5.质谱中，关于分子离子峰的论述错误的是（）答案:是由各种元素的所有同位素一起组成的6.下列化合物中，哪些化合物在紫外光谱200-800nm检测范围内不产生吸收带（）答案:甲醇_乙烯7.红外光谱中，可能使红外的基频峰少于振动的自由度的原因有（）答案:仪器限制，无法区分一些能量接近的振动峰_仪器限制，检测不到一些能量太小的振动_一些基频振动没有产生瞬间偶极矩变化_能量相同的振动峰发生简并，使谱峰重合8.以下关于“核的等价性”的表述中，正确的是（）答案:磁等价的核肯定化学等价_化学等价的核不一定磁等价9.红外光谱的吸收强度决定于基团振动时偶极矩变化的大小，基团的极性越大，吸收峰越强。

答案:正确10.同时具有红外活性和拉曼活性的是（）答案:H2O的弯曲振动11.苯环取代类型的判断依据是（）答案:苯环质子的面外变形振动及其倍频、组合频12.在红外光谱中，C=C的伸缩振动吸收峰出现的波数范围是（）答案:1680~162013.CO2分子基本振动数目和红外基频谱带数目分别为（）答案:4,214.红外光谱是分子中基团原子间振动跃迁时吸收红外光所产生的，只有产生（填极化度或瞬间偶极矩）变化的振动才是红外活性的。

答案:瞬间偶极矩15.红外光谱中，邻近的两个基团同时具有（填大约或完全）相等的频率就有可能会偶合产生两个吸收带。

答案:大约16.同一化合物在不同状态下测得的红外光谱应该是完全一样的。

答案:错误17.在核磁共振氢谱中，质子所受去屏蔽效应增强，则它的共振吸收将移向（）答案:低场_高频_化学位移增大方向18.在核磁共振谱中为了区分伯、仲、叔和季碳，可以采用（）答案:DEPT谱_偏共振去耦谱_碳氢化学位移相关谱19.在90°的DEPT实验中，谱图特征为（）答案:CH显示正峰，CH2、CH3不出现20.苯环上氢被-NH2、-OH取代后，碳原子的dC变化是有规律的。

无机化学（上）中国大学mooc课后章节答案期末考试题库2023年1.下列磁矩均为0的配离子中，具有四面体形空间构型的是参考答案:[ Cu(CN)4 ]3-2.对于 Ag+的浓差电池：(-) Ag ½ Ag+( 0.010 mol·L-1)½½Ag+( 1.0 mol·L-1)½ Ag (+) 下列叙述中正确的是参考答案:EMFӨ= 0，EMF≠ 03.p ( H2 ) = 100kPa 时，在下列各溶液中， E ( H+/ H2)最小的是参考答案:1.0 mol·L-1 NaOH4.下列反应均能正向进行： FeCl3 + Cu ® FeCl2 + CuCl2 KMnO4 + FeSO4+ H2SO4 ® MnSO4 + Fe2(SO4)3 + K2SO4 + H2O由此可以判断，其中电极电势最大的电对是参考答案:MnO4- / Mn2+5.在实际应用中经常采用饱和甘汞电极作为参比电极，其电极电势是0.2415V，电极中的离子浓度为1.0 mol·L-1。

参考答案:错误6.下列叙述中错误的是.参考答案:所有单质的△fHmӨ均等于零7.已知EӨ( O2/ H2O ) = 1.229 V，则EӨ( O2/ OH- ) < 1.229 V。

参考答案:正确8.在配合物 [ Co (H2O)6]2+中，中心离子的d 轨道上有 3 个未成对电子，所以可知 [Co (H2O)6]2+的八面体场分裂能小于电子成对能参考答案:正确9.SrCO3在下列试剂中溶解度最大的是参考答案:0.10 mol·L-1 HAc10.H3BO3 和 BF3 都是 Lewis 酸。

