课时跟踪练

课时跟踪练Tag内容描述：<p>1、Unit 3 A healthy life课时跟踪练（三）Learning about Language & Using Language一、全练语言点，基稳才能楼高本课语言点针对练习.单词拼写1Peter looks awkward (笨拙的), but in effect he is very smart.2A judge must be free from prejudice (偏见), so he can make a judgement about a case correctly.3What do you think makes his plan abortion (中途失败)?4The male (男性) is usually physically stronger than the female (女性)5The needle (针) pierced her finger while she was doing some sewing.6I lit a cigar (雪。</p><p>2、第5讲 植物的激素调节课时跟踪练一、选择题(每题5分，共60分)1.如图所示，在一株发生向光弯曲生长的玉米幼苗上，a表示弯曲部位的向光侧细胞，b表示弯曲部位的背光侧细胞。下列分析正确的是()A生长弯曲的是幼苗尖端B生长素浓度：abC细胞长度：abDb侧细胞比a侧细胞体积大解析：由于感受光刺激的部位是尖端，生长、弯曲部位是尖端下部，因此图中给以单侧光照射后，在尖端生长素先发生横向运输，运输至背光侧，所以生长素浓度：a<b；生长素向尖端以下运输，使尖端下部背光侧生长素分布多长得快，所以细胞长度：a<b，进而使幼苗向光弯曲生长。。</p><p>3、第3讲 生物技术在其他方面的应用课时跟踪练1(2017贵阳测试)植物芳香油可以不同程度地提高人体神经系统，内分泌系统的功能，帮助人体提高免疫力，具有保健、美容、治疗的作用。请回答下列问题：(1)某同学在实验中设计了如下图所示装置提取玫瑰精油，指出该装置中的两个错误：错误1：_______________________________________________。错误2：_______________________________________________。(2)用水蒸气蒸馏法提取玫瑰精油时，收集的蒸馏液________(填“是”或“不是”)纯的玫瑰精油，原因是____________________。向收集的蒸馏液中加。</p><p>4、第1讲 荒漠化的防治以我国西北地区为例课时跟踪练一、选择题科尔沁草原属半湿润到半干旱的过渡气候区，在历史上不同时期曾有大量汉族人口迁入，下图为科尔沁草原示意图。完成12题。1科尔沁沙地形成的主要人为原因是()A气候干旱B乱砍滥伐C过度放牧 D过度垦殖2下列治理科尔沁沙地的方案中，合理的是()A大量植树造林 B禁止放牧C跨流域调水 D生态移民解析：第1题，本题主要考查荒漠化形成的原因。根据材料可知该地为农牧交错带，由于汉族人口大量迁入，过度垦殖是造成土地荒漠化的主要人为原因，D对。第2题，该地位于半干旱与半湿润的过渡区，。</p><p>5、我们的民族精神课时跟踪练一、选择题1.2018年5月，历时3个月的文明的回响：来自阿富汗的古代珍宝展在成都闭幕，成都博物馆以“文化不灭，国家永生”表达了对同为文明古国的阿富汗走出战乱的诚挚祝福。“文化不灭，国家永生”体现了（）文化的力量表现在国家和民族的延续中文化是一个国家和民族生存发展的血脉文化具有传承性，能在世代相传中延续文化多样性是人类社会文明进步的动力A.B.C.D.解析：“文化不灭，国家永生”体现了文化对于国家和民族的重要意义，符合题意；与题意无关。 答案：A2.一部卷帙浩繁的二十四史，就是一部“富贵不能。</p><p>6、多变的价格课时跟踪练一、选择题1苹果作为一种大众水果，深受消费者欢迎，是秋冬季节的主力水果之一，其价格的变动深受关注。受气候、地域、生产条件等因素影响，今年我国一些苹果主产地苹果产量有所下滑，一些地区的苹果收购价、批发价、零售价都有所上涨。下列说法正确的是()A苹果的最终销售价格由气候和地域决定B苹果供给量减少导致了苹果价格的上涨C苹果种植者和经销商的收益都将会减少D政府应限定苹果最高价以维护市场稳定解析：供求影响价格，B项符合题意；价值决定价格，A项错误；苹果价格升高，种植者和经销商收益会增加，C项错误。</p><p>7、物质的量在化学实验中的应用1现有两份溶液：将106 g Na2CO3固体溶于1 L水配成溶液，将1 mol Na2CO310H2O溶于水配成1 L溶液。下列物理量一定相等的是()A物质的量浓度B溶质的物质的量C溶液的体积 D质量分数解析：两份溶液中的溶质都是1 mol Na2CO3，但前者溶液的体积不是1 L，故物质的量浓度、质量分数不同。答案：B2设NA为阿伏加德罗常数的值，下列对0.3 molL1K2SO4溶液的叙述正确的是()A1 L溶液中含有0.3NA个KB1 L溶液中含有K和SO的总数为0.9NAC2 L溶液中K的浓度为1.2 molL1D将0.3 mol硫酸钾溶于1 L水中，所得硫酸钾溶液的浓度为0.3 molL1。</p><p>8、认识有机化合物1下列物质的分类中，所属关系不符合“X包含Y、Y包含Z”的是()选项XYZA芳香族化合物芳香烃的衍生物(苯酚)B脂肪族化合物链状烃的衍生物CH3COOH(乙酸)C环状化合物芳香族化合物苯的同系物D不饱和烃芳香烃(苯甲醇)解析：芳香族化合物包含芳香烃、芳香烃的衍生物(X包含Y)，含苯环的物质中只要含有除C、H之外的第三种元素，就是芳香烃的衍生物(Z属于Y)，所以A项不符合题意；脂肪族化合物包含链状的(X包含Y)、也包含环状的，而CH3COOH是链状烃的衍生物(Z属于Y)，所以B项不符合题意；芳香族化合物是一种环状化合物，且苯的同系物属于。