【英语】福建省厦门市第一中学2015-2016学年高二上学期期中考试
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福建省厦门第一中学2022-2023学年高二下学期期中考试英语试卷学校:___________姓名:___________班级:___________考号:___________一、阅读理解Students, teachers, and local community members are strongly encouraged to register online to receive real-time information of emergency events from Columbia University.Text message warnings will only be used in rare cases where ongoing events cause an immediate threat or have a significant influence. Possible situations include severe weather conditions, emergency campus closures, crimes in progress that may endanger the community, and major transportation interruptions.Read instructions on how to sign up for emergency notifications(通知).Columbia studentsColumbia students can easily register for text message notifications. Simply enter Student Services Online, click on "Text Message Enrollment" and add your cellphone number. Students can register parents or family members by following the instructions for the public below.Columbia teachersColumbia teachers can register for text message notifications by following the step by step instructions below:● Register with your UNI and password at .● Select "Faculty & Staff" at the top of the page.● Select "Contact Details".● Click the "+" under "Phone".● Select "Campus Alert 1".● Ent er your mobile number.To receive emergency information on additional mobile phones, you may follow the above instructions for "Campus Alert 2" and "Campus Alert 3" for a total of three.Community/General PublicCommunity/General Public interested in receiving emergency information from Columbia can sign up by clicking on the "Register" button on the registration page and entering their email and mobile number. Users will receive confirmation code(密码)on theirphone and will need to confirm their account via email.Users can choose not to use the Emergency Text Alert System at any time by texting STOP to 226787, calling 226789 or sending an email to lr27682@. 1.Which is a possible situation where a text message will be sent?A.The temperature will drop slightly tomorrow.B.The campus will be closed during Christmas.C.The main railway system of the city is interrupted.D.A bank robber is being sentenced in the court of the city.2.Which step comes before the others when teachers register?A.Selecting Campus Alert. B.Entering mobile numbers. C.Clicking "+" under "Phone". D.Selecting "Faculty& Staff". 3.How can users stop receiving text messages?A.By sending an email.B.By texting STOP to 226789.C.By managing information online.D.By making a phone call to 226787.Dozens of sea turtles swim past as I dive. Suddenly a diver cuts me off. Then another. “Hey!” I think. “Watch where you’re going!” Then I realize: These aren’t divers. They are sea lions! The creatures blow bubbles a t me and the group of 11 kids I’m on vocations with, hitting us slightly on our backs. Not to bother them much, we tear ourselves away from the wonderland.We take this trip to the Galapagos Islands, a group of tropical islands crossing the equator. Our h otel is a boat called the Eclipse that has a pool. Humans aren’t allowed to live on most of the islands. The only way people can experience the magic of this place and meet animals on all the islands is by “panga”. “Our small motorboat is more important th an the Eclipse. It’s very safe,” says a local guide, Fielsch. Lack of human threat makes the animals friendly. “They don’t know enough to be scared of humans.” Our group experience that firsthand. When we return after our diving adventure, we find sea lions lying next toour-backpacks! Walking along the sand, we see more wildlife: seals, red crabs, orcas.The following morning, we reach Fernandina Island, known for its volcano. Flightless birds called cormorants build nests on the rocks. Nearby are Galapagos penguins. Averagingabout 19 inches in height, they’re the second smallest species of penguin in the world. “The Galapagos are so curious,” says 12-year-old Harry. “You’ve got penguins living far from the frozen South Pole, and birds that don’t fly!”As we ride back, six penguins stand like soldiers, seeming to say goodbye. It’s our last day; none of us wants to leave this place. We know this trip has been a milestone for us. A marked shift in our attitudes towards the natural world is underway. “The Gal apagos Islands seem to break the world’s rules,” says Harry. “More than ever, I’m interested in saving the environment. These animals truly need our care,” his sister Hannnah adds.4.How does the author find the diving experience?A.Appealing.B.Disturbing.C.Dangerous.D.Valuable.5.What’s the function of “panga”?A.To protect people from danger.B.To provide a shelter for local people.C.To guide people in seeing the animals.D.To transport people to each of the islands.6.What’s special about Galapagos penguins?A.They are not able to fly.B.They remain hidden from view.C.They live in a tropical climate.D.They’re the smallest of their kind.7.Why is the trip considered a milestone for the author’s group?A.It expands their knowledge of the world.B.It changes the way they think about nature.C.It inspires them to protect the environment.D.It enables them to interact with various wildlife.Everyone knows what makes a good story. Our hero starts their journey as a flawed being. In scene after scene, they face challenges that push them down new paths. By the end of the talc, they overcome setbacks and become a better person in the process.We love these plots in the novels we read but the principles of a good story offer much more than entertainment. Recent research shows that the narratives we tell ourselves about our lives can powerfully help us recover from stress. People who generate tales of struggling and turning over a new leaf from their own lives appear to have much better mental health. Professor Dan McAdams put forward this idea and discovered that whether someone can describe having had some control over events in their past is an important predictor of mental health. Another key theme involved is finding some kind of positive meaning after stressful events.McAdams invited 14 and 15-year-olds to join in an experiment to write about their experiences of failure and