参考答案:正确11.采用 NH2OH 及其盐( KbӨ = 9.1 ×10-9 ) 构成的缓冲体系，可以配制pH = 9.00 的缓冲溶液。

Green Chemistry_四川大学中国大学mooc课后章节答案期末考试题库2023年1.One of the obvious effect of catalysis to facilitate the reaction is to minimizethe activation energy (energy costs), and thus reduce the reactiontemperature.参考答案:正确2.Principles for designing safer dye chemicals to aquatic species include:参考答案:Sulfonic group (磺酸基) is better than carboxylic group (羧酸基)_Molecular weight should be larger than 1000 Daltons3.If we compare the molecule A (【图片】) with another molecule B (【图片】), the molecule A shows higher toxicity than the molecule B.参考答案:错误4.In some cases, the application of atomic economical reaction in chemicalsynthesis is not enough for eliminating the formation of wastes. These cases include:参考答案:Low product stereoselectivity_The presence of parallel reaction_Lowequilibrium conversion5.Muscarinic antagonistis (蝇覃碱拮抗剂)【图片】is a silane analog ofneopentyl carbamate (新戊基氨基甲酸酯)【图片】, the former is morebiodegradable than the latter.正确6.The use of catalysts is preferred in green chemistry because of the followingreasons:参考答案:Reduce environmental pollutions_Activate new startingmaterials_Increase the selectivity of a special product_Promote thechemical processes7.For delocalized cationic dyes containing N, the toxicity comparison should be:参考答案:The more substituents on N atom there are, the more acute the toxicity is_Primary N < Secondary N < Tertiary N8.Biodegradability of chemicals is usually enhanced by the following molecularfeatures:参考答案:Oxygen in the form of hydroxyl or carboxylic groups_Un-substitutedlinear alkyl and phenyl rings9.The eventual mineralization of organic compounds can be attributedpredominantly to the biodegradation by higher organisms.参考答案:错误10.Considering the food requirement, the following biomass resources could beused as the chemical feedstocks for producing fine chemicals and liquid fuels:Microalgae_Woody wastes11.These renewable feed-stocks are most often associated with biological andplant based starting materials, including:参考答案:Saw dust_Agricultural wastes12.Catalytic distillation is a kind of technique of process intensification, whichcombines the catalytic reaction and product separation in a single distillation column. Which equipment or techniques in the following are included inprocess intensification?参考答案:Microreactors_Static Mixers_Membrane reactor13.Oxidation reactions are frequently used in petrol-refinery (石油炼制). Tominimize the pollutions induced by inorganic oxidants, some green oxidants could be used in chemical synthesis. These green oxidants include:参考答案:O3_lattice oxygen_N2O14.Which typical environmental problems in the following are related tochemical industry?参考答案:Global warming_Acid rain_Depletion of ozone layer_Photochemicalsmog and haze15.Chemical reaction with 100% atom utilization has two characteristics. Thereactants could be fully utilized, and the resource could be most possiblyused economically. The waste could be minimized.参考答案:正确16.We can use the following substances to replace the traditional inorganicoxidants such as CrO3, KMnO4, and HNO3 in cleaner oxidation reactions:参考答案:H2O2_O2_N2O_Lattice oxygen17.We can control the reaction process even we cannot measure the parametersof chemical reaction.参考答案:错误18.The atomic economical reaction is not a requisite condition (必要条件) foreliminating the formation of wastes because the low equilibrium conversion and low product selectivity in a chemical reaction will also bring aboutpollutions.参考答案:错误19.The goal of green chemistry is to treat the environmental pollutions alreadygenerated in chemical reactions.参考答案:错误20.Renewable feedstocks are the substances that are easily regenerated withintime frames that are accessible to the human lifetime, including carbondioxide and methane.参考答案:正确21.The goal of green chemistry is to eliminate the potential of pollution before itoccurs.参考答案:正确22.Volatile organic compounds (VOCs) are frequently used as solvents inchemical reactions, which will lead to potential harmfulness to handlers and environments. From the viewpoints of green chemistry, which in thefollowing could be used as new solvents instead of VOCs for chemicalsynthesis?参考答案:Supercritical CO2_Deep eutectics (低共熔溶剂)_Water23.The following molecular features of chemicals generally do increase theresistance to aerobic(需氧) biodegradation, except:参考答案:Potential sites of enzymatic hydrolysis_Un-substituted linear alkylchains24.The possible effects of the solubility of chemicals on biodegradability are asfollows:参考答案:Microbial bioavailability_Rate of solubilization25.Which group of metals in the following should we avoid using when we aredesigning metalized acid dyes (金属化酸性染料).参考答案:Al, Cr, or Zn_Al, Cr, or Co_Cr, Co, or Zn26.If O has been inserted into the structure during molecular design, thebiodegradability of a chemical will be enhanced.参考答案:正确27.DDD【图片】is a silane analog of DDT 【图片】(organochlorine pesticide 有机氯杀虫剂), the former is more biodegradable than the latter.参考答案:正确28.The reaction types involved in biomass conversion to fine chemicals andliquid fuels include:参考答案:Hydrolysis_Deoxygenation_Hydrogenation29.One of the research area in Green Chemistry is to use renewable feedstocksfor chemical production. Which could be used as feedstocks for chemicalproduction in the following resources?参考答案:Microalgae_Agricultural wastes_Kitchen garbage_Waste cooking oil30.Traditional pollution treatment can provide a permanent cure.参考答案:错误31.Classification of surfactants includes:参考答案:Anionic surfactants_Cationic surfactants_Amphotericsurfactants_Neutral surfactants32.The majority of chemicals that are toxic to aquatic species are toxic byspecific toxicity.参考答案:错误33.For very insoluble chemicals, the replacement of a given functional groupthat increases solubility may reduce the biodegradability.参考答案:错误34.The introduction of O is particularly important for biodegradation, becausethe 1st step of biodegradation is some kind of oxidation reaction which is almost always the rate limiting step.参考答案:正确35.Several unconventional processing techniques that rely on alternative formsand sources of energy are of importance for process intensification. These alternative forms and sources of energy include:参考答案:Solar energy_Photo and other radiation_Sonic_Microwaves36.The energy is widely used in chemistry and chemical industry in thefollowing aspects:参考答案:Separation energy requirement_Accelerates the reaction rate withheat_The need to control reactivity through cooling_Pre-heating of the reaction mixture。

