江苏大学2016-2017(2)电子试卷

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2016—2017学年度第二学期期末考试_2

2016—2017学年度第二学期期末考试本试卷分第Ⅰ卷（选择题）和第Ⅱ卷（非选择题）两部分。

考试时间120分钟，满分150分。

考试结束，将试题卷和答题卡一并交回。

第Ⅰ卷第一部分听力（共20小题；满分30分）做题时，先将答案标在试卷上。

录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。

第一节（共5个小题；每小题1.5分，满分7.5分）听下面5段对话。

每段对话后有一个小题，从题中所给的A 、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. What is it that the woman and Jack planned to do this week end?A. Go hiking.B. Climb the mountain.C. Go swimming.2. Who will eat the fish?A. Jason.B. The man.C. The woman.3. How many people will go to the park?A. 3.B. 4.C. 2.4. What is the woman going to clean?A. The bedrooms.B. The toilets.C. The living room.5. What will the man buy?A. A cellphone.B. A computer.C. Nothing.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。

每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。

每段对话或独白读两遍。

听下面一段对话，回答第6和第7题。

6. What’s the man’s father?A. A scientist.B. A travel guide.C. A businessman.7. What does the man probably like most now?A. Travel.B. Business.C. Science.听下面一段对话，回答第8至第9题。

江苏大学2016-2017-2大学物理试卷

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2．一平面简谐纵波沿着线圈弹簧传播．设波沿着 x 轴正向传播，弹簧中某圈的最大位移为 3.0 cm，振动频率为 25 Hz，弹簧中相邻两疏部中心的距离为 24 cm．当 t = 0 时，在 x = 0 处质元的位移为零并向 x 轴正向运动．试写出该波的表达式． 3．在双缝干涉实验中，波长＝550 nm 的单色平行光垂直入射到缝间距 d＝2×10 4 m 的双缝上，屏到双缝的距离 D＝2 m．求： (1) 相邻明纹的间距； (2) 用一厚度为 e＝6.6×10 6 m、折射率为 n＝1.584 的玻璃片覆盖其中一缝后，零级明纹将移到原来的第几级明纹处？(1 nm = 10 9 m)