success. Half of them were then given extra instructions to describe the ways they had made their success a reality and how the failure had changed them for the better. Eight weeks later, members of this group reported greater persistence and better grades in their schoolwork.Exciting as these results are, some experts sound a few notes of caution. They worry that, hearing about the power of self-narratives, many people may feel they have to find a positive turning point in life. If they can’t, they could end up feeling guilty about having somehow “failed”.Clearly, self-narratives aren’t the panacea. Nevertheless, if you hope forself-improvement, you can use the findings to good effect. By recognizing ourselves as the hero at the center of our own struggles, we can all become the author of our own destiny and change ourselves for the better.8.What does the research focus on?A.The causes of stress.B.The principles of narrative.C.The connection between struggle and well-being.D.The link between mental health and self-narratives.9.Why is the experiment mentioned in paragraph 3?A.To give proof. B.To make predictions.C.To draw a conclusion. D.To make comparisons.10.What does the underlined word “panacea” in the last paragraph refer to?A.Attempt to get rid of worries. B.Means of recognizing yourself. C.Solution to adolescent problems. D.Guarantee to become better people.11.Which of the following can be the best title for the text?A.Embrace Life Struggles B.Be Your Own HeroC.Ways to Make a Good Story D.The Power of Self-improvementOn a September afternoon in 1940, four teenage boys made their way through the woods on a hill overlooking Montignac in southwestern France. They had come to explore a dark, deep hole said to be an underground passage to the nearby manor(庄园)of Lascaux. Squeezing through the entrance one by one, they soon saw wonderfully lifelike paintings of running horses, swimming deer, wounded wild oxen, and other beings—works of art that may be up to 20,000 years old.The collection of paintings in Lascaux is among some 150 prehistoric sites dating from the Paleolithic period(旧石器时代)that have been documented in France's Vezere Valley. This corner of southwestern Europe seems to have been a hot spot for figurative art. The biggest discovery since Lascaux occurred in December 1994, when three cave explorers laid eyes on artworks that had not been seen since a rockslide 22,000 years ago closed off a large deep cave in southern France. Here, by unsteadily shining firelight, prehistoric artists drew outlines of cave lions, herds of rhinos(犀牛)and magnificent wild oxen, horses, cave bears. In all, the artists drew 442 animals over perhaps thousands of years, using nearly 400,000 square feet of cave surface as their canvas(画布). The site, now known asChauvet-Pont-1'Arc Cave, is sometimes considered the Sistine Chapel of prehistory.For decades scholars had theorized that art had advanced in slow stages from ancient scratchings to lively, naturalistic interpretation. Surely the delicate shading and elegant lines of Chauvet's masterworks placed them at the top of that progression. Then carbon dates came in, and prehistorians felt shocked. At some 36,000 years old—nearly twice as old as those in Lascaux—Chauvet's images represented not the peak of prehistoric art but its earliest known beginnings.The search for the world's oldest cave paintings continues. On the Indonesian island of Sulawesi, for example, scientists found a large room of paintings of part-human, part-animal beings that are estimated to be 44,000 years old, older than any figurative art seen in Europe.Scholars don't know if art was invented many times over or if it was a skill developed early in our evolution. What we do know is that artistic expression runs deep in our ancestry. 12.According to the passage, where did the boys find the paintings?A.In the woods on a hill B.In a deep cave in France.C.In a manor of Lascaux. D.On an Indonesian island 13.According to the passage, figurative art in paragraph 2 is a form of artthat_____________.A.conveys concepts by using accurate numbers and formsB.makes stories in contrast to scientific subjectsC.represents persons or things in a realistic wayD.expresses ideas or feelings by using shapes and patterns14.It can be inferred from the passage that_____________.A.the Chauvet's paintings had been sealed by a rockslide until 1994B.the style of Chauvet's paintings is similar to that of the Sistine ChapelC.Chauvet's images are the earliest figurative paintings that have been foundD.the main objects of Chauvet's images are part-human, part-animal beings15.Which of the following is the best title of the passage?A.Value of Paleolithic Artwork B.Preservation of Figurative Art C.Artistic Expressions of Nature D.Searches for Cave Paintings二、七选五How much time do you spend doing research before you make a decision? There are people who go over every detail exhaustively before making a choice. ____16____ Psychologists call this way of thinking a cognitive bias (偏见), a tendency toward a specific mental mistake.To study “jumping”, we examined decision-making patterns among more than 600 people from the general population. We found that jumpers made more errors thannon-jumpers on problems that require thoughtful analysis. ____17____ In a quiz about US civics, they overestimated the chance that their answers were right significantly more than other participants did—even when their answers were wrong.So what is behind “jumping”?Psychological researchers commonly distinguish between two pathways of thought: automatic system, which reflects ideas that come to the mind easily, spontaneously and without effort, and controlled system including conscious and effortful reasoning. Jumpers and nonjumpers are equally influenced by automatic thoughts.____18____It is the controlled system that helps people counter balance mental biases introduced by the automatic system. As a result, jumpers were more likely to accept the conclusions made at first blush without further questioning. A lack of controlled thinking is also more broadly connected to their problematic beliefs and faulty reasoning.