化工设计_西北大学中国大学mooc课后章节答案期末考试题库2023年1.化工生产中分离过程单元操作有答案:精馏_沉降_吸收2.混合物分离依据的化合物性质有答案:沸点_溶解度_密度3.釜式反应器内温度以夹套公用工程为操纵变量，控制方案有答案:前馈控制_分程控制_串级控制4.甲醇立式换热器的管线管口主要有答案:物料进料管口_物料出料管口_加热剂进料管口5.换热器的控制方案有答案:控制传热面积_控制平均传热温差_控制另一股物流流量6.离心泵的控制方案有答案:出口压力控制_改变转速控制_开关控制7.釜式反应器内温度为被控变量，可选择的操纵变量有答案:进入夹套的低压蒸汽_进入夹套的循环冷却水_进入夹套的热水8.釜式反应器可选择的被控变量有答案:釜内温度_釜内压力_釜内液位9.管道敷设时如果有以下可利用条件应尽量答案:沿柱敷设_沿墙敷设_沿操作台敷设10.管道的主要敷设方式有答案:架空敷设_埋地敷设_沿地敷设11.热衡的主要依据有答案:物衡结果_工艺设计要求_工艺流程示意图12.热衡的主要目的有答案:计算并设计或选性传热设备_确定能耗指标_为非工艺设计提供条件13.本节流化床反应器计算的主要工艺尺寸为答案:浓相段直径_浓相段高度_稀相段直径14.以下属于公用工程的有答案:蒸汽_循环水_电力15.管道号标注位置为答案:水平管道上方_竖直管道左侧16.管道布置图中，管道平面定位标注方法为答案:从土建柱中心线到管道中心线_从已定位的设备中心线到管道中心线_从已定位的管道中心线到管道中心线17.管道布置图中，管道标注有答案:管道中心线平面定位尺寸_管道中心线标高尺寸_管道物流流动方向18.管道布置图中管道线条为答案:粗实线_粗虚线19.管道布置图的内容有答案:土建_设备_管道20.管道仪表流程图中，以下管道绘制正确的有答案:管道上管件应绘制_管道流向应绘制_工艺管道应从图纸左右两侧进出21.设计计算10万吨/年丙烯腈合成工段物衡。