江苏省镇江市2016-2017学年高二下学期英语期末考试试卷

江苏省镇江市2016-2017学年高二下学期英语期末考试试卷一、单项选择(共15题；共30分)1．（2分）Even if you get an average score or fail in the college entrance examination,do remember that you deserve to be____________for the efforts you make.A．applauded B．accelerated C．assumed D．addressed2．（2分）left to gather dust on the shelf for almost ten years,the book accompanied me through moving several times and still has a place in my study.A．Though B．Unless C．If D．When3．（2分）Trump is an father who impressed on his children the importance of independence and hard work when they were young.A．aggressive B．alarming C．abnormal D．awesome4．（2分）The further evidence came to light after a careful investigation voices calling for help were from the tenth floor.A．which B．that C．whose D．where5．（2分）—Why didn't you turn up at the opening ceremony?I was waiting for you all the time.—I.But I had some urgent business to deal with then.A．would like to B．would like to haveC．would like to be D．would like to have attended6．（2分）The girl received no approval of her family as her marriage with an African boy was considered as a________from tradition.A．departure B．disturbance C．decline D．discrimination 7．（2分）Conventional wisdom has it that we should________some money for rainy days when we have a lot in hand.A．put off B．put forward C．put out D．put away8．（2分）Although the city a good look in general,some of its heritage was destroyed in World War II.A．had preserves B．preserved C．preserves D．will preserve 9．（2分）The small restaurant finally closed down,previous owner was a famous actor. A．which B．its C．whose D．of which10．（2分）His former teacher's letter can act as a for him in his application for the degree in physicsfrom Oxford.A．deadline B．plot C．reference D．conference 11．（2分）In a world where the impact of climate change is becoming more obvious,the announcement that US would________from Paris Agreement is a shock to all.A．wrap B．withdraw C．wind D．wipe12．（2分）My brother is those big businesses will chase after as he is both creative and diligent. A．where B．which C．whom D．what13．（2分）When asked about his childhood,the man was found.Obviously,it is a scar he doesn't want to be touched.A．choked up B．sprung up C．split up D．broken up 14．（2分）According to the newly-elected French president,Macron,France will reform the rigid and outdated rules that________the development of the country in the near future.A．limited B．had limitedC．have been limiting D．will limit15．（2分）—So you think I was lying to you yesterday?—________.That's not what I mean.A．You are asking for itB．Don't get me wrongC．You name itD．Don't count your chickens until they are hatched二、完形填空(共1题；共20分)16．（20分）完形填空Before you put on a frown(皱眉)，make absolutely sure there are no smiles available.—Jim BeggsThe last time my eighty-three-year-old mother visited,I asked how she was feeling.It's a valid question.She has,（1）,had two knee replacements,a metal rod placed in her femur,and arthritis(关节)is settling into her bones so（2）she can no longer roll the dough(生面团)to make her famous cinnamon crisps.She moves（3）and with precision(准确)to avoid another（4）.But she hasn't（5）moving.In fact,she and my father attended their first Jimmy Buffet concert this summer,where they sat on the lawn.Here's the thing about my parents:They（6）say no to an invitation or a new（7）.If they can make it work,they're willing to（8）just about anything.When we need them to come stay with the kids,we have to get on their（9）far in advance.They（10）us daily.When asked how she was feeling,my mother responded without an ounce(盎司)of（11）:"Well, almost everything hurts every day.Some days are better than others.But you know what I've discovered?It doesn't（12）a bit to smile.So that's what I've decided to do...（13）at everyone I see.I may not be able to do all the things I used to do,but I can at least（14）someone's day."It is such simple wisdom,and such a profound shift.Moving the（15）from what we don't have,from what we've lost,from how we've been burdened to what we can（16）others is the difference between living in the dark and giving off （17）.And illumination(光亮),of course,makes traveling so much easier for us and for others.In chaos theory(混沌理论),the butterfly effect maintains that the（18）breeze from a butterfly's wing can（19）the path of a hurricane halfway across the world.Imagine,then,the possibilities that exist（20）a single smile.（1）A．after all B．on average C．for sure D．at first（2）A．wisely B．perfectly C．thoroughly D．patiently（3）A．curiously B．slowly C．cruelly D．freely（4）A．rest B．fall C．hurry D．cure（5）A．stopped B．tolerated C．regretted D．risked（6）A．sincerely B．constantly C．scarcely D．reluctantly（7）A．destination B．investment C．trust D．adventure（8）A．recover B．repeat C．try D．refuse（9）A．programs B．routines C．schedules D．procedures（10）A．tolerate B．inspire C．praise D．reward（11）A．self-pity B．self-trust C．self-blame D．self-pride（12）A．matter B．take C．lose D．hurt（13）A．wave B．target C．clap D．smile（14）A．broaden B．brighten C．shorten D．strengthen（15）A．focus B．pride C．panic D．energy（16）A．share B．owe C．offer D．promise（17）A．light B．heat C．kindness D．joy（18）A．nice B．loud C．wild D．small （19）A．mend B．change C．cross D．block （20）A．without B．above C．within D．against 三、阅读理解(共4题；共30分)17．（4分）阅读理解OUR PRODUCT RANGESKINCARE HEALTH NUTRITIONRoyal Nectar is the amazingskincare product that has taken the world by storm.It uses Bee Veno(毒液)to stimulate natural collagen(胶原蛋白)production in your skin.View Products Nectar Ease uses Manuka Honeyand Bee Venom to create a foodrich in added benefits.Alsoknown as the'Aches and PainsHoney',it is ideal for peoplewith joint problems.View ProductsYou probably already knewthat we produce some of thepurest Manuka Honey in theworld,but did you know ourother varieties may offeradded benefits too?View ProductsWELCOME TO NELSON HONEY&MARKETINGFor over100years the Cropp family have worked with nature,extracting the honey delicately,to bring you the finest quality New Zealand Honey.In1973third generation beekeeper Philip Cropp set up Nelson Honey&Marketing.His passion for bees,the many wonderful products they produce,have seen Nelson Honey grow from humble beginnings to a hugely successful company with a growing range of honey products sought after worldwide.Philip's“Honey will fix it”approach is legendary among friends,neighbors and customers and has been the driver behind some of the revolutionary products he developed over the years like Nectar Ease and Royal Nectar.Nutrition is all about our honeys.Manuka Honey,sourced from the Marlborough Sounds,Kahurangi National Park and throughout the top of New Zealand's South Island;West Coast Honey,a deliciousmulti-floral honey also described as the fruit bowl of honeys comes from the pristine(原始状态的)West Coast of the South Island;and finally Honeydew Honey which comes from the Beech forests of the Nelson Lakes areas.All our honeys are great as a food and may offer added benefits.Health covers a range of different products,aimed at helping you feel great and stay healthy.Nectar Ease is our sought after Manuka Honey with added Bee Venom range.In this range you'll also find Propolis, Pollen,Manuka Oil and Apple Cider Vinegar with added Manuka Honey.Finally our Skincare range is where you will find a range of Manuka Honey soaps as well as our world-famous Royal Nectar products;anything from the Original Face Mask to the new gift packs.To read more about how it all started,check out the About Us section,or go straight to Products to order your own goodies.（1）（2分）Which of the following comes from the Nelson Lakes areas?A．Manuka Honey.B．West Coast Honey.C．Honeydew Honey.D．Apple Cider Vinegar.（2）（2分）What is the main purpose of this article?A．To introduce Nelson Honey&Marketing.B．To analyze the benefits of honey products.C．To attract readers to visit cities in New Zealand.D．To promote products from Nelson Honey&Marketing.18．（10分）阅读理解We all know that listening to music can soothe emotional pain,but Taylor Swift,Jay-Z and Alicia Keys can also ease physical pain,according to a study of children and teenagers who had major surgery.The research was carried out because of a very personal experience.Sunitha Suresh was a college student when her grandmother had major surgery and was put in intensive care(重症监护).This meant her family couldn't always be with her.They decided to put her favorite music on an iPod so she could listen around the clock.It was very calming,Suresh says.“She knew that someone who loved her had left that music for her and she was in a familiar place.”Suresh could see that the music relaxed her grandmother and made her feel less anxious,but she wondered if she also felt less pain.That would make sense,because anxiety can make people more sensitive to pain.At the time Suresh was majoring in biomedical engineering with a minor(兼修)in music cognition (认知)at Northwestern University where her father,Santhanam Suresh,is a professor of pediatrics(儿科).So the father and daughter decided to do a study.And since Dr Suresh works with children,they decided to look at how music chosen by the children themselves might affect their tolerance for pain.It was a small study,involving60patients between9and14years old.All the patients were undergoing big operations that required them to stay in the hospital for at least a couple of days.Right after surgery,patients received narcotics(麻醉药)to control pain.The next day they were divided into three groups.One group heard30minutes of music of their choice,one heard30minutes of stories of their choice and one listened to30minutes of silence via noise canceling headphones.After a30-minute session,the children who listened to music or books reduced their pain burden by 1point on a10-point scale.Sunitha Suresh says it's equal to taking an over-the-counter pain medication like Advil or Tylenol.The findings suggest that doctors may be able to use less pain medication for their pediatric patients. And that's a good thing,says Santhanam Suresh,as children are smaller and are more likely to suffer side effects.So the less pain medication,he says,the better.（1）（2分）What does the underlined word“soothe”in Paragraph1mean?A．reduce B．influence C．stop D．ignore（2）（2分）What inspired Sunitha Suresh to do the research on the effects of music?A．Her father's study into music cognition.B．Her grandmother's experience of recovery.C．A book that claims anxiety can reduce pain.D．Her desire to find a way to help patients relieve pain.（3）（2分）During the research,all the participants_______.A．were under twelve years oldB．received narcotics to control pain after big operationsC．were required to stay in the hospital for a couple of monthsD．were divided into3groups to listen to the same music（4）（2分）What did Suresh and her father find out from their research?A．Listening to books didn't reduce the children's pain burden at all.B．