____19____ A method called metacognitive training can be used to target their biases, which can help people think more deliberatively. In this training, participants are confronted with their own biases. They can learn about the missteps and other ways of thinking through the problem at hand. It helps to chip away at participants’ overconfidence.In everyday life, the question of whether we should think things through or instead go with our gut is a frequent and important one. ____20____ Sometimes the most important decision we make can be to take some more time before making a choice.A.Happily, there may be some hope for jumpers.B.Also, jumpers had problems with overconfidence.C.But a fair number of individuals are quick to jump to conclusions.D.It is certainly possible for them to overthink things to take a decision.E.We plan to continue the work to trace other problems introduced by jumping.F.The jumpers, however, did not engage in controlled reasoning to the same degree asnon-jumpers.G.Recent studies show that even gathering just a little bit more evidence may help us avoid a major mistake.三、完形填空the street will look litt ered again. But she isn’t ____28____ — it just adds fuel to her plogging fire.The word “plogging” comes from plogga, a ____29____ of two Swedish words that mean to pick up and to jog. The activity was ____30____ by Erik Ahlstrom. When he moved to Stockholm, he felt____31____at the amount of litter in the streets and began gathering friends to clean up the neighborhood while out for runs. Now Mr. Ahlstrom is traveling the world, making the ____32____of plogging known to the public. In the U. S. , social media and running groups are ____33____ people to get out and plog: the “plogging” tag (标签) alone has more than 40, 000 posts.Murzycki has been doing this for a few years even before the trend hit the U. S. “It really is super ____34____ if you go out ever y single day and just pick up litter,” she says. But she’s figured out how to make it fun by jogging with friends and adding the ____35____, and she adds one push-up (俯卧撑), finding a tiny glass bottle.21.A.lighten B.snow C.clear D.darken 22.A.Thus B.Otherwise C.Nevertheless D.Instead 23.A.pay for B.seek for C.account for D.fight for 24.A.samples B.types C.possessions D.necessities 25.A.recycling B.updating C.sorting D.donating 26.A.appropriately B.purposefully C.personally D.flexibly 27.A.pack B.drop C.empty D.search 28.A.discovered B.accepted C.prevented D.persuaded 29.A.collection B.comparison C.connection D.combination 30.A.controlled B.challenged C.launched D.joined 31.A.confused B.astonished C.amused D.hopeless 32.A.benefits B.features C.rules D.consequences 33.A.requiring B.inspiring C.reminding D.warning 34.A.shameful B.relaxing C.depressing D.false 35.A.exercise B.value C.weight D.training四、用单词的适当形式完成短文阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。
2015—2016学年度第一学期八县(市)一中期末联考高中一年英语科试卷第I卷(共90分)第一部分:听力(共两节,满分30分)第一节(共5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,并标在答题卷的相应位置。
听完每段对话后,你都有l0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. Whose iPod will the woman borrow?A。
John's. B。
Adam’s. C. Michael’s。
2。
What does the man have to do first?A。
Clean his room. B。
Buy movie tickets。
C。
Borrow some money from his friends。
3. Where can the woman find the butter?A. In Row 10。
B。
Behind the speakers. C. In the middle of the store。
4. What will the woman drink?A. A cup of coffee。
B。
A glass of water. C. Some orange juice。
5. What does the woman suggest the man do?A. Look at his cards. B。
Put his cards down. C。
Use different cards.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,并标在答题卷的相应位置。
听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时问。
每段对话或独白读两遍。
福建省厦门市第一中学2025届高三英语第一学期期末联考试题请考生注意:1.请用2B铅笔将选择题答案涂填在答题纸相应位置上,请用0.5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。
写在试题卷、草稿纸上均无效。
2.答题前,认真阅读答题纸上的《注意事项》,按规定答题。
第一部分(共20小题,每小题1.5分,满分30分)1.一"Peter, have you got your new flat furnished?—Yes. I ______ some used furniture and it was a real bargain.A.will buy B.have bought C.bought D.had bought2.________ left the door unlocked must be held responsible for the accident. A.Whomever B.WhoeverC.Whatever D.Whenever3.We should bear in mind that social development and balance of nature should goin .A.company B.sympathy C.association D.harmony4.If you, the special one in the world, want to show your ______ personality, this T-shirt is exactly what you are looking for.A.calm B.unique C.straight D.constant5.Running is often tiring and a lot of hard work, but nothing ________ the feeling you get after finishing a long workout around the track.A.breaks B.blocksC.bonds D.beats6.Thinking that her daughter was doing her homework ,the mother left the room,_________.A.quickly and gentle B.quick and gentleC.quickly and gently D.quick and gently7.What impressed me most about the movie were the ________ filmed in New Y ork. A.scenery B.scenesC.sights D.views8.To combat global warming, many people are _________ the use of alternative energy sources.A.applying to B.jumping at C.dipping into D.pushing for9.Despite the obvious privacy concerns, the use of facial-recognition technology is________ at some public places.A.out of danger B.on the run C.out of sight D.on the rise10.If you leave this application form and go to another website, you will lose ______ you have already filled out on this form.A.whatever B.whoeverC.wherever D.whenever11.Tourists are required to _________ local customs and mind their manners when travelling abroad.A.spot B.confirmC.observe D.spread12.-- Did Jim come?-- I don’t know. He _______ while I was out.A.might have come B.might comeC.must have come D.should have come13..— I'm really angry at my naughty son. He never listens to me and often is against me.— ____, Ellen. Things will go out.A.It doesn't matter B.Take your timeC.Don't mention it D.Take it easy14.Some analysts suspected that the rebellion was _______ and financed by a western country.A.launched B.backed C.evaluated D.crushed15.—-What difference will it make _____we shall go to the concert on Tuesday or Saturday?—They offer a discount on weekdays.A.that B.whenC.if D.why16.The new supermarket has announced that the first to purchase goods on the opening day ________ get a big prize.A.must B.shallC.would D.could17.students English well, the teacher tries to speak English in class very often. A.Teaching B.TaughtC.To teach D.Teach18.—Do you feel like going to the cinema tonight?—Sorry, I ’ m so tired.I ____an early night.A.have B.am having C.have had D.had19.I wanted some more cold meat but there was _____ left.A.none B.no one C.any D.some20.— I like your new shoes!— Thanks. I had to try on almost a dozen pairs _________ I decided to get them. A.as B.whenC.after D.before第二部分阅读理解(满分40分)阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项。