油气田开发地质学智慧树知到课后章节答案2023年下中国石油大学（华东）绪论单元测试1.在古代,石油用于( )。

A:防腐 B:照明 C:建筑 D:化工原料答案:防腐;照明;建筑2.世界上的常规石油储量主要分布在（）深度中。

A:>7000m B:>10000m C:<1000m D:500-3500m 答案:500-3500m3.中国新疆的含油气盆地包括（）。

A:准噶尔盆地 B:松辽盆地 C:塔里木盆地 D:渤海湾盆地答案:准噶尔盆地;塔里木盆地4.以下哪些可能来源于石油石化产品（）。

A:油漆 B:医药 C:化妆品 D:衣服答案:油漆;医药;化妆品;衣服5.开发地质学为油田合理开发提供地质依据，涉及到的工作包括（）。

A:开发井位的调整 B:开发前的评价 C:开发井监控 D:油藏研究答案:开发井位的调整;开发前的评价;开发井监控;油藏研究6.开发地质学的作用包括（）。

A:注采井网调整 B:部署井位 C:解决开发矛盾 D:分层开采答案:注采井网调整;部署井位;解决开发矛盾;分层开采7.目前，石油广泛应用在工业、农业、交通运输业、国防、医药等领域。

（）A:错 B:对答案:对8.油气是国家重要的战略资源。

（）A:对 B:错答案:对9.油气分布的差异性表现在地理位置、时代、埋藏深度等方面,总储量的一半分布在少数几十个特大油田中。

（）A:对 B:错答案:对10.鄂尔多斯盆地位于中国的新疆地区。

（）A:错 B:对答案:错第一章测试1.石油中碳和氢累计含量的平均值约为。

A:51% B:87.5% C:67% D:97.5% 答案:97.5%2.一般，源于陆相烃源岩的石油具有以下特征？A:V/Ni 大于 1 B:Ni/V 等于 1 C:Ni/V 大于 1 D:V/Ni 等于 2 答案:Ni/V 大于 1 3.石油中的钒卟啉和镍卟啉属于（）。

A:含氧化合物 B:含氮化合物 C:烃类化合物 D:含硫化合物答案:含氮化合物4.关于石油的颜色，下面那句比较准确。

药物化学中国大学mooc课后章节答案期末考试题库2023年1.下列哪些药物用于治疗抗心律失常参考答案:硝苯地平_胺碘酮_普萘洛尔_奎尼丁2.在1,4- 苯二氮䓬类结构的1,2 位上并入三唑环，生物活性明显增强，原因是参考答案:药物对代谢的稳定性及对受体的亲和力均增大3.抗癫痫药苯妥英钠属于参考答案:乙内酰脲类4.氯丙嗪的结构中不含有参考答案:二乙氨基5.关于抗抑郁药氟西汀性质的说法，正确的是参考答案:氟西汀为选择性的中枢5-HT重摄取抑制剂6.吗啡结构中17位甲基被烯丙基取代后形成的具有阿片受体拮抗作用的药物是参考答案:纳洛酮7.盐酸氯丙嗪注射液与异戊巴比妥钠注射液混合后产生沉淀的原因是参考答案:pH 值的变化8.在苯二氮䓬结构的1, 2位开合三氮唑结构,其脂溶性增加,易通过血脑屏障,产生较强的镇静催眠作用的药物是参考答案:阿普唑仑9.氯丙嗪化学结构名参考答案:2- 氯N、N-二甲基-10H- 吩噻嗪-10- 丙胺10.脂水分布系数为化合物在有机相和水相中分配达到平衡时的比值，通常用lg P表示，用于表示药物脂溶性和水溶性的相对大小。