Music was even more effective than pain medication for the children.C．Listening to music did reduce the children's pain burden to a great extent.D．The longer the children listened to music,the less pain they felt.（5）（2分）The findings are especially important for children because________.A．they are more sensitive to music than adultsB．they can easily get addicted to pain medicationC．they usually don't like taking pain medicationD．they are more likely to suffer side effects of pain medication19．（8分）阅读理解We have a problem，and the strange thing is that we not only know about it,but also celebrate it.Just today,someone boasted(自夸)to me that she was so busy she's averaged four hours of sleep a night for the last two weeks.She wasn't complaining;she was proud of the fact.She is not alone.Why are rational(理性的)people so irrational in their behavior?The answer is that we're in the midst of a bubble(泡沫).I call it“The More Bubble”.The nature of bubbles is that something is overvalued until—eventually—the bubble bursts,and we're left wondering why we were so irrational in the first place.The thing we're overvaluing now is the opinion of doing it all,having it all,achieving it all.This bubble is being enabled by a combination of three powerful trends:smart phones,social media, and extreme consumerism(消费主义).The result is not just information overload,but opinion overload.We are more aware than at any time in history of what everyone else is doing and,therefore,what we should be doing.In the process,we have been sold a bill of goods:that success means being supermen and superwomen who can get it all done.Of course,we boasted about being busy—it's code for being successful and important.And our answer to the problem of more is always more.We need more technology to help us create more technologies.We need to move our workload to free up our own time to do yet even more.Luckily,there is a solution to asking for more:asking for less,but better.A growing number of people are making this change.I call these people Essentialists.These people are designing their lives around what is essential and removing everything else.These people arrange to have actual weekends(during which they are not working).They create technology-free zones in their homes.They trade time on Facebook with calling those few friends who really matter to them. Instead of running to different meetings,they put space on their plans to get important work done.So we have two choices:We can be among the last people caught up in“The More Bubble,”or we can join the growing community of Essentialists and get more of what matters in our one precious life.（1）（2分）When the woman said she only slept for four hours a night for two weeks,she________. A．was unsatisfied with her lifestyle B．was asking for suggestionsC．took pride in doing so D．knew few people were like her（2）（2分）What is Paragraph4mainly about?A．The cause and result of“The More Bubble”.B．The advantages of“The More Bubble”.C．The solutions to“The More Bubble”.D．The value of“The More Bubble”.（3）（2分）According to the article,Essentialists are those who________.A．give up certain things for what matters in lifeB．prefer to change frequentlyC．are tired of information and opinionsD．are eager to become successful and important（4）（2分）What's the author's attitude towards“The More Bubble”？A．Supportive.B．Undecided.C．Disapproval.D．Doubt.20．（8分）阅读理解I've learned that you have to make the choice if you want to get anywhere.If you just let other people decide what is going to happen for you,then all your goals and dreams may never be achieved.Everyone always says that studying abroad in college can change your life.I made the decision to experience it for myself during my junior year.I chose to study in the Dominican Republic.As it got closer to the deadline,an advisor told me I had received a scholarship from an alumni(校友)family foundation.During my first semester in the country I fell in love.I was becoming bilingual(双语的)but also learning so much about a new culture.I had begun working with a local grassroots organization,taking part in a project supporting an underdeveloped community just outside the city.My main role was to become aware of the issues facing populations such as these and support community education.I was in no way ready to leave this new life.I felt as if I needed more time to get what I wanted.As the next semester began,I realized again that I needed to take a chance.I got involved with a local boarding school for girls living in poverty.I first approached the head of the school to volunteer to teach music classes,asking for money from my college church.I could have never predicted the results of this small action.Another volunteer and I were able to put together a benefit(义演)to show off what the students had learned.We invited community members,friends and other students from local universities to support the girls.We also sold art that the students themselves had created to increase the funding(资助)ofthe arts program.I felt good when I left,knowing that I had laid the foundation for a good cause and bettered the lives of young girls.There will always be people that think they know what is best for you,but you ultimately know what you want in life.My time in the Dominican Republic changed my life by giving me the realization of how fortunate I am and the fact that there is always a chance to give back.You have to go after anything and everything you desire or there may be a missed opportunity.My trip to Santo Domingo taught me to take advantage of new possibilities.（1）（2分）The article mainly tells us________.A．how the author helped poor girls in a local boarding schoolB．that studying abroad gave the author life-changing opportunitiesC．that the author chose to study abroad to follow other people's examplesD．how the author learned about the issues facing people in the Dominican Republic（2）（2分）In her first semester in the Dominican Republic,the author________.A．started a project in a developed communityB．couldn't fit in well with the school or life thereC．was unsure if she should stay for another semesterD．became absorbed in a new culture and a new language（3）（2分）From Paragraph4,we can learn that________.A．the author organized events to raise money all by herselfB．the author set up an organization with the funding of her college churchC．the author worked as a music teacher in her collegeD．the results of the voluntary work were beyond the author's expectations（4）（2分）We can infer from the last paragraph that the author________.A．think other people know what is best for usB．is grateful for her experience in Santo DomingoC．will live in the Dominican Republic in the futureD．feels pity for people who live in the Dominican Republic四、单词拼写(共10题；共20分)21．（2分）As a baby,he'd been(抛弃)by his mother.Fortunately,he was later adopted by a couple.22．（2分）She is continually(滥用)her authority by getting other people to do things for her.23．（2分）One of the(资格)you need to work here is a sense of humour! 24．（2分）It was most(慷慨的)of you to lend me the money when others turn a deaf ear to my request.25．（2分）We've been working hard to overcome(偏见)against women in politics. 26．（2分）He had a fever and a running nose.According to these he must have caught a bad cold.27．（2分）An increasing number of people are taking up cycling in their spare time,as it is quite bto health and the environment.28．（2分）In order to achieve high grades in exams,you are supposed to avoid mistakes a from carelessness.29．（2分）The academic performance of her students has proved that her professional c as a teacher is unquestionable.30．（2分）The London Underground has the d of being the oldest and the most complex underground system in the world.五、任务型阅读(共1题；共20分)31．（20分）任务型阅读The steady increase in women having babies later in life is undeniable.First-time mothers are more likely to be35or older than their counterparts(对应者)from two decades ago,according to the Pew Research Center.While the number of first-time moms between ages20and24falls,the number of births to women in their30s and40s keeps growing.In addition,recent wide-ranging studies have found significant long-term benefits in waiting to have babies.These benefits counterbalance(抵消)some worries about being an older mother and the effects it may have on children.Longevity for women who waitA study in the journal Menopause examined older mothers'life expectancy(寿命)and found that women who had their last child after the age of33are more likely to live to95.In fact,researchers reported that these women had twice the chance of living to95or older than those who had their last child before their 30th birthday.The news for women having babies after40is equally promising.Boosted brainpower for older mothersIt's also possible that later pregnancies(怀孕)protect against cognitive decline.Researchers at the University of Southern California found that women have better brainpower if they have their last baby after age35.The researchers looked at the pregnancy history of a group of830women ages41to92.Theirresearch provides strong evidence of a positive association between later age at last pregnancy and late-life cognition.Increased income over timeThere's a measurable link between the age you have your first child and income gains and losses. Women who start their families when they are older are likely to increase their earning potential.Educational and emotional support for childrenOlder parents who are less stressed about income or job security tend to be more patient and can spend more time with their children.Parents who have more secondary education can also offer more specific stimulation to their children,which can be helpful for development.An investigation of8-to12-year-olds explored how specific parenting beliefs and behaviors—such as reading,constructive play and emotional support—affected child development.The research published in the Journal of Family Psychology found that parent education and income positively affect child achievement.Having babies later in lifeCommon phenomenon It can't be that the number of women having babies later in life is steadily.Long-term in waiting to have babies Longevity forwomen who wait•with those who had their last child before30,women giving to last child after33or even40are more likely to live to95or older.Boosted brainpowerfor older mothers•Later pregnancies prevent late-life cognitionfrom.•Research on830women proves that there is aassociation between later age at last pregnancy and late-lifecognition.Increased incomeover timeOlder mothers have the potential of increasing their income inthe future.Educational andsupport for children•more patience and more time,older parentswith higher income and education can also offer specificstimulation to children.•Specific parenting beliefs and behaviors have influence onchild六、书面表达(共1题；共5分)32．（5分）慈善捐助正在我国流行开来。