2015-2016学年福建省厦门一中高三(上)期中数学试卷(文科)一、选择题(每小题5分)1.(5分)集合M={y|y=lg(x2+1),x∈R},集合N={x|4x>4,x∈R},则M∩N 等于()A.[0,+∞)B.[0,1) C.(1,+∞)D.(0,1]2.(5分)设复数z满足=()A.0 B.1 C.D.23.(5分)“a<b<0”是“>”的()A.充分不必要条件 B.必要不充分条件C.充要条件D.既不充分也不必要条件4.(5分)已知•=﹣12,||=4,和的夹角为135°,则||为()A.12 B.6 C.D.35.(5分)执行如图所示的程序框图,输出的S值为()A.1 B.3 C.7 D.156.(5分)已知tanα=2(α∈(0,π)),则cos(+2α)=()A.B.C.﹣ D.﹣7.(5分)已知数列{a n}中,a3=,a7=,且{}是等差数列,则a5=()A.B.C.D.8.(5分)函数y=x+cosx的大致图象是()A.B.C.D.9.(5分)平行四边形ABCD中,AC与BD交于点O,M为OC的中点,若=(2,4),=(1,3),则等于()A.B.﹣ C.3 D.﹣310.(5分)给出下列四个命题:①f(x)=sin(2x﹣)的对称轴为x=,k∈Z;②若函数y=2cos(ax﹣)(a>0)的最小正周期是π,则a=2;③函数f (x)=sinxcosx﹣1的最小值为﹣;④函数y=sin(x+)在[﹣]上是增函数,其中正确命题的个数是()A.1个 B.2个 C.3个 D.4个11.(5分)设点P是双曲线=1(a>0,b>0)与圆x2+y2=a2+b2在第一象限的交点,F1,F2分别是双曲线的左、右焦点,且|PF1|=2|PF2|,则双曲线的离心率为()A.B.C. D.12.(5分)设函数f′(x)是奇函数f(x)(x∈R)的导函数,f(﹣1)=0,当x >0时,xf′(x)﹣f(x)<0,则使得f(x)>0成立的x的取值范围是()A.(﹣∞,﹣1)∪(0,1)B.(﹣1,0)∪(1,+∞) C.(﹣∞,﹣1)∪(﹣1,0) D.(0,1)∪(1,+∞)二、填空题(每小题5分)13.(5分)已知实数x,y满足条件,则z=x﹣2y的最大值为.14.(5分)已知等差数列{a n}中,a3=,则cos(a1+a2+a6)=.15.(5分)已知点A(2,4)在抛物线y2=2px上,且抛物线的准线过双曲线=1(a>0,b>0)的一个焦点,若双曲线的离心率为2,则该双曲线的方程为.16.(5分)当x∈[﹣2,1]时,不等式ax3﹣x2+4x+3≥0恒成立,则实数a的取值范围是.三、解答题17.(12分)已知等比数列{a n}的前n项和为S n,S1,S3,S2成等差数列,且a1﹣a3=3,(Ⅰ)求{a n}的通项公式;(Ⅱ)求S n,并求满足S n≤2的n的值.18.(12分)已知函数f(x)=﹣3,=(2sinx,4),=(2cosx,cos2x).(Ⅰ)求函数f(x)的最大值及此时x的值;(Ⅱ)在△ABC中,a,b,c分别为内角A,B,C所对的边,若f(A)为f(x)的最大值,且a=2,sinC=sinB,求△ABC的面积.19.(12分)已知函数f(x)=+﹣lnx﹣,其中a∈R,且曲线y=f(x)在点(1,f(1))处的切线垂直于直线y=x.(Ⅰ)求a的值;(Ⅱ)求函数f(x)的单调区间与极值.20.(12分)设F1,F2分别是C:+=1(a>b>0)的左,右焦点,M是C 上一点且MF2与x轴垂直,直线MF1与C的另一个交点为N.(1)若直线MN的斜率为,求C的离心率;(2)若直线MN在y轴上的截距为2,且|MN|=5|F1N|,求a,b.21.(12分)设a∈[﹣2,0],已知函数(Ⅰ)证明f(x)在区间(﹣1,1)内单调递减,在区间(1,+∞)内单调递增;(Ⅱ)设曲线y=f(x)在点P i(x i,f(x i))(i=1,2,3)处的切线相互平行,且x1x2x3≠0,证明.四、选修4-4坐标系与参数方程22.(10分)在直角坐标系xOy中,以坐标原点为极点,x轴正半轴为极轴建立极坐标系,半圆C的极坐标方程为ρ=2cosθ,θ∈[0,](Ⅰ)求C的参数方程;(Ⅱ)设点D在半圆C上,半圆C在D处的切线与直线l:y=x+2垂直,根据(1)中你得到的参数方程,求直线CD的倾斜角及D的坐标.五、选修4-5:不等式选讲23.设函数f(x)=|x+|+|x﹣a|(a>0).(Ⅰ)证明:f(x)≥2;(Ⅱ)若f(3)<5,求a的取值范围.2015-2016学年福建省厦门一中高三(上)期中数学试卷(文科)参考答案与试题解析一、选择题(每小题5分)1.(5分)集合M={y|y=lg(x2+1),x∈R},集合N={x|4x>4,x∈R},则M∩N 等于()A.[0,+∞)B.[0,1) C.(1,+∞)D.(0,1]【解答】解:∵x2+1≥1∴集合M={y|y=lg(x2+1),x∈R}={y|y≥0}集合N={x|4x>4,x∈R}={x|4x>41}={x|x>1}∴M∩N=(1,+∞)故选:C.2.(5分)设复数z满足=()A.0 B.1 C.D.2【解答】解:由于,所以1﹣z=i+zi所以z=═则|1+z|=故选:C.3.(5分)“a<b<0”是“>”的()A.充分不必要条件 B.必要不充分条件C.充要条件D.既不充分也不必要条件【解答】解:由a<b<0,得,﹣a>﹣b>0,由不等式的性质可得,>0;反之则不成立,例如a=1,b=2满足,但不满足“a<b<0”∴“a<b<0”是“”的充分不必要条件,故选:A.4.(5分)已知•=﹣12,||=4,和的夹角为135°,则||为()A.12 B.6 C.D.3【解答】解:由题意利用两个向量的数量积的定义可得=cos135°=4•(),解得=6,故选:B.5.(5分)执行如图所示的程序框图,输出的S值为()A.1 B.3 C.7 D.15【解答】解:由程序框图知:算法的功能是求S=1+21+22+…+2k的值,∵跳出循环的k值为3,∴输出S=1+2+4=7.故选:C.6.(5分)已知tanα=2(α∈(0,π)),则cos(+2α)=()A.B.C.﹣ D.﹣【解答】解:∵tanα=2,α∈(0,π),则cos(+2α)=cos(+2α)=﹣sin2α=﹣2sinαcosα=﹣=﹣═﹣=﹣,故选:D.7.(5分)已知数列{a n}中,a3=,a7=,且{}是等差数列,则a5=()A.B.C.D.【解答】解:设等差数列{}的公差为d,则=+4d,∴=+4d,解得d=2.∴=+2d=10,解得a5=.故选:B.8.(5分)函数y=x+cosx的大致图象是()A.B.C.D.【解答】解:由于f(x)=x+cosx,∴f(﹣x)=﹣x+cosx,∴f(﹣x)≠f(x),且f(﹣x)≠﹣f(x),故此函数是非奇非偶函数,排除A、C;又当x=时,x+cosx=x,即f(x)的图象与直线y=x的交点中有一个点的横坐标为,排除D.故选:B.9.(5分)平行四边形ABCD中,AC与BD交于点O,M为OC的中点,若=(2,4),=(1,3),则等于()A.B.﹣ C.3 D.﹣3【解答】解:如图,∵ABCD为平行四边形,且AC与BD交于点O,M为OC的中点,∴,又=(1,3),∴,则=(),又=(2,4),∴=(﹣1,﹣1),则=(﹣1,﹣1)•()=(﹣1)×()+(﹣1)×(﹣)=3.故选:C.10.(5分)给出下列四个命题:①f(x)=sin(2x﹣)的对称轴为x=,k∈Z;②若函数y=2cos(ax﹣)(a>0)的最小正周期是π,则a=2;③函数f (x)=sinxcosx﹣1的最小值为﹣;④函数y=sin(x+)在[﹣]上是增函数,其中正确命题的个数是()A.1个 B.2个 C.3个 D.4个【解答】解:①由,得x=,k∈Z,∴f(x)=sin(2x﹣)的对称轴为x=,k∈Z,①正确;②若函数y=2cos(ax﹣)(a>0)的最小正周期是π,则,即a=2,②正确;③函数f(x)=sinxcosx﹣1=,最小值为﹣,③正确;④当x∈[﹣]时,x[﹣],∴函数y=sin(x+)在[﹣]上不是单调函数,④错误.∴正确命题的个数是3个.故选:C.11.(5分)设点P是双曲线=1(a>0,b>0)与圆x2+y2=a2+b2在第一象限的交点,F1,F2分别是双曲线的左、右焦点,且|PF1|=2|PF2|,则双曲线的离心率为()A.B.C. D.【解答】解:∵P是双曲线与圆x2+y2=a2+b2在第一象限的交点,∴点P到原点的距离|PO|=,∴∠F1PF2=90°,∵|PF1|=2|PF2|,∴|PF1|﹣|PF2|=|PF2|=2a,∴|PF1|=4a,|PF2|=2a,∴16a2+4a2=4c2,∴c=a,∴.故选:A.12.(5分)设函数f′(x)是奇函数f(x)(x∈R)的导函数,f(﹣1)=0,当x >0时,xf′(x)﹣f(x)<0,则使得f(x)>0成立的x的取值范围是()A.(﹣∞,﹣1)∪(0,1)B.(﹣1,0)∪(1,+∞) C.(﹣∞,﹣1)∪(﹣1,0) D.(0,1)∪(1,+∞)【解答】解:设g(x)=,则g(x)的导数为:g′(x)=,∵当x>0时总有xf′(x)<f(x)成立,即当x>0时,g′(x)恒小于0,∴当x>0时,函数g(x)=为减函数,又∵g(﹣x)====g(x),∴函数g(x)为定义域上的偶函数又∵g(﹣1)==0,∴函数g(x)的图象性质类似如图:数形结合可得,不等式f(x)>0⇔x•g(x)>0⇔或,⇔0<x<1或x<﹣1.故选:A.二、填空题(每小题5分)13.(5分)已知实数x,y满足条件,则z=x﹣2y的最大值为﹣2.【解答】解:由约束条件作出可行域如图,联立,解得A(2,2),化目标函数z=x﹣2y为,由图可知,当直线过A时,直线在y轴上的截距最小,z有最大值为2﹣2×2=﹣2.故答案为:﹣2.14.(5分)已知等差数列{a n}中,a3=,则cos(a1+a2+a6)=﹣1.【解答】解:∵数列{a n}为等差数列,且a3=,∴a1+a2+a6=,∴cos(a1+a2+a6)=cosπ=﹣1.故答案为:﹣1.15.(5分)已知点A(2,4)在抛物线y2=2px上,且抛物线的准线过双曲线=1(a>0,b>0)的一个焦点,若双曲线的离心率为2,则该双曲线的方程为.【解答】解:∵点A(2,4)在抛物线y2=2px上,∴16=4p,即p=4.∴抛物线的准线方程为x=﹣2.又抛物线的准线过双曲线=1(a>0,b>0)的一个焦点,则c=2,而,∴a=1,则b2=c2﹣a2=4﹣1=3.∴双曲线方程为.故答案为:.16.(5分)当x∈[﹣2,1]时,不等式ax3﹣x2+4x+3≥0恒成立,则实数a的取值范围是[﹣6,﹣2] .【解答】解:当x=0时,不等式ax3﹣x2+4x+3≥0对任意a∈R恒成立;当0<x≤1时,ax3﹣x2+4x+3≥0可化为a≥,令f(x)=,则f′(x)=﹣++=﹣(*),当0<x≤1时,f′(x)>0,f(x)在(0,1]上单调递增,f(x)max=f(1)=﹣6,∴a≥﹣6;当﹣2≤x<0时,ax3﹣x2+4x+3≥0可化为a≤﹣﹣,由(*)式可知,当﹣2≤x<﹣1时,f′(x)<0,f(x)单调递减,当﹣1<x<0时,f′(x)>0,f(x)单调递增,f(x)min=f(﹣1)=﹣2,∴a≤﹣2;综上所述,实数a的取值范围是﹣6≤a≤﹣2,即实数a的取值范围是[﹣6,﹣2].故答案为:[﹣6,﹣2].三、解答题17.(12分)已知等比数列{a n}的前n项和为S n,S1,S3,S2成等差数列,且a1﹣a3=3,(Ⅰ)求{a n}的通项公式;(Ⅱ)求S n,并求满足S n≤2的n的值.【解答】解:(I)设等比数列{a n}的公比为q,∵S1,S3,S2成等差数列,且a1﹣a3=3,∴2S3=S1+S2即=a1(2+q),=3,解得a1=4,q=﹣.∴.(II)S n==.,当n为奇数时不满足,当n为偶数时,S n==≤2,解得n=2.18.(12分)已知函数f(x)=﹣3,=(2sinx,4),=(2cosx,cos2x).(Ⅰ)求函数f(x)的最大值及此时x的值;(Ⅱ)在△ABC中,a,b,c分别为内角A,B,C所对的边,若f(A)为f(x)的最大值,且a=2,sinC=sinB,求△ABC的面积.【解答】(本题满分为12分)解:(Ⅰ)f(x)=﹣3=4sinxcosx+4cos2x﹣3=2sin2x+4×﹣3=2sin2x+2cos2x﹣1=4sin(2x+)﹣1…4分所以,当2x+=2kπ,k∈Z时,f(x)取得最大值3,此时,x=k,k ∈Z…6分(Ⅱ)∵f(A)为f(x)的最大值及A∈(0,π),由(Ⅰ)可得:A=…7分∵sinC=sinB,∴c=,由余弦定理可得:,把A=,a=2代入解得:b=2,可得c=2.∴△ABC的面积s=bcsinA==…12分19.(12分)已知函数f(x)=+﹣lnx﹣,其中a∈R,且曲线y=f(x)在点(1,f(1))处的切线垂直于直线y=x.(Ⅰ)求a的值;(Ⅱ)求函数f(x)的单调区间与极值.【解答】解:(Ⅰ)∵f(x)=+﹣lnx﹣,∴f′(x)=﹣﹣,∵曲线y=f(x)在点(1,f(1))处的切线垂直于直线y=x.∴f′(1)=﹣a﹣1=﹣2,解得:a=.(Ⅱ)由(Ⅰ)知:f(x)=+﹣lnx﹣,f′(x)=﹣﹣=(x>0),令f′(x)=0,解得x=5,或x=﹣1(舍),∵当x∈(0,5)时,f′(x)<0,当x∈(5,+∞)时,f′(x)>0,故函数f(x)的单调递增区间为(5,+∞);单调递减区间为(0,5);当x=5时,函数取极小值﹣ln5.20.