</p><p>9、钠及其重要化合物1(2019衡阳一模)南朝陶弘景在本草经集注中记载有鉴别消石(KNO3)与朴消(Na2SO4)之法：“以火烧之，紫青烟起，云是真消石也”。该鉴别方法利用的原理是()A受热升华B颜色反应C焰色反应 D丁达尔效应解析：含有钾元素的物质在火焰上灼烧，火焰呈现紫色(透过蓝色钴玻璃片)，该原理为焰色反应，C正确。答案：C2化学与科学、技术、社会、环境密切相关。下列有关说法正确的是()A小苏打可用于生产玻璃，也可用来除去物品表面的油污B过氧化钠可用于食品、羽毛和织物等的漂白C医用酒精、次氯酸钠等消毒液均可以将病毒氧化而达到消毒的。</p><p>10、元素周期表元素周期律1(2019郑州调研)下列关于元素的说法正确的是()A随着人工合成的同位素种类不断增加，许多元素的相对原子质量会随之变化B核素的质量数与其相对原子质量完全相同C短周期主族元素的族序数一定等于原子的最外层电子数D周期表中非金属元素均位于过渡元素右侧解析：元素的相对原子质量是指元素的平均相对原子质量，它是根据天然同位素原子所占的原子个数百分比和其相对原子质量计算出的平均值，与人工合成的同位素种类不断增加没有关系，故A错误；元素的一种核素的质量数质子数中子数，该核素的近似相对原子质量以gmol1为单。</p><p>11、无机非金属材料的主角硅1(2019厦门检测)天工开物记载：“凡埏泥造瓦，掘地二尺余，择取无砂粘土而为之”，“凡坯既成，干燥之后，则堆积窑中燃薪举火”，“浇水转釉(主要为青色)，与造砖同法”。下列说法错误的是()A粘土是制砖瓦和水泥的主要原料B“燃薪举火”使粘土发生复杂的物理化学变化C沙子的主要成分为硅酸盐D泥坯烧制后自然冷却成红瓦，浇水冷却成青瓦解析：由题目的“择取无砂粘土而为之”，说明粘土是制砖瓦和水泥的主要原料，所以选项A正确。“燃薪举火”是提供高温的环境，使粘土发生复杂的物理化学变化，选项B正确。沙子的主。</p><p>12、化学平衡状态化学平衡的移动1在一定温度下，氧化铁可以与一氧化碳在恒容密闭容器中发生下列反应：Fe2O3(s)3CO(g)2Fe(s)3CO2(g)，不可用上述反应中某种物理量来说明该反应已达到平衡状态的是()ACO的生成速率与CO2的生成速率相等B气体密度不再变化CCO的质量不变D体系的压强不再发生变化解析：A项，CO的生成速率为逆反应速率，CO2的生成速率为正反应速率，且CO、CO2的化学计量数相等，则v正(CO2)v逆(CO)，达到化学平衡；B项，当m(气体)不变时，反应即达到平衡；C项，m(CO)不变，则n(CO)不变，反应达到平衡；D项，该反应是气体体积不变的反应。</p><p>13、Module 6课时跟踪练(一) Introduction & Reading Pre-reading.阅读理解AScientists recently discovered that pictures on cave walls at Creswell Crags are the oldest known in Great Britain. But they didnt find out in the usual way.Archaeologists often date cave art with a process called radiocarbon dating. The technique can measure the age of carbon found in charcoal (木炭) drawings or painted pictures. Carbon is an element (成分) found in many things, including charcoal and even people. But in th。</p><p>14、课时跟踪练（三）Learning about Language & UsingLanguage一、全练语言点，基稳才能楼高本课语言点针对练习.单词拼写1These are the people that have contributed (贡献) more to the development of the Internet.2(2016江苏高考)Moreover, wider and better social benefits can be reached with the positive (积极的) social images built. 3Be cautious (小心的) when climbing the mountain.4He was rejected (拒绝) by all the employers and he felt quite upset.5His grandmother used to make a living by spinning (纺) thre。</p><p>15、课时跟踪练（七） Warming Up & Reading Prereading.阅读理解AThe year is 2094. It has been announced that a comet (彗星) is heading towards the Earth. Most of it will miss our planet, but two pieces will probably hit the southern half of the Earth.On 17 July, a piece four kilometers wide enters the Earths atmosphere with a massive explosion. About half of the piece is destroyed, but the remaining part hits the South Atlantic at 200 times the speed of sound. The sea boils and a huge hole is。