2016年江苏省高考物理试卷和答案解析完整版.doc

2016年江苏省高考物理试卷一、单项选择题：本题共5小题，每小题3分，共计15分，每小题只有一个选项符合题意．1．（3分）一轻质弹簧原长为8cm，在4N的拉力作用下伸长了2cm，弹簧未超出弹性限度，则该弹簧的劲度系数为（）A．40 m/N B．40 N/m C．200 m/N D．200 N/m2．（3分）有A、B两小球，B的质量为A的两倍．现将它们以相同速率沿同一方向抛出，不计空气阻力．图中①为A的运动轨迹，则B的运动轨迹是（）A．①B．②C．③D．④3．（3分）一金属容器置于绝缘板上，带电小球用绝缘细线悬挂于容器中，容器内的电场线分布如图所示．容器内表面为等势面，A、B为容器内表面上的两点，下列说法正确的是（）A．A点的电场强度比B点的大B．小球表面的电势比容器内表面的低C．B点的电场强度方向与该处内表面垂直D．将检验电荷从A点沿不同路径到B点，电场力所做的功不同4．（3分）一自耦变压器如图所示，环形铁芯上只饶有一个线圈，将其接在a、b间作为原线圈．通过滑动触头取该线圈的一部分，接在c、d间作为副线圈．在a、b间输入电压为U1的交变电流时，c、d间的输出电压为U2，在将滑动触头从M点顺时针旋转到N点的过程中（）A．U2＞U1，U2降低B．U2＞U1，U2升高C．U2＜U1，U2降低D．U2＜U1，U2升高5．（3分）小球从一定高度处由静止下落，与地面碰撞后回到原高度再次下落，重复上述运动，取小球的落地点为原点建立坐标系，竖直向上为正方向，下列速度v和位置x的关系图象中，能描述该过程的是（）A．B．C．D．二、多项选择题：本题共4个小题，每小题4分，共计16分，每个选择题有多个选项符合题意．全部选对的得4分，选对但不全的得2分，选错或不选的得0分．6．（4分）电吉他中电拾音器的基本结构如图所示，磁体附近的金属弦被磁化，因此弦振动时，在线圈中产生感应电流，电流经电路放大后传送到音箱发生声音，下列说法正确的有（）A．选用铜质弦，电吉他仍能正常工作B．取走磁体，电吉他将不能正常工作C．增加线圈匝数可以增大线圈中的感应电动势D．磁振动过程中，线圈中的电流方向不断变化7．（4分）如图所示，两质量相等的卫星A、B绕地球做匀速圆周运动，用R、T、E k、S 分别表示卫星的轨道半径、周期、动能、与地心连线在单位时间内扫过的面积．下列关系式正确的有（）A．T A＞T B B．E kA＞E kBC．S A=S B D．=8．（4分）如图所示的电路中，电源电动势为12V，内阻为2Ω，四个电阻的阻值已在图中标出．闭合开关S，下列说法正确的有（）A．路端电压为10 VB．电源的总功率为10 WC．a、b间电压的大小为5 VD．a、b间用导线连接后，电路的总电流为1 A9．（4分）如图所示，一只猫在桌边猛地将桌布从鱼缸下拉出，鱼缸最终没有滑出桌面．若鱼缸、桌布、桌面两两之间的动摩擦因数均相等，则在上述过程中（）A．桌布对鱼缸摩擦力的方向向左B．鱼缸在桌布上的滑动时间和在桌面上的相等C．若猫增大拉力，鱼缸受到的摩擦力将增大D．若猫减小拉力，鱼缸有可能滑出桌面三、简答题：本题分必做题（第10、11题）和选做题（第12题）两部分，共计42分．请将解答填写在答题卡相应位置．10．（8分）小明同学通过实验探究某一金属电阻的阻值R随温度t的变化关系．已知该金属电阻在常温下的阻值约10Ω，R随t的升高而增大．实验电路如图1所示，控温箱用以调节金属电阻的温值．实验时闭合S，先将开关K与1端闭合，调节金属电阻的温度，分别记下温度t1，t2，…和电流表的相应示数I1，I2，…．然后将开关K与2端闭合，调节电阻箱使电流表的实数再次为I1，I2，…，分别记下电阻箱相应的示数R1，R2，…．（1）有以下两电流表，实验电路中应选用．（A）量程0～100mA，内阻约2Ω（B）量程0～0.6A，内阻可忽略（2）实验过程中，要将电阻箱的阻值由9.9Ω调节至10.0Ω，需旋转图中电阻箱的旋钮“a”、“b”、“c”，正确的操作顺序是．①将旋钮a由“0”旋转至“1”②将旋钮b由“9”旋转至“0”③将旋钮c由“9”旋转至“0”（3）实验记录的t和R的数据见下表“温度t（℃）20.0 40.0 60.0 80.0 100.0阻值R（Ω）9.6 10.4 11.1 12.1 12.0请根据表中数据，在图2作出R﹣t图象．由图线求得R随t的变化关系为R=．11．（10分）某同学用如图1所示的装置验证机械能守恒定律．一根细线系住钢球，悬挂着铁架台上，钢球静止于A点，光电门固定在A的正下方．在钢球底部竖直地粘住一片宽带为d的遮光条．将钢球拉至不同位置由静止释放，遮光条经过光电门的挡光时间t时由计时器测出，取v=作为钢球经过A点时的速度．记录钢球每次下落的高度h和计时器示数t，计算并比较钢球在释放点和A点之间的势能变化大小△E p与动能变化大小△E k，就能验证机械能是否守恒．（1）△E p=mgh计算钢球重力势能变化的大小，式中钢球下落高度h应测量释放时的钢球球心到之间的竖直距离．（A）钢球在A点时的顶端（B）钢球在A点时的球心（C）钢球在A点时的底端（2）用△E k=mv2计算钢球动能变化的大小，用刻度尺测量遮光条宽度，示数如图2所示，其读数为cm．某次测量中，计时器的示数为0.0100s，则钢球的速度为v=m/s．（3）下表为该同学的实验结果：△E p（×10﹣2J） 4.892 9.786 14.69 19.59 29.38△E k（×10﹣2J） 5.04 10.1 15.1 20.0 29.8他发现表中的△E p与△E k之间存在差异，认为这是由于空气阻力造成的．你是否同意他的观点？请说明理由．（4）请你提出一条减小上述差异的改进建议．四、【选做题】本题包括A、B、C三题，请选定其中两小题，并在相应的答题区域内作答，若多做，则按A、B两小题评分.[选修3-3]（12分）12．（3分）在高原地区烧水需要使用高压锅，水烧开后，锅内水面上方充满饱和汽，停止加热，高压锅在密封状态下缓慢冷却，在冷却过程中，锅内水蒸汽的变化情况为（）A．压强变小 B．压强不变 C．一直是饱和汽 D．变为未饱和汽13．（9分）（1）如图1所示，在斯特林循环的p﹣V图象中，一定质量理想气体从状态A 依次经过状态B、C和D后再回到状态A，整个过程由两个等温和两个等容过程组成B→C 的过程中，单位体积中的气体分子数目（选填“增大”、“减小”或“不变”），状态A和状态D的气体分子热运动速率的统计分布图象如图2所示，则状态A对应的是（选填“①”或“②”）．（2）如图1所示，在A→B和D→A的过程中，气体放出的热量分别为4J和20J．在B→C 和C→D的过程中，气体吸收的热量分别为20J和12J．求气体完成一次循环对外界所做的功．[选修3-4]（12分）14．（3分）一艘太空飞船静止时的长度为30m，他以0.6c（c为光速）的速度沿长度方向飞行经过地球，下列说法正确的是（）A．飞船上的观测者测得该飞船的长度小于30mB．地球上的观测者测得该飞船的长度小于30mC．飞船上的观测者测得地球上发来的光信号速度小于cD．地球上的观测者测得飞船上发来的光信号速度小于c15．（9分）（1）杨氏干涉实验证明光的确是一种波，一束单色光投射在两条相距很近的狭缝上，两狭缝就成了两个光源，它们发出的光波满足干涉的必要条件，则两列光的相同．如图所示，在这两列光波相遇的区域中，实线表示波峰，虚线表示波谷，如果放置光屏，在（选填“A”、“B”或“C”）点会出现暗条纹．（2）在上述杨氏干涉试验中，若单色光的波长λ=5.89×10﹣7m，双缝间的距离d=1mm，双缝到屏的距离l=2m．求第1个亮光条纹到第11个亮条纹的中心间距．[选修3-5]（12分）16．贝克勒尔在120年前首先发现了天然放射现象，如今原子核的放射性在众多领域中有着广泛应用．下列属于放射性衰变的是（）A．C→N+ eB．U+n→I+Y+2nC．H+H→He+nD．He+Al→P+n17．已知光速为c，普朗克常数为h，则频率为μ的光子的动量为．用该频率的光垂直照射平面镜，光被镜面全部垂直反射回去，则光子在反射前后动量改变量的大小为．六、计算题：本题共4小题，共计47分．解答时请写出必要的文字说明、方程式和重要的验算步骤，只写出最后答案的不能得分，有数值计算的题，答案中必须明确写出数值和单位.18．几种金属的逸出功W0见下表：金属钨钙钠钾鉫7.26 5.12 3.66 3.60 3.41W0（×10﹣19J）由一束可见光照射上述金属的表面，请通过计算说明哪些能发生光电效应．已知该可见光的波长的范围为4.0×10﹣7～7.6×10﹣6m，普朗克常数h=6.63×10﹣34J•s．19．（15分）据报道，一法国摄影师拍到“天宫一号”空间站飞过太阳的瞬间．