参考答案:正确11.下列属于强心药的有参考答案:氨力农_地高辛_米力农12.地西泮与奥沙西泮的化学结构比较，奥沙西泮的极性明显大于地西泮的原因是参考答案:奥沙西泮的分子中存在羟基13.下面哪一项叙述与维生素A不符参考答案:维生素A的化学稳定性比维生素A醋酸酯高14.维生素D3转化需要的1α-羟化酶存在于参考答案:肾脏15.维生素C中酸性最强的羟基是参考答案:3位羟基16.下列化合物中哪一个药物用来治疗夜盲症？参考答案:维生素A醋酸酯17.下列化合物中哪一个是抗坏血酸？参考答案:维生素C18.下列哪些属于NO供体药物参考答案:硝苯地平_硝酸异山梨酯19.坎利酮是下列哪种利尿药的活性代谢物?参考答案:螺内酯20.下列哪些药物用于调血脂参考答案:吉非贝齐_烟酸_氯贝丁酯_洛伐他汀21.下列药物为β受体阻滞剂类降压药的是参考答案:阿替洛尔22.下列为卡托普利的化学名的是参考答案:1-[（2S）-2-甲基-3-巯基-1-氧代丙基]-L-脯氨酸23.下列关于卡托普利叙述正确的是参考答案:为血管紧张素转化酶抑制剂_用于治疗高血压_结构中含有巯基24.盐酸美西律属于（）类钠通道阻滞剂参考答案:IbFA方法用数学模型研究结构参数和生物活性之间的关系。