(12分)设F1,F2分别是C:+=1(a>b>0)的左,右焦点,M是C 上一点且MF2与x轴垂直,直线MF1与C的另一个交点为N.(1)若直线MN的斜率为,求C的离心率;(2)若直线MN在y轴上的截距为2,且|MN|=5|F1N|,求a,b.【解答】解:(1)∵M是C上一点且MF2与x轴垂直,∴M的横坐标为c,当x=c时,y=,即M(c,),若直线MN的斜率为,即tan∠MF1F2=,即b2==a2﹣c2,即c2+﹣a2=0,则,即2e2+3e﹣2=0解得e=或e=﹣2(舍去),即e=.(Ⅱ)由题意,原点O是F1F2的中点,则直线MF1与y轴的交点D(0,2)是线段MF1的中点,设M(c,y),(y>0),则,即,解得y=,∵OD是△MF1F2的中位线,∴=4,即b2=4a,由|MN|=5|F1N|,则|MF1|=4|F1N|,解得|DF1|=2|F1N|,即设N(x1,y1),由题意知y1<0,则(﹣c,﹣2)=2(x1+c,y1).即,即代入椭圆方程得,将b2=4a代入得,解得a=7,b=.21.(12分)设a∈[﹣2,0],已知函数(Ⅰ)证明f(x)在区间(﹣1,1)内单调递减,在区间(1,+∞)内单调递增;(Ⅱ)设曲线y=f(x)在点P i(x i,f(x i))(i=1,2,3)处的切线相互平行,且x1x2x3≠0,证明.【解答】解:(Ⅰ)令,.①,由于a∈[﹣2,0],从而当﹣1<x<0时,,所以函数f1(x)在区间(﹣1,0)内单调递减,②=(3x﹣a)(x﹣1),由于a∈[﹣2,0],所以0<x<1时,;当x>1时,,即函数f2(x)在区间(0,1)内单调递减,在区间(1,+∞)上单调递增.综合①②及f1(0)=f2(0),可知:f(x)在区间(﹣1,1)内单调递减,在区间(1,+∞)内单调递增;(Ⅱ)证明:由(Ⅰ)可知:f′(x)在区间(﹣∞,0)内单调递减,在区间内单调递减,在区间内单调递增.因为曲线y=f(x)在点P i(x i,f(x i))(i=1,2,3)处的切线相互平行,从而x1,x2,x3互不相等,且.不妨x1<0<x2<x3,由+a=.可得,解得,从而.设g(x)=3x2﹣(a+3)x+a,则.由,解得,所以,设t=,则,∵a∈[﹣2,0],∴,故,故.四、选修4-4坐标系与参数方程22.(10分)在直角坐标系xOy中,以坐标原点为极点,x轴正半轴为极轴建立极坐标系,半圆C的极坐标方程为ρ=2cosθ,θ∈[0,](Ⅰ)求C的参数方程;(Ⅱ)设点D在半圆C上,半圆C在D处的切线与直线l:y=x+2垂直,根据(1)中你得到的参数方程,求直线CD的倾斜角及D的坐标.【解答】解:(1)由半圆C的极坐标方程为ρ=2cosθ,θ∈[0,],即ρ2=2ρcosθ,可得C的普通方程为(x﹣1)2+y2=1(0≤y≤1).可得C的参数方程为(t为参数,0≤t≤π).(2)设D(1+cos t,sin t),由(1)知C是以C(1,0)为圆心,1为半径的上半圆,∵直线CD的斜率与直线l的斜率相等,∴tant=,t=.故D的直角坐标为,即(,).五、选修4-5:不等式选讲23.设函数f(x)=|x+|+|x﹣a|(a>0).(Ⅰ)证明:f(x)≥2;(Ⅱ)若f(3)<5,求a的取值范围.【解答】解:(Ⅰ)证明:∵a>0,f(x)=|x+|+|x﹣a|≥|(x+)﹣(x﹣a)|=|a+|=a+≥2=2,故不等式f(x)≥2成立.(Ⅱ)∵f(3)=|3+|+|3﹣a|<5,∴当a>3时,不等式即a+<5,即a2﹣5a+1<0,解得3<a<.当0<a≤3时,不等式即6﹣a+<5,即a2﹣a﹣1>0,求得<a≤3.综上可得,a的取值范围(,).。
厦门市重点中学2022-2023学年第二学期高二年段第一次阶段考英语试卷第一部分听力(共两节,满分30分)第一节(共5小题;每小题1.5分,满分7.5分)1.What does the woman want to buyA.Oranges and apples.B.Sweets and apples.C.Vegetables and apples.2.Who is coming for teaA.Mark.B.John.C.Tracy.3.Where is the man going to spend his ChristmasA.In his brother's.B.In his mother's.C.In his sister's.4.Where does the man most likely liveA.In Canada.B.In New York.C.In California.5.Why are the kids in the woman’s yardA.To play baseball.B.To look for their dog.C.To get their baseball back.第二节(共15小题;每小题1.5分,满分22.5分)听第6段材料,回答第6、7题。
6.Where does the woman want to goA.To Disneyland.B. To Shanghai University.C.To the Oriental Pearl Tower.7.What will the speakers probably do nextA.Cancel their flight.B.Call their neighbors.C.Order a taxi.听第7段材料,回答第8、9题。
8.Why does the woman want to go homeA.She isn’t feeling well.B.She needs to get something to eat.C.She doesn't want to attend the meeting.9.What will the man do for the womanA.Drive her somewhere.B.Work on her project for her.C.Ask for a sick leave for her. 听第8段材料,回答第10至12题。
厦门一中2018-2019学年第一学期高二年上学期12月考英语试卷第一部分听力(略)第二部分知识运用与能力测试第一节单项选择(共10小题;每小题1分,共10分)21. Supposing this ship ____________,do you think there would be enough life jackets for all the passengers?A. was sinkingB. has sunkC. were to sinkD. sinks22. The insects would eat out all our crops and kill our flocks and heads, if ____________for the protection we get from insect-eating animals.A. it is notB. it were notC. were it notD. they were not23. Frankly, I’d rather you ____________anything about it for the time being.A. not doB. don’t doC. didn’t doD. will not do24. “If I hadn’t practiced when I was younger,” the musician says, “I ____________able to play so well now.”A. wouldn’t beB. won’t beC. wouldn’t have beenD. couldn’t have been25. Was it during the Second World War ____________he died?A. whereB. thenC. thatD. while26. I don’t think ____________possible to master a foreign language without much memory work.A. itsB. it wasC. itD. this27. Which of the following sentences is correct?A. Consequently, this text will describe only the most important ones, starts from the sixth century A D.B. During the Renaissance, new ideas and values gradually replaced those that held in the Middle Ages.C. When people first saw his paintings, they convinced that they were looking through a hole in a wall at a real scene.D. Among the painters who broke away from the traditional style of painting were the Impressionists, who lived andworked in Paris.28. Which of the following sentences is correct?A. You can also explore Frick’s beautiful home and garden which are very worth a visit.B. It is amazing that so many great works of art from the late 19th century to the 21st century are housed in the samemuseum.C. There are various reasons that people write poetry.D. The language is concrete but imaginative, and they are delighted small children because they rhyme, have strongrhythm and a lot of repetition.29. Which of the following sentences is correct?A. I think my long and active life must due to the healthy life I live.B. If a person to become infected, blood or sexual fluid that carries the virus, has to get inside the body through brokenskin or by injection.C. Neither did I know that my cigarette smoke could effect the health of non-smokers.D. She said my breath and clothes smelt, and that the ends of my fingers were turning yellow.30. Which of the following sentences is correct?A. If you start to feel nervous or stressful, do not reach for a cigarette.B. Don’t choose a day that you know it is going to be stressful, such as the day of an exam.C. It is only when the disease has progressed to AIDS that a person begins to look sick.第二节完形填空(共20小题;每小题1.5分,共30分)阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。
2024-2025学年(上)初三年英语期中考试卷英语(试卷满分:150分考试时间:120分钟)考生注意:本试卷分为两大部分,第一部分为选择题,请考生将答案用2B铅笔填涂在答题卡上;第二部分为非选择题,请考生将答案用0.5毫米的黑色签字笔书写在答题卡上.第一部分(选择题)Ⅰ.听音理解(共三节,20小题,每小题1.5分,满分30分)第一节听句子听下面五个句子,从每小题所给的三幅图中选出与句子内容相符的选项.(每个句子读两遍)1. A. B. C.2. A. B. C.3. A. B. C.4. A. B. C.5. A. B. C.第二节听对话听下面七段对话,从每小题所给的A、B、C三个选项中选出正确答案。
(每段对话读两遍)听第1段对话,回答第6小题。
6. Which gift is from Gina?A. The handbag.B. The cup.C. The watch.听第2段对话,回答第7小题.7. How will they go to the Forest Park?A. By car.B. By bus.C. By taxi.听第3段对话,回答第8小题.8. What does the boy most probably want to be?A. A teacher.B. An inventor.C. A doctor.听第4段对话,回答第9小题.9. How many members are there in the girl’s family?A. 24.B. 26.C. 28.听第5段对话,回答第10、11小题.10. Where did Grandpa Li work in 2000?A. In the city center.B. In a steel factory.C. In a post office.11. What does he often do in his free time now?A. He plays chess.B. He goes fishing.C. He takes a walk.听第6段对话,回答第12、13小题.12. What day is it today?A. Friday.B. Saturday.C. Sunday.13. Where will the woman go?A. To the hospital.B. To her office.C. To the restaurant.听第7段对话,回答第14、15 小题.14. What time did Bob get home last night?A. At 9:30 p. m.B. At 9:40 p. m.C. At 10:10 p. m.15. What is Bob going to do this afternoon?A. Wear unusual clothes.B. Do a part-time job.C. Go skating.第三节听短文根据你所听到的短文内容,完成表格,每空填一词。