照片中，“天宫一号”的太阳帆板轮廓清晰可见．如图所示，假设“天宫一号”正以速度v=7.7km/s绕地球做匀速圆周运动，运动方向与太阳帆板两端M、N的连线垂直，M、N间的距离L=20m，地磁场的磁感应强度垂直于v、MN所在平面的分量B=1.0×10﹣5 T，将太阳帆板视为导体．（1）求M、N间感应电动势的大小E；（2）在太阳帆板上将一只“1.5V、0.3W”的小灯泡与M、N相连构成闭合电路，不计太阳帆板和导线的电阻．试判断小灯泡能否发光，并说明理由；（3）取地球半径R=6.4×103 km，地球表面的重力加速度g=9.8m/s2，试估算“天宫一号”距离地球表面的高度h（计算结果保留一位有效数字）．20．（16分）如图所示，倾角为α的斜面A被固定在水平面上，细线的一端固定于墙面，另一端跨过斜面顶端的小滑轮与物块B相连，B静止在斜面上．滑轮左侧的细线水平，右侧的细线与斜面平行．A、B的质量均为m．撤去固定A的装置后，A、B均做直线运动．不计一切摩擦，重力加速度为g．求：（1）A固定不动时，A对B支持力的大小N；（2）A滑动的位移为x时，B的位移大小s；（3）A滑动的位移为x时的速度大小v x．21．（16分）回旋加速器的工作原理如图1所示，置于真空中的D形金属盒半径为R，两盒间狭缝的间距为d，磁感应强度为B的匀强磁场与盒面垂直，被加速粒子的质量为m，电荷量为+q，加在狭缝间的交变电压如图2所示，电压值的大小为U b．周期T=．一束该粒子在t=0﹣时间内从A处均匀地飘入狭缝，其初速度视为零．现考虑粒子在狭缝中的运动时间，假设能够出射的粒子每次经过狭缝均做加速运动，不考虑粒子间的相互作用．求：（1）出折粒子的动能E m；（2）粒子从飘入狭缝至动能达到E m所需的总时间t总；（3）要使飘入狭缝的粒子中有超过99%能射出，d应满足的条件．2016年江苏省高考物理试卷参考答案与试题解析一、单项选择题：本题共5小题，每小题3分，共计15分，每小题只有一个选项符合题意．1．（3分）（2016•江苏）一轻质弹簧原长为8cm，在4N的拉力作用下伸长了2cm，弹簧未超出弹性限度，则该弹簧的劲度系数为（）A．40 m/N B．40 N/m C．200 m/N D．200 N/m【解答】解：弹簧伸长的长度为：x=2cm=0.02m，弹簧的弹力为F=4N，根据胡克定律F=kx 得：k===200N/m．故ABC错误，D正确．故选：D2．（3分）（2016•江苏）有A、B两小球，B的质量为A的两倍．现将它们以相同速率沿同一方向抛出，不计空气阻力．图中①为A的运动轨迹，则B的运动轨迹是（）A．①B．②C．③D．④【解答】解：两球初速度大小和方向均相同，同时因抛出后两物体均只受重力，故加速度相同，因此二者具有相同的运动状态，故B的运动轨迹也是①；选项A正确，BCD错误．故选：A．3．（3分）（2016•江苏）一金属容器置于绝缘板上，带电小球用绝缘细线悬挂于容器中，容器内的电场线分布如图所示．容器内表面为等势面，A、B为容器内表面上的两点，下列说法正确的是（）A．A点的电场强度比B点的大B．小球表面的电势比容器内表面的低C．B点的电场强度方向与该处内表面垂直D．将检验电荷从A点沿不同路径到B点，电场力所做的功不同【解答】解：A、依据电场线越疏，电场强度越弱，而电场线越密的，则电场强度越强，由图可知，则A点的电场强度比B点的小，故A错误；B、根据沿着电场线方向电势是降低的，可知，小球表面的电势比容器内表面的高，故B错误；C、因容器内表面为等势面，且电场线总垂直于等势面，因此B点的电场强度方向与该处内表面垂直，故C正确；D、因A、B在同一等势面上，将检验电荷从A点沿不同路径到B点，电场力所做的功相同，均为零，故D错误；故选：C．4．（3分）（2016•江苏）一自耦变压器如图所示，环形铁芯上只饶有一个线圈，将其接在a、b间作为原线圈．通过滑动触头取该线圈的一部分，接在c、d间作为副线圈．在a、b间输入电压为U1的交变电流时，c、d间的输出电压为U2，在将滑动触头从M点顺时针旋转到N点的过程中（）A．U2＞U1，U2降低B．U2＞U1，U2升高C．U2＜U1，U2降低D．U2＜U1，U2升高【解答】解：根据变压器的电压关系有=，当滑动触头M顺时针转动时，即n2减小时，电压U2应该减小，即降低，由于n2＜n1，所以U2＜U1，故C正确，ABD错误．故选：C．5．（3分）（2016•江苏）小球从一定高度处由静止下落，与地面碰撞后回到原高度再次下落，重复上述运动，取小球的落地点为原点建立坐标系，竖直向上为正方向，下列速度v和位置x的关系图象中，能描述该过程的是（）A．B．C．D．【解答】解：以竖直向上为正方向，则小球下落的速度为负值，故C、D两图错误．设小球原来距地面的高度为h．小球下落的过程中，根据运动学公式有：v2=2g（h﹣x），由数学知识可得，v﹣x图象应是开口向左的抛物线．小球与地面碰撞后上升的过程，与下落过程具有对称性，故A正确，B错误．故选：A二、多项选择题：本题共4个小题，每小题4分，共计16分，每个选择题有多个选项符合题意．全部选对的得4分，选对但不全的得2分，选错或不选的得0分．6．（4分）（2016•江苏）电吉他中电拾音器的基本结构如图所示，磁体附近的金属弦被磁化，因此弦振动时，在线圈中产生感应电流，电流经电路放大后传送到音箱发生声音，下列说法正确的有（）A．选用铜质弦，电吉他仍能正常工作B．取走磁体，电吉他将不能正常工作C．增加线圈匝数可以增大线圈中的感应电动势D．磁振动过程中，线圈中的电流方向不断变化【解答】解：A、铜不可以被磁化，则选用铜质弦，电吉他不能正常工作，故A错误；B、取走磁体，就没有磁场，振弦不能切割磁感线产生电流，电吉他将不能正常工作，故B 正确；C、根据E=可知，增加线圈匝数可以增大线圈中的感应电动势，故C正确；D、磁振动过程中，磁场方向不变，但磁通量有时变大，有时变小，则线圈中的电流方向不断变化，故D正确．故选：BCD7．（4分）（2016•江苏）如图所示，两质量相等的卫星A、B绕地球做匀速圆周运动，用R、T、E k、S分别表示卫星的轨道半径、周期、动能、与地心连线在单位时间内扫过的面积．下列关系式正确的有（）A．T A＞T B B．E kA＞E kBC．S A=S B D．=【解答】解：A、D、则开普勒第三定律可知周期的二次方与半径的三次方成正比，则D正确，A的半径大，则其周期长，则A正确．B、C、由开普勒第二定可知绕同一天体运动的天体与中心天体连线在同一时间内扫过的面积相等，并可知连线长的速度小，则A的速度小于B的，又质量相等，则A的运动小于B 的动能，则BC错误；故选：AD8．（4分）（2016•江苏）如图所示的电路中，电源电动势为12V，内阻为2Ω，四个电阻的阻值已在图中标出．闭合开关S，下列说法正确的有（）A．路端电压为10 VB．电源的总功率为10 WC．a、b间电压的大小为5 VD．a、b间用导线连接后，电路的总电流为1 A【解答】解：A、B、外阻为R：==10Ω，则I===1A，则外压U=IR=10V，功率P=EI=12W，则A正确，B错误；C、选电源负极为0势点，则b点电势为U=7.5V，a点电势为=2.5V，则ab间的电压为7.5﹣2.5=5V，则C正确；D、a、b间用导线连接后外阻为R′，则R′=2×=7.5Ω，则电流I′==≠1A，则D错误；故选：AC．9．（4分）（2016•江苏）如图所示，一只猫在桌边猛地将桌布从鱼缸下拉出，鱼缸最终没有滑出桌面．若鱼缸、桌布、桌面两两之间的动摩擦因数均相等，则在上述过程中（）A．桌布对鱼缸摩擦力的方向向左B．鱼缸在桌布上的滑动时间和在桌面上的相等C．若猫增大拉力，鱼缸受到的摩擦力将增大D．若猫减小拉力，鱼缸有可能滑出桌面【解答】解：A、桌布向右拉出时，鱼缸相对于桌布有向左的运动，故鱼缸受到的摩擦力向右；故A错误；B、由于鱼缸在桌面上和在桌布上的动摩擦因数相同，故受到的摩擦力相等，则由牛顿第二定律可知，加速度大小相等；但在桌面上做减速运动，则由v=at可知，它在桌布上的滑动时间和在桌面上的相等；故B正确；C、鱼缸受到的摩擦力为滑动摩擦力，其大小与拉力无关，只与压力和动摩擦因数有关，因此增大拉力时，摩擦力不变；故C错误；D、猫减小拉力时，桌布在桌面上运动的加速度减小，则运动时间变长；因此鱼缸加速时间变长，桌布抽出时的位移以及速度均变大，则有可能滑出桌面；故D正确；故选：BD．三、简答题：本题分必做题（第10、11题）和选做题（第12题）两部分，共计42分．请将解答填写在答题卡相应位置．10．（8分）（2016•江苏）小明同学通过实验探究某一金属电阻的阻值R随温度t的变化关系．已知该金属电阻在常温下的阻值约10Ω，R随t的升高而增大．实验电路如图1所示，控温箱用以调节金属电阻的温值．