</p><p>16、课时跟踪练（四）Warming Up & Reading Prereading.阅读理解AThere are over 60 zoos in England. We have collected hundreds of reviews, checked the zoo websites, researched several zoorelated resources and visited many of them by ourselves to give you this selection: 10 best zoos in England.Chester ZooAmong top 15 zoos in the world, it is one of the mostvisited and largest zoos in England.Whipsnade ZooWith more than 2,500 animals, it is one of the few UK zoos with elephan。</p><p>17、课时跟踪练(二) Warming Up & Reading Language Points一、全练语言点，基稳才能楼高.单词拼写1The passerby (过路人) was very grateful to us for directing him when he was lost.2Drivers are advised to take extra (额外的) care.3After living in America for many years, he becomes very familiar (熟悉的) with the custom there.4They said goodbye to the villagers, with tears rolling (滚动) down their cheeks.5The chairmans speech will be broadcast (广播) nationwide.6I have no cash (现金) on me. Can I pay。</p><p>18、课时跟踪练(三) Learning about Language & Using Language一、全练语言点，基稳才能楼高本课语言点针对练习.单词拼写1My uncle wears a heavy beard (胡须). He often shaves it in the office.2We are all affected by his total devotion (热爱) to his work. He has hardly no time to take exercise.3Lets go to the theatre first and eat at a restaurant afterwards (后来)4Thanks for your invitation (邀请) to the dance party.5The little boy was hurt falling off his bike, and now his shoulders are still painful (疼痛。</p><p>19、课时跟踪练(二) Warmup & Lesson 1Language Points一、全练语言点，基稳才能楼高.单词拼写1We have enough reasons to predict (预测) what will happen in the near future.2The ancients were mistaken (错误的) in their belief that the earth was flat.3Some students accused (指责) him of cheating in the last exam.4There is now no possibility (可能性) that she will make a recovery.5Our English teacher deserves (应得) our special thanks for all his efforts to help us.6He gave me a good description (描述) of wh。</p><p>20、课时跟踪练(三) Lesson 2 & Lesson 3 Pre-reading.阅读理解AHere at VOA Learning English, we love to help those who teach English make learning more interactive (互动的), studentcentered and fun. Besides our quizzes, lesson plans and other materials, there are other creative ways to use our programs in your classroom. Lets start with speaking activities.Beginners: Using the Day in PhotosEvery day, VOA Learning English posts interesting photos from around the world. We call it the D。</p>