矿产资源开发利用方案编写内容要求及审查大纲
矿产资源开发利用方案编写内容要求及《矿产资源开发利用方案》审查大纲一、概述
㈠矿区位置、隶属关系和企业性质。
如为改扩建矿山, 应说明矿山现状、
特点及存在的主要问题。
㈡编制依据
(1简述项目前期工作进展情况及与有关方面对项目的意向性协议情况。
(2 列出开发利用方案编制所依据的主要基础性资料的名称。
如经储量管理部门认定的矿区地质勘探报告、选矿试验报告、加工利用试验报告、工程地质初评资料、矿区水文资料和供水资料等。
对改、扩建矿山应有生产实际资料, 如矿山总平面现状图、矿床开拓系统图、采场现状图和主要采选设备清单等。
二、矿产品需求现状和预测
㈠该矿产在国内需求情况和市场供应情况
1、矿产品现状及加工利用趋向。
2、国内近、远期的需求量及主要销向预测。
㈡产品价格分析
1、国内矿产品价格现状。
2、矿产品价格稳定性及变化趋势。
三、矿产资源概况
㈠矿区总体概况
1、矿区总体规划情况。
2、矿区矿产资源概况。
3、该设计与矿区总体开发的关系。
㈡该设计项目的资源概况
1、矿床地质及构造特征。
2、矿床开采技术条件及水文地质条件。
矿产资源开发利用方案编写内容要求及审查大纲
矿产资源开发利用方案编写内容要求及《矿产资源开发利用方案》审查大纲一、概述
㈠矿区位置、隶属关系和企业性质。
如为改扩建矿山, 应说明矿山现状、
特点及存在的主要问题。
㈡编制依据
(1简述项目前期工作进展情况及与有关方面对项目的意向性协议情况。
(2 列出开发利用方案编制所依据的主要基础性资料的名称。
如经储量管理部门认定的矿区地质勘探报告、选矿试验报告、加工利用试验报告、工程地质初评资料、矿区水文资料和供水资料等。
对改、扩建矿山应有生产实际资料, 如矿山总平面现状图、矿床开拓系统图、采场现状图和主要采选设备清单等。
二、矿产品需求现状和预测
㈠该矿产在国内需求情况和市场供应情况
1、矿产品现状及加工利用趋向。
2、国内近、远期的需求量及主要销向预测。
㈡产品价格分析
1、国内矿产品价格现状。
2、矿产品价格稳定性及变化趋势。
三、矿产资源概况
㈠矿区总体概况
1、矿区总体规划情况。
2、矿区矿产资源概况。
3、该设计与矿区总体开发的关系。
㈡该设计项目的资源概况
1、矿床地质及构造特征。
2、矿床开采技术条件及水文地质条件。
试卷第1页,共11页绝密★启用前2015-2016学年福建福鼎第一中学片区联盟八年级上学期期中英语试卷(带解析)试卷副标题考试范围:xxx ;考试时间:105分钟;命题人:xxx学校:___________姓名:___________班级:___________考号:___________注意事项.1.答题前填写好自己的姓名、班级、考号等信息 2.请将答案正确填写在答题卡上第I 卷(选择题)一、单项选择(题型注释)请从Ⅱ栏中选出Ⅰ栏中各句的应答语。
Ⅰ Ⅱ1、What are you going to be when you grow up? A. Two days.2、Would you mind not smoking here? B. No, you don’t have to.3、When shall we meet? C. I’m sorry. I won’t do it again.4、How long have you been like this? D. A doctor.5、Must we leave now? E. Let’s make it six.6、The summer holiday is coming. We’re going to have ______________ holiday.A. a two-monthB. a two-monthsC. two-months7、— My mother is ill in bed.— ____ I hope she will be all right soon.试卷第2页,共11页A. It’s nothing.B. Nothing.C. I’m sorry to hear that.8、____ up late at night is bad for your health. A. Stay B. Staying C. stays9、I am sorry for ______ I said. A. how B. who C. what10、—Maria likes football. Do you often see her _______ after school? —Yes, I do. A. play football B. played football C. plays football11、 —There _______ a football match this evening. —Exciting news. A. will have B. is going to be C. is going to have12、 —Excuse me, can you give me a _______? —Sure.A .handB .helpC .ballD .save13、---Would you mind ______ the window, please? It’s too hot. ---Not at all.A. openingB. to openC. closing14、You _____ __ wash your hands before meals. It is good for your health. A. must B. can C. have to15、You’d better _______ too much meat. You are much too fat. A. not eat B. don’t eat C. not to eat试卷第3页,共11页16、We should take care ________ ourselves. A. to B. for C. of17、—What’s wrong with you? —Don’t worry. It’s ________. A. nothing serious B. serious nothing C. serious something18、—When and where shall we meet tomorrow? —Let’s _______ it 3:00 p. m. at my home. A. do B. make C. meet19、— ____ wrong with him? — He ____ a backache.A. How’s; haveB. What’s; haveC. What’s; has20、— May I ask you some questions? — ______________A. Yes, he may.B. Sure, go ahead.C. Of course not.二、完形填空(题型注释)完形填空。
福建省厦门第一中学2015-2016学年度第一学期高二英语期中考试第I卷命题教师洪丽慧卢婉丽审核教师康美华2015.11第一部分听力(共两节,满分30分)第一节听下面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. Who is the man looking for?A. His brother.B. His teacher.C. His classmate.2. What is difficult for the speakers?A. Finding the professor’s office.B. Asking the professor for help.C. Solving the problem on their own.3. Why can’t Henry go to the game with the woman?A. He is sick.B.H e is going out with someone else.C. He has to finish a paper.4. What will the speakers do next?A. Keep waiting for the bus.B. Take Bus No.10.C. Take a taxi.5. What does the woman mean?A. She will definitely come to the barbecue.B. She will have to miss the barbecue.C. She thinks the man is joking.第二节听下面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,你将有时间阅读各个小题,每小题5秒钟;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。
听第6段材料,回答第6、7题。
6. Why is the woman making the purchase?A. For an interview.B. For a wedding.C. For a conference.7. What does the woman think of the suit?A. It’s a real bargain.B. It makes her look young.C. The price is still high.听第7段材料,回答第8至10题。
8. What will the woman do first on Saturday?A. Attend a presentation.B. Go to a basketball game.C. Have a lunch meeting.9. Who is Larry?A. The woman’s son.B. A client from Malaysia.C. The woman’s co-worker.10. How does the man sound in the end?A. Annoyed.B. Satisfied.C. Surprised.听第8段材料,回答第11至13题。
11. How will the woman travel to New York?A. By train.B. By car.C. By bus.12. What do Laura and the woman both like?A. Traveling.B.Music.C. Sports.13. What do we know about Laura?A. She will go camping this Saturday.B. She was the woman’s classmate.C. She has just moved to a new place.听第9段材料,回答第14至17题。
14. What does the woman do for a living?A. She owns a hotel.B. She is a travel agent.C. She works for a website.15. What is the disadvantage of beach resorts hotels?A. They don’t offer good food.B. The price is too high.C. They’re hard to find.16. Why did the woman make a complaint about the room in Canada?A. The bed was a mess.B. The kitchen was very dirty.C. The bathroom was too small.17. When did the hotel in Canada give the woman her money back?A. After she stayed there for one night.B. Right when she asked for it.C. After she called the police.听第10段材料,回答第18至20题。
18. What do we know about Golden Gate Park?A. It is one and a half miles wide.B. It is far from the ocean.C. It is open during winter.19. What can be found on the eastern side of the park?A. A parking lot.B. A museum.C. A tea garden.20. What does the speaker suggest doing in the Botanical Gardens?A. Taking a nap.B. Riding a bike.C. Having a picnic.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。