实验时闭合S，先将开关K与1端闭合，调节金属电阻的温度，分别记下温度t1，t2，…和电流表的相应示数I1，I2，…．然后将开关K与2端闭合，调节电阻箱使电流表的实数再次为I1，I2，…，分别记下电阻箱相应的示数R1，R2，…．（1）有以下两电流表，实验电路中应选用A．（A）量程0～100mA，内阻约2Ω（B）量程0～0.6A，内阻可忽略（2）实验过程中，要将电阻箱的阻值由9.9Ω调节至10.0Ω，需旋转图中电阻箱的旋钮“a”、“b”、“c”，正确的操作顺序是①②③．①将旋钮a由“0”旋转至“1”②将旋钮b由“9”旋转至“0”③将旋钮c由“9”旋转至“0”（3）实验记录的t和R的数据见下表“温度t（℃）20.0 40.0 60.0 80.0 100.0阻值R（Ω）9.6 10.4 11.1 12.1 12.0请根据表中数据，在图2作出R﹣t图象．由图线求得R随t的变化关系为R=R=0.04t+8.8．【解答】解：（1）已知电源的电动势为1.5V，R在常温下阻值约为10Ω，滑动变阻器的阻值为0时，电路中的最大电流约为，当滑动变阻器的阻值最大为10Ω时，电路中的电流最小约为，考虑到准确性原则，电流表B量程太大，指针偏转角度小于满偏的，所以应选择电流表A．（2）将电阻箱阻值由9.9Ω调节到10.0Ω，要考虑到安全性原则，如果先把bc旋钮调节到0，这样做很危险，电路中的电流过大可能会损坏电表，应该先把电阻箱阻值调大再慢慢减小，以确保电路的安全，操作步骤是先将旋钮a由“0”旋至“1”，然后将个位数及小数位旋转至0，所以正确的顺序①②③（3）描点画图，如图所示由图象可得R随t的变化关系为：R=0.04t+8.8故答案为：（1）A；（2）①②③；（3）如图所示，R=0.04t+8.811．（10分）（2016•江苏）某同学用如图1所示的装置验证机械能守恒定律．一根细线系住钢球，悬挂着铁架台上，钢球静止于A点，光电门固定在A的正下方．在钢球底部竖直地粘住一片宽带为d的遮光条．将钢球拉至不同位置由静止释放，遮光条经过光电门的挡光时间t时由计时器测出，取v=作为钢球经过A点时的速度．记录钢球每次下落的高度h和计时器示数t，计算并比较钢球在释放点和A点之间的势能变化大小△E p与动能变化大小△E k，就能验证机械能是否守恒．（1）△E p=mgh计算钢球重力势能变化的大小，式中钢球下落高度h应测量释放时的钢球球心到B之间的竖直距离．（A）钢球在A点时的顶端（B）钢球在A点时的球心（C）钢球在A点时的底端（2）用△E k=mv2计算钢球动能变化的大小，用刻度尺测量遮光条宽度，示数如图2所示，其读数为 1.50cm．某次测量中，计时器的示数为0.0100s，则钢球的速度为v= 1.50m/s．（3）下表为该同学的实验结果：△E p（×10﹣2J） 4.892 9.786 14.69 19.59 29.38△E k（×10﹣2J） 5.04 10.1 15.1 20.0 29.8他发现表中的△E p与△E k之间存在差异，认为这是由于空气阻力造成的．你是否同意他的观点？请说明理由．（4）请你提出一条减小上述差异的改进建议．【解答】解：（1）小球下落的高度h是初末位置球心之间的高度差，所以要选B；（2）刻度尺读数的方法，需估读一位，所以读数为1.50cm；某次测量中，计时器的示数为0.0100s，则钢球的速度为：v=m/s（3）不同意．从表中的数据可知，小球动能的增加量大于小球的重力势能的减小量；若空气的阻力造成的，则△E K要小于△W P，所以误差不是空气的阻力造成的．（4）由图可知，在该实验中所求的速度是遮光片的速度，而不是小球的速度，二者之间的速度略有差别．由于小球与遮光片都做圆周运动，它们具有相等的角速度ω，根据角速度与线速度之间的关系：v=ωr可知，小球的速度与遮光片的速度之间的关系为：l和L分别是小球的球心到悬点的距离和光电门到悬点的距离，所以在计算小球的动能时，使用的速度为：故答案为：（1）B；（2）1.5，1.5；（3）不同意，空气的阻力造成的，则△E K要小于△W P，所以误差不是空气的阻力造成的；（4）分别是小球的球心到悬点的距离和光电门到悬点的距离l和L，在计算小球的动能时，使用的速度为：．四、【选做题】本题包括A、B、C三题，请选定其中两小题，并在相应的答题区域内作答，若多做，则按A、B两小题评分.[选修3-3]（12分）12．（3分）（2016•江苏）在高原地区烧水需要使用高压锅，水烧开后，锅内水面上方充满饱和汽，停止加热，高压锅在密封状态下缓慢冷却，在冷却过程中，锅内水蒸汽的变化情况为（）A．压强变小 B．压强不变 C．一直是饱和汽 D．变为未饱和汽【解答】解：水上方蒸汽的气压叫饱和气压，只与温度有关，只要下面还有水，那就是处于饱和状态，饱和气压随着温度的降低而减小，AC正确，BD错误；故选：AC13．（9分）（2016•江苏）（1）如图1所示，在斯特林循环的p﹣V图象中，一定质量理想气体从状态A依次经过状态B、C和D后再回到状态A，整个过程由两个等温和两个等容过程组成B→C的过程中，单位体积中的气体分子数目不变（选填“增大”、“减小”或“不变”），状态A和状态D的气体分子热运动速率的统计分布图象如图2所示，则状态A对应的是①（选填“①”或“②”）．（2）如图1所示，在A→B和D→A的过程中，气体放出的热量分别为4J和20J．在B→C 和C→D的过程中，气体吸收的热量分别为20J和12J．求气体完成一次循环对外界所做的功．【解答】解：（1）由图可知，图线BC与纵坐标平行，表示气体的体积不变，所以B→C的过程中，单位体积中的气体分子数目不变；根据理想气体的状态方程：可知，气体的温度越高，压强与体积的乘积PV值越大，所以由图可知T D＞T A；气体的分子的运动的统计规律：中间多，两头少；温度高，最可几速率向速度较大的方向移动；故T1＜T2；因此状态A对应的是①．（2）在气体完成一次循环后的内能与开始时是相等的，所以内能不变，即△U=0；由图可知，A→B和D→A的过程中，气体放出的热量分别为4J和30J．在B→C和C→D的过程中气体吸收的热量分别为20J和12J，则吸收的热量Q=Q AB+Q BC+Q CD+Q DA=﹣4+20+12﹣20=8J．由热力学第一定律得：△U=Q+W，所以W=﹣8J所以气体完成一次循环对外做功是8J．故答案为：（1）①；（2）气体对外做功是8J．[选修3-4]（12分）14．（3分）（2016•江苏）一艘太空飞船静止时的长度为30m，他以0.6c（c为光速）的速度沿长度方向飞行经过地球，下列说法正确的是（）A．飞船上的观测者测得该飞船的长度小于30mB．地球上的观测者测得该飞船的长度小于30mC．飞船上的观测者测得地球上发来的光信号速度小于cD．地球上的观测者测得飞船上发来的光信号速度小于c【解答】解：A、飞船上的观测者测得该飞船的长度是静止时的长度，为30m，故A错误；B、地球上的观测者测得该飞船的长度是以0.6c的速度沿长度方向飞行时长度，为：=30×=24m＜30m，故B正确；C、根据狭义相对论的光速不变原理，飞船上的观测者测得地球上发来的光信号速度等于c，地球上的观测者测得飞船上发来的光信号速度也等于c，故CD错误；故选：B15．（9分）（2016•江苏）（1）杨氏干涉实验证明光的确是一种波，一束单色光投射在两条相距很近的狭缝上，两狭缝就成了两个光源，它们发出的光波满足干涉的必要条件，则两列光的频率相同．如图所示，在这两列光波相遇的区域中，实线表示波峰，虚线表示波谷，如果放置光屏，在C（选填“A”、“B”或“C”）点会出现暗条纹．（2）在上述杨氏干涉试验中，若单色光的波长λ=5.89×10﹣7m，双缝间的距离d=1mm，双缝到屏的距离l=2m．求第1个亮光条纹到第11个亮条纹的中心间距．【解答】解：（1）产生稳定干涉图样的必要条件是两束光的频率相同．A、B两点是波峰与波峰、波谷与波谷相遇的点，是振动加强点，出现明条纹，C点波峰与波谷相遇，振动减弱，出现暗条纹．（2）相邻干涉条纹的间距为△x==×5.89×10﹣7m=1.178×10﹣3m则第1个亮光条纹到第11个亮条纹的中心间距为S=10△x=1.178×10﹣2m故答案为：（1）频率，C．（2）第1个亮光条纹到第11个亮条纹的中心间距为1.178×10﹣2m．[选修3-5]（12分）16．（2016•江苏）贝克勒尔在120年前首先发现了天然放射现象，如今原子核的放射性在众多领域中有着广泛应用．下列属于放射性衰变的是（）A．C→N+ eB．U+n→I+Y+2nC．H+H→He+nD．He+Al→P+n【解答】解：A、A选项的反应释放出电子，属于β衰变，故A正确；B、B选项属于重核裂变，故B错误；C、B选项属于轻核聚变，故C错误；D、D选项是发现中子的反应，不是放射性衰变，故D错误．故选：A。