Single Variable Calculus_西北工业大学中国大学mooc课后章节答案期末考试题库2023年1.If f (x) and g (x) are differentiable on (a, b), 【图片】and f (x) > 0, g (x) > 0,x∈(a, b), then when x∈(a, b), we have答案:2.For what values of a and b will 【图片】be differentiable for all values of x?答案:a=-1/2, b=13.The evaluation of integral【图片】(where x>1) is答案:4.Find the derivative of【图片】答案:5.Find the centroid of a thin, flat plate covering the “triangular” region i n thefirst quadrant bounded by they-axis, the parabola【图片】, and the line【图片】.答案:6.If【图片】, find the limit of g(x) as x approaches the indicated value.答案:7.Find the derivative of the function below at x=0,【图片】答案:8.【图片】is答案:-1/329.If f (x) is continuous and F′(x) = f(x), then答案:10.Find the volume of the solid generated by revolving the region bounded bythe curve【图片】and the lines【图片】about【图片】.答案:11.The mean value【图片】that satisfies the Rolle’s Theorem on the function【图片】is答案:12.The critical number of 【图片】is ( )答案:0 and 213.Which statement is true?【图片】答案:A14.If【图片】,then【图片】答案:15.Evaluate【图片】.答案:16.The integtral of【图片】is答案:17.When x approaches infinity, the limit of【图片】is答案:18.The evaluation of integral【图片】is答案:19.If【图片】has continuous second-order derivative, and【图片】, then答案:20.Find the length of the enclosed loop【图片】shown here. The loop starts at【图片】and ends at【图片】.【图片】答案:21.The height of a body moving vertically is given by 【图片】, with s in metersand t in se conds. The body’s maximum height is ( )答案:22.If f (x) is increasing and f(x) > 0, then答案:23. A rock climber is about to haul up 100 N of equipment that has been hangingbeneath her on 40 m of rope that weighs 0.8 newton per meter. How much work will it take? (Hint: Solve for the rope and equipment separately, thenadd.)答案:24.The integral of【图片】is答案:25.Expand【图片】by partial function答案:26.Assume that u is a function of x and v is the derivative of u, then thederivative of arcsin(u) is答案:27.Find the center of mass of a thin plate covering the region bounded below bythe parabola 【图片】and above by the line 【图片】, if the density at the point 【图片】is 【图片】.答案:28.Find the limit【图片】答案:-129.Find the length of the curve【图片】, from【图片】 to【图片】.答案:53/630.Find the volume of the solid generated by revolving the regions bounded bythe curve 【图片】and line 【图片】about the x-axis.答案:31.Find the total area of the shaded region in the following picture.【图片】答案:4/332.The total area between the region 【图片】and the x-axis is答案:33.Which statement is NOT true?答案:34.Calculate【图片】答案:-135.The second derivative of the function y=secx is ( )答案:36.If gas in a cylinder is maintained at a constant temperature T, the pressure Pis related to the volume V by a formula of the form 【图片】in which a, b, n, and R are constants. Then【图片】答案:37.If【图片】then【图片】.答案:38.Calculate 【图片】The limit is ( )答案:139.Find the tangent to the folium of descartes 【图片】at the point (3,3)答案:x+y=640.Let 【图片】The tangent line to the graph of g(x) at (0,0) is ( ).答案:x-axis41.Find the derivative of the function below at x=0, 【图片】答案:It does not exist42.Find【图片】答案:43.The average value of 【图片】over theinterval [【图片】] is答案:44.Find the average rate of change of the function【图片】over the giveninterval [2,3]答案:1945.For【图片】 find the number【图片】 by using the two steps learned in 2.3.答案:0.0546.The linearization of the function 【图片】at x=1 is ( ).答案:47.If and only if x=ln(y),y=e^x.答案:正确48.Find the derivative of the function【图片】答案:49.Find the derivative of the function 【图片】It is ( )答案:50.If f (x) is an antiderivative of【图片】then【图片】答案:51.If f ′(x ) < 0, f ′′(x ) < 0, x∈(a, b), then the graph of f (x) on (a, b) is答案:decreasing and concave down.52.If【图片】, find【图片】.答案:753.At what points are the function【图片】 continuous?答案:Discontinuous at odd integer multiples of , but continuous at all other x.54.On what interval is the function 【图片】continuous?答案:55.On what interval is the function【图片】continuous?答案:56.【图片】【图片】and【图片】答案:0, 357.Suppose that the functionf(x)is second order continuous differentiable, and【图片】,【图片】. Therefore,【图片】答案:58.When x approaches 0, the limit of【图片】is答案:59.Find the area of the surface generated by revolving the curve 【图片】aboutthe x-axis to generate a solid.答案:60.Find the average rate of change of the function【图片】 over the giveninterval [0,2]答案:161.Find the limit of the function【图片】 and is the function continuous at thepoint being approached?答案:The limit is 0 and the function is continuous at62.The integral of [x/(x^2+1)]dx is答案:1/2[ln(x^2+1)]+C63.When x approaches 0, the limit of (1+3x)^(1/x) is答案:e^364.When x approaches infinity, the limit of x^(1/x) is答案:165.When x approaches infinity, for two functions f(x) and g(x), the limit off(x)/g(x) is infinity, and the limit of g(x)/f(x) is 0, thus a relationship between their growth rates can be said that答案:Function f(x) grouws faster than g(x).66. A function f is called a One-to-One function if it never takes on the same valuetwice.答案:正确67.The integtral of [e^(2x+1)]dx is答案:1/2[e^(2x+1)]+C68. A force of 2 N will stretch a rubber band 2 cm (0.02 m). Assuming thatHooke's Law applies, how far will a 4-N force stretch the rubber band?答案:4 cm69.Find the area of the surface generated by revolving the curve【图片】aboutthey-axis.答案:70.Which statement is true?答案:71.Which statement is false?答案:72.Find the integration formula of the solid volume generated by the curve 【图片】, the x-axis, and the line 【图片】revolved about the x-axis by the shell method.答案:73.Find the integration formula of the area of the region bounded above by thecurve 【图片】, below by the curve 【图片】, on the left by 【图片】, and on the right by 【图片】.答案:74.If 【图片】is continuous on [-1,1] and the average value is 2, then 【图片】答案:475. A cubic function is a polynomial of degree 3; that is, it has the form 【图片】，where a≠0. Then ( ) is false.答案:x=1 is critical number when the cubic function has only one criticalnumber.76.The graph of【图片】has ( )asymptotes.答案:377.If 【图片】then答案:78.The average value of【图片】on【图片】is答案:79.If f (x) is continuous on (−1, 1), and【图片】then答案:80.The derivative of the function【图片】 is答案:81.The function 【图片】has ( )答案:A. neither a local maximum nor a local minimum82.Find the derivative of function【图片】答案:83.Find y' , if【图片】答案:84.The derivative of 【图片】is( )答案:85.Let【图片】,Then【图片】答案:18x(x+1)86.At what points, is the function 【图片】continuous?答案:A. Discontinuous only when x= 3 or x= 187.Find the derivative of x(e^x).答案:e^x(x+1)88.The integral of (1/x)dx is答案:ln|x|+C89.Find the area of the surface generated by revolving the curve 【图片】aboutthe y-axis to generate a solid.答案:90.Find the length of the curve【图片】.答案:7ing the trapezoidal rule to estimate the integralwith n=4 steps【图片】答案:0.70500。