AIt’s happened to everyone. You run up to someone, thinking it’s your friend, only to realize that the person is a stranger.But there’s something about the curve of their nose or the shape of their eyes that looks strangely familiar. It’s as if your friend had a twin.The Germans invented a word for this phenomenon, “doppelganger”. Literally, it means “double walker”, and it’s come to mean anyone who looks very similar to another person. Doppelgangers pop up in literature and movies, and even in celebrity culture. There are countless Web pages about how celebrities such as US actress Zooey Deschanel and singer KatyPerry look alike.But can you really find a person who looks the same as you? That’s an ongoing debate in the scientific community.After all, humans have a limited number of genes that control how our faces and bodies look. “There is only so much genetic diversity to go around,” the US’ Cornell University professor Michael Sheehan told Live Science. He compared genes to cards in a deck. If the deck gets shuffled enough times, some cards will appear again and again.But forensic scientist Daniele Podini from George Washington University, US is not convinced true doppelgangers exist. Nothing is impossible, Podini admits, but he told the website ScienceLine that most doppelgangers are the result of perception, the way each individual sees the world. We all see faces differently. You might see two people as doppelgangers, but for someone else, small differences between the two faces might be much more obvious. Each of us has a different ability to remember faces and their details. There’s even a small group of people who cannot tell between faces at all. They suffer from prosopagnosia, or “face blindness”. They cannot even recognize the faces of their own parents or friends.For the people who are very sensitive to differences between faces, the differences can seem never-ending. A single study found 4,000 pieces of DNA that shape our faces, and more have yet to be discovered.Your lifestyle choices can also change your looks. Those choices can be as simple as a haircut, or as serious as bad eating habits. Even identical twins can start to look different, depending on how they live their lives. In other words, your doppelganger may be somewhere in the world, but it’s far more likely that your genes and your decisions have made you one of a kind.21. Which of the following statements would Michael Sheehan agree with?A. People’s perception is similar to each other.B. Genetic diversity is limited, resulting in similar faces.C. Genes are like cards in the way that you never know what you will get.D. It is not possible that there is another person who looks similar to us.22. What does the underlined sentence imply?A. Identical twins are likely to lead different life styles.B. The lifestyle we choose has little to do with our looks.C. Identical twins may not look alike due to different genes.D. Our appearance is in some way related to the way we live.23. The passage is likely to appear in _______ .A. a finance reportB. a newspaper advertisementC. a biological experimentD. a science magazineBJob sharing refers to the situation in which two people divide the responsibility of one full-time job. The two people willingly act as part-time workers, enough hours between them to fulfill the duties of a full-time worker. If they each work half the job, for example, they each receive 50 per cent of the job's wages, its holidays and its other benefits.Job sharing differs from conventional (常规的) part-time work in that it occurs mainly in the more highly skilled and professional areas, which require higher levels of responsibility and employee commitment.Job sharing should not be confused with the term work sharing, which refers to increasing the number of jobs by reducing the number of hours of each existing job, thus offering more positions to the growing number of unemployed people. Job sharing, by contrast, is not designed to address unemployment problems; its focus, rather, is to provide well-paid work for skilled workers and professionals who want more free time for other activities.As would be expected, most job sharers are women. A survey carried out in 1988 by Britain's Equal Opportunities Commission showed that 78 percent of sharers were female, the majority of whom were between 20 and 40 years of age. Subsequent studies have come up with similar results. Many of these women were re-entering the job market after having had children, but they chose not to seek part-time work because it would have meant lower status. Job sharing also offered an acceptable shift back into full-time work after a long absence.The necessity of close cooperation when sharing a job with another person makes the actual work quite different from conventional one-position jobs. However, to ensure a greater chance that the partnership will succeed, each person needs to know the strengths, weaknesses and preferences of his or her partner before applying for a position. Moreover, there must be a fair division of both routine tasks and interesting ones. In sum, for a position to be job-shared well, the two individualsmust be well matched and must treat each other as equals.24. In what way is work sharing different from job sharing?A. Work sharing is aimed at creating more jobs.B. Work sharing provides a more satisfactory salary.C. Work sharing requires more working hours.D. Work sharing depends on the employer's decision.25. According to Paragraph 4, young mothers preferred job sharing to conventional part-time workmainly because _____.A. they had to take care of both work and familyB. they had difficulty finding full-time jobsC. they were over ideal working agesD. they sought higher social status26. In job sharing the partners should _____.A. enjoy equal social statusB. know each other very wellC. keep in touch with each otherD. have similar work experience27. The main purpose of the passage is to _____.A. recommend job sharing to womenB. discuss how to provide more jobsC. describe job sharing in generalD. compare job sharing with work sharingCYou're in a department store and you see a couple of attractive young women looking at a sweater. You listen to their conversation:"I can't believe it-----a Lorenzo Bertolla! They are almost impossible to find. Isn't it beautiful? And it's a