江苏大学课后答案考试试题全免费下载

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江苏大学电工电子A期末试卷(来自复印店)

课程名称电工电子学A （Ⅰ）开课学院电气信息工程学院使用班级新能源1302考试日期2015年06月江苏大学试题A 第2页第14题图江苏大学试题A第3页江苏大学试题A第4页三．（14分）图示电路中，已知R1=6kΩ，R2=3kΩ，R3=2kΩ，I S=2.5mA，U S＝12V，C=2μF。

电路原已稳定，开关S1在t=0时打开。

⑴求电容电压u C（t）和电容电流i C（t）；⑵开关S2在t＝6ms时闭合，待电路稳定时电容电压u C为多少？⑶若增大电容C，过渡过程所需时间将如何变化？五（12分）三相对称负载作三角形联结，U l =220V ，当S 1、S 2均闭合时，各电流表读数均为17.3A ，三相功率P =4.5kW ，试求：⑴每相负载的电阻和感抗；⑵S 1合、S 2断开时,各电流表读数和有功功率P ；⑶S 1断、S 2闭合时,各电流表读数和有功功率P 。

六（14分）三相异步电动机的额定数据如下：P N =28kW ，U N =380V ，工频，n N =1455r/min，△接法，ηN =0.88，88.0cos =N ϕ，I st /I N =6，T st /T N =1.1，T max /T N =2.2。

试求：⑴额定转差率；额定运行时转子电流频率f 2；⑵电动机的额定转矩和启动转矩；⑶当电机带额定负载运行时，电源电压短时下降，最低允许降到多少伏；⑷起动时，供电变压器要求起动电流不大于150A ，负载转矩为73.5Nm 。

在Y-△起动和自耦变压器起动法中选择合适的起动方法同时满足变压器和负载的要求，（设自耦变压器选用64%的抽头）。

七（14分）某人设计的三相异步电动机正反转控制电路如图所示，但结果不能实现其功能，请找出设计中的错误，标注并用文字说明，画出正确的设计线路；说明该电路中除失（欠）压保护外还具有哪些保护？课程名称电工电子学A （Ⅰ）开课学院电气信息工程学院使用班级新能源1302考试日期2015年06月.江苏大学试题B 第2页江苏大学试题B 第3页18．某8极三相异步电动机电源频率为f ＝60Hz ，额定转差率为0.04，则该电动机的额定转速为r/min 。