油气地球化学智慧树知到课后章节答案2023年下中国地质大学（武汉）中国地质大学（武汉）绪论单元测试1.根据有机质丰度指标，可将烃源岩划分为（）。

A:中等烃源岩 B:差烃源岩 C:非烃源岩 D:好烃源岩 E:主力烃源岩答案:中等烃源岩;差烃源岩;非烃源岩;好烃源岩第一章测试1.关于生命起源的化学起源假说，得到了的验证。

（）A:米勒实验 B:泰勒实验 C:麦尔实验 D:马可实验答案:米勒实验2.地质时期沉积有机质的第一大来源是。

（）A:细菌 B:浮游植物 C:浮游动物 D:高等植物答案:浮游植物3.下列哪种生物有机质的平均化学组成与石油最为相似。

（）A:纤维素 B:丹宁 C:脂类 D:木质素答案:脂类4.下列哪些属于生命进化历程的重大变革（）。

A:生物从海洋走向陆地 B:动植物的分化 C:原核生物进化为真核生物 D:异养生物进化为自养生物 E:人类的起源答案:生物从海洋走向陆地;动植物的分化;原核生物进化为真核生物;异养生物进化为自养生物;人类的起源5.生物物质地球化学循环由两个库组成，分别为（）。

A:消耗库 B:储存库 C:交换库 D:吸收库答案:储存库;交换库6.地史时期对沉积有机质有主要贡献的生物类型包括（）。

A:浮游植物 B:高等植物 C:细菌和古菌 D:浮游动物答案:浮游植物;高等植物;细菌和古菌;浮游动物7.生物有机质的主要化学组成包括（）。

A:蛋白质和氨基酸 B:木质素和丹宁 C:碳水化合物 D:脂类答案:蛋白质和氨基酸;木质素和丹宁;碳水化合物;脂类8.能量金字塔原理指初级生产力最大，次级生产力依级次减小，终极生产力最小。

（）A:错 B:对答案:对9.沼泽是煤的主要形成环境之一。

（）A:对 B:错答案:对10.蛋白质和氨基酸性质相对稳定，易保存于地质体，是生成油气最重要的生化组分。

（）A:错 B:对答案:错第二章测试1.下列哪项不属于沉积有机质。

（）A:空气中的二氧化碳 B:枯枝落叶 C:动物粪便 D:石油与天然气答案:空气中的二氧化碳2.哪种气候条件下，最有利于沼泽发育和泥炭堆积（）A:温和湿润 B:强烈波动 C:炎热干旱 D:寒冷干旱答案:温和湿润3.有机圈包含下列哪些圈层（）。