lot cheaper than the one Sara bought in Rome."They leave and you go over to see this incredible sweater. It's nice and the price is right. You've never heard of Lorenzo Bertolla, but those girls looked really stylish. They must know. So, you buy it. You never realize that those young women are employees of an advertising agency. They are actually paid to go from store to store, talking loudly about Lorenzo Bertolla clothes.Every day we notice what people are wearing, driving and eating. If the person looks cool, the product seems cool, too. This is the secret of undercover marketing. Companies from Ford toNike are starting to use it.Undercover marketing is important because it reaches people that don't pay attention to traditional advertising. This is particularly true of the MTV generation ---- consumers between the age of 18 and 34. It is a golden group. They have a lot of money to spend, but they don't trust ads.So advertising agencies hire young actors to "perform" in bars and other places where young adults go. Some people might call this practice deceptive (骗人的), but marketing executive Jonathan Ressler calls it creative. "Look at traditional advertising. Its effectiveness is decreasing." However, one might ask what exactly is "real" of young women pretending to be enthusiastic about a sweater? Advertising executives would say it's no less real than an ad. The difference is that you know an ad is trying to persuade you to buy something. You don' t know when a conversation you overhear is just a performance.28. The two attractive young women were talking so that they could _____.A. get the sweater at a lower priceB. decide on buying the sweaterC. be admired by other shoppersD. be heard by people around29. Lorenzo Bertolla is _____.A. a very popular male singerB. an advertising agencyC. the brand name of a sweaterD. a clothing company in Rome30. Which of the following can be inferred from the passage?A. Traditional advertising will soon disappear in the market.B. The MTV generation tend to be more easily influenced by ads.C. Undercover marketing will surely be banned soon by the government.D. Traditional advertising is becoming less effective because it's too direct.31. Which of the following would be the best title for the text?A. Two Attractive ShoppersB. Lorenzo Bertolla SweatersC. Undercover MarketingD. Ways of AdvertisingDWe've all seen them: perfectly toned famous people on late-night television telling us that we too can develop rock-hard abdominal (腹部的) muscles. It's easy! Just pay $149.99 for the Torso Track or $149.75 for the Ad-Doer and watch those unwanted inches leave your waist. Americansspend tens of millions of dollars on various products to firm up their fat around the waist.And did they work? Not necessarily. Independent studies have concluded that most of these products ---- no matter who approved them or how expensive they are ---- shape your midsection no better than old-fashioned stomach crunches(仰卧起坐). Some can even cause injury ---- like the $518.99 Body Shaper----Q8SP, which left electrical burns on some researchers at the University of Wisconsin, La Crosse. Others, like the popular Ab-Doer, typically burn less energy than a gentle walk, according to a study to be published in September by the American Council on Exercise.The fact is that many Americans don't have the biological makeup to develop an obvious abdominal muscles. They are either unable to get the necessary muscle mass or they can't lose enough fat to make a difference. Even if the underlying muscles are well developed, all it takes to hide it is one-sixteenth of an inch of fat. That's enough to exclude most healthy women as well as plenty of guys who do crunches every day.So what works best? In its new study, the exercise experts researched on the results of the popular Ab-Doer. A lengthy TV advertisement promises that just 10 minutes a day performing such movements as "Body Boogies" and "Good Mornings" will "help form those muscles the fun and easy way without diets." Steven Loy, professor at California State University, Northridge, tested the promise by measuring the electrical activity produced by the abdominal muscles during three Ab-Doer movements. He and his colleagues then compared the results with those produced during traditional exercises. They determined that the muscles were no more active, and in some cases less so, when exercisers were using the Ab-Doer.Taking a broader approach, researchers at San Diego State University compared 13 abdominal exercises for their ability to develop the central abdominal muscles. They concluded, in a report published in May, that the most effective exercises kept turning the body and worked the muscles the entire time. Among the winners: the bicycle movements ---- so called because it looks as if you are riding a bike while lying flat on the floor ----and exercises performed on the "Captain's Chair", a product typically found in gyms that helps hold the body in the air while you raise your legs up toward your chest. Researchers suggested that a varied routine of the different exercises could deliver the best results.32. Which of the following is the most effective in building abdominal muscles?A.Torso Track. B.Captain's Chair. C.Ab-Doer. D.Body Shaper-Q8SP. 33. According to the author, it's difficult for many Americans to get visible firm abdominalmuscles mainly because __________.A.how big their muscles will be is determined by birthB.they change their exercise routine regularlyC.injuries interrupt their exercise frequentlyD.they do not put in enough efforts34. The author convinces the readers by ________.A.describing successful casesB.presenting findings of researchesC.offering comments directly from exercisersD.comparing advertisements of products35. What's the main purpose of this passage?A.To sponsor rich healthy lifestyle based on advanced product research.B.To indicate that diet and exercises are necessary factors for a fit midsection.C.To promote proven exercise techniques and to advise against false advertisements.D.To research and develop in order to create the perfect stomach and exercise machine.第二节(共5小题,每小题2分,满分10分)根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项。