江苏大学学科英语专业二真题

江苏大学学科英语专业二真题1、These apples smell _____ and taste ______. [单选题] *A. well; wellB. good; good(正确答案)C. well; goodD. good; well2、I_____you that I had made the right decision. [单选题] *A.ensuredB.insuredC.assured(正确答案)D.for sure3、Hurry up,?or we’ll _______ class. [单选题] *A. be late for(正确答案)B. late forC. late withD. be late with4、—______ you speak French?—Yes, I can.（）[单选题] *A. NeedB. Can(正确答案)C. MightD. Must5、71．How beautiful the shoes look! Can I________？[单选题] *A．try it onB．try on itC．try them on(正确答案)D．try on them6、This is the news _______ you want to know. [单选题] *A. that(正确答案)B. whatC. whenD. who7、Before you quit your job, （）how your family will feel about your decision. [单选题] *A. consider(正确答案)B. consideringC. to considerD. considered8、______ pocket money did you get when you were a child? （）[单选题] *A. WhatB. HowC. How manyD. How much(正确答案)9、Mom, I need you ______ me a pencil box.（）[单选题] *A. buyB. buyingC. to buy(正确答案)D. to buying10、_____ yuan a month _____ not enough for a family of three to live on today. [单选题] *A. Five hundred; is(正确答案)B. Five hundreds; areC. Five hundred; areD.Five hundreds; is11、Some students are able to find jobs after graduation while _____will return to school for an advanced degree. [单选题] *A. otherB. anotherC. others(正确答案)D. the other12、I gave John a present but he gave me nothing_____. [单选题] *A.in advanceB.in vainC.in return(正确答案)D.in turn13、22．______ is convenient to travel between Pudong and Puxi now. [单选题] *A．It(正确答案)B．ThisC．ThatD．What14、She talks too much; you’ll be glad when you’re free of her. [单选题] *A. 与她自由交谈B. 离开她(正确答案)C. 受她的控制D. 与她在一起15、In winter, animals have a hard time_____anything to eat. [单选题] *A.to findB.finding(正确答案)C.foundD.to finding16、—Can you play the violin at the art festival?—No, I ______. But I am good at playing the drums.（）[单选题] *A. canB. can’t(正确答案)C. doD. don’t17、( ) .Would you please ______me the gifts from your friends? [单选题] *A.to showB. showingC. show(正确答案)D. shown18、If the manager had to choose between the two, he would say John was _____ choice. [单选题] *A. goodB. the bestC. betterD. the better(正确答案)19、Miss Smith is a friend of _____. [单选题] *A. Jack’s sister’s(正确答案)B. Jack’s sisterC. Jack sister’sD. Jack sister20、59．—Can I talk to the manager?—Please wait ________ minute. [单选题] *A．anB．a(正确答案)C．theD．/21、Either you or the president（）the prizes to these gifted winners at the meeting. [单选题] *A. is handing outB. are to hand outC. are handing outD. is to hand out(正确答案)22、—Is there ______ else I can do for you? —No, thanks. I can manage it myself.（）[单选题] *A. everythingB. anything(正确答案)C. nothingD. some things23、My daughter is neither slim nor fat and she’d like a _______ skirt. [单选题] *A. largeB. medium(正确答案)C. smallD. mini24、Will you please say it again? I _______ you. [单选题] *A. didn’t hear(正确答案)B. don’t heardC. didn’t heardD. don’t hear25、Don’t read in bed. It’s _______ your eyes. [单选题] *A. good atB. good forC. bad atD. bad for(正确答案)26、_______, making some DIY things is fashionable. [单选题] *A. Stand outB. In ones opinionC. In my opinion(正确答案)D. Out of fashion27、He didn't allow _____ in his room. Actually he didn't allow his family _____ at all. [单选题] *A. to smoke; to smokeB. smoking; to smoke(正确答案)C. to smoke; smokingD. smoking; smoking28、It’s one of _______ means of transportation. [单选题] *A. cheapB. convenientC. second-handD. the most convenient(正确答案)29、The paper gives a detailed（）of how to create human embryos (胚胎)by cloning. [单选题] *A. intentionB. description(正确答案)C. affectionD. effort30、Tony wants _______ a job as a language teacher in China. [单选题] *A. findB. findingC. to find(正确答案)D. to be found。

16-17-2期末考试试卷(本科48)A_答案

南京工业职业技术学院2016/2017 第二学期试卷(A)答案课程：高等数学出卷人：蔡承文考试类型：闭卷【√】适用班级：机电、自动、机自（数维）、机械专业16级本科班1. B ； 2．A ； 3．B ； 4．D ； 5．D ； 6．C ； 7. 331y x x =++； 8．3；9．{}≠≠(,)0,0x y x y ，32；10．必要条件； 11．-⎰⎰2302(,)x x dx f x y dy ；12．(3,3)-；13.cot cot cos cos cos cos ()cot ,()5,[5]11[5sin ][5]sin sin xdx xdxx x x x p x x Q x e y e e e dx C e xdx C e C x x-⎰⎰===+=+=-+⎰⎰，由()42y π=-1C =解得，cos 1(51)sin xy e x ∴=-+； 14. 设所求平面方程为+++=0Ax By Cz D ，由平面垂直于平面=0z 可知=0C ，又因为过点-(1,1,1)且垂直于直线-+=⎧⎨=⎩100y z x 的平面方程为+=0y z ，于是可得平面+=0y z 与直线-+=⎧⎨=⎩100y z x 的交点-11(0,,)22，将点-(1,1,1)和-11(0,,)22代入方程++=0Ax By D 得==2BD A ，所以所求平面方程为++=210x y ； 15. 消去x ，再与0x =联立，即得投影曲线方程⎧++--+=⎨=⎩22224320y yz z y z x ；16.22221111222222111233x x x x y y y y z z x y dz dx dy dx dyxyx y x y dx dy ========∂∂=+=+∂∂++++=+；17.=+==2(,,)2,(,,)2,(,,)2,x xx xz f x y z xz y f x y z z f x y z x∴==(0,0,1)2,(1,0,2)2;x x x zf f 18.σ-⎰⎰2yDe d ----===-=-⎰⎰⎰222222400011(1)22yy y y dy e dx ye dy e e ;19.+⎰122)dy x y dx πππθρρ==⨯=⎰⎰132001428d d ;20. 12()3n n ∞=∑收敛，又ππ→∞= 2lim 2sin /()33n n n n12s i n 3n n n π∞=∴∑收敛；21. 11+∞∞∞===''==-<<===++-∑∑∑设时10001(),1,11,[()](),1n n n n n n x x s x R x xs x x n n x∴==---⎰1()ln(1),1xxs x dx x x 又∞=+∑01nn x n 在=1x 处发散，在=-1x 处收敛，故其和函数为=---≤<1()ln(1)(11);s x x x x22. ==--+=225(1),134x y d z x y ，设λ=--++-22(,)5(1)(1)34x yL x y x yλλ⎧=-+⎪⎪⎪=-+⎨⎪+=⎪⎪⎩225235241x yL x L y x y .===解得4335,,5512x y z23.⎤==-=⎥⎣⎦2)Vdx x dx。

2016高考江苏省真题+答案详细解析

绝密★启封前绝密★启封前2016普通高等学校招生全国统一考试（江苏卷）英语注意事项：1.答题前，先将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。

用2B 铅笔将答题卡上试卷类型A 后的方框涂黑。

框涂黑。

2.选择题的作答：每小题选出答案后，用2B 铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。

标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。

3.非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内。

写在试题卷、草稿纸和答题卡上的非答题区域均无效。

卷、草稿纸和答题卡上的非答题区域均无效。

4.考试结束后，请将本试题卷和答题卡一并上交。

考试结束后，请将本试题卷和答题卡一并上交。

第Ⅰ卷第Ⅰ卷第一部分第一部分听力（共两节，满分听力（共两节，满分 30 分）分）做题时，现将答案标在试卷上，录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。

到答题卡上。

第一节（共第一节（共 5 小题；每小题小题；每小题 1.5 分，满分分，满分 7.5 分）（略）（略）听下面听下面 5 段对话，每段对话后有一个小题。

从题中所给的 A,B,C 三个选项中选出最佳选项，并标在试卷的相应位置。

并标在试卷的相应位置。

听完每段对话后，听完每段对话后，你都有你都有 10 秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

小题。

每段对话仅读一遍。

例：例： How much is the shirt? A.£A.£ 19.15 B.£ 19.15 B.£ 9.18 C.£ 9.18 C.£ 9.15 9.15 答案是答案是 C 。

1.What are the speakers talking about? A.Having a birthday party. B.Doing some exercise. C.Getting Lydia a gift. 2.What is the woman going to do? A.Help the man. B.Take a bus. C.Get a camera. 3.What does the woman suggest the man do? A.Tell Kate ，s to stop. B. Call Kate ，s frends. C.Stay away from Kate. 4.Where does the conversation probably take place? A.In a wine shop. B. In a supermarket. C. In a restaurant. 5.What doer the woman mean? A.Keep the wondow closed. B.Go out for fresh air, C.Turn on the fan. 第二节第二节（共15小题；每小题1.5分，满分22.5分）分）听下面5段对话或独白。