2020届黑龙江省佳木斯市第一中学高三下学期第五次调研考试英语试题
第一部分（共20小题每，小题1.5分，满分30分）
1．Don’t throw away the old books．Give them to ____needs them．
A．whoever B．anyone C．who D．whomever
2．The first snow didn’t fall until February in our province this year, ________ was unexpected.
A．it B．which C．that D．what
3．The world’s attention ________ China’s Belt and Road Initiative，as it has great influence on the world’s economy.
A．is to fix on B．was fixed on
C．has fixed on D．is being fixed on
4．More wild tigers have been seen in the forest around this area, ____ there used to be very few. A．when B．where C．what D．which
5．_____a reception to celebrate the 68th anniversary of the founding of the People's Republic of China，vice premier Liu attached importance to mutually beneficial cooperation between USA and China．A．Addressing B．Addressed
C．Being addressed D．To address
6．It is not surprising the new course on electronic games has attracted many students.
A．what B．which
C．that D．where
7．The boy stood his head down, listening to his mother scolding him for breaking the windows. A．for B．of C．with D．around
8．The popularity of government posts has dropped in recent years, though the civil service jobs are still favored by the Chinese as they offer a _______ stable career.
A．relatively B．regularly
C．roughly D．rigidly
9．Most of the money for the reconstruction of the quake-stricken town has been allocated by the government, the rest ______ from the coming charity concerts.
A．to be collected B．having been collected
C．being collected D．to have been collected
10．She doesn’t speak our language, _____ she seems to understand what we say．
A．for B．and C．yet D．or
11．E-shopping, when properly _____ ,can save us a lot of time and energy.
A．done B．doing C．to do D．is done
12．The doctor’s treatmen t has worked marvels: the patient has completely．
A．repeated B．returned C．recovered D．reminded
13．Oh！I can feel something _____ up my leg！It must be an insect．
A．to climb B．climbing
C．climb D．climbed
14．You can use a large plastics bottle, _________ cut off, as a plot to grow flowers in.
A．with its top B．the top of which
C．whose top D．its top is
15．In the virtual laboratory environment created in the VR app, students can ________ a particular experiment before doing them in a real lab.
A．reveal B．reserve
C．preview D．provide
16．——Will you require anything else?
——Yes, I like a whisky.
A．will B．shall C．should D．might
17．AlphaGo’s beating Go grandmaster Lee Sedol 4-1 has ________ an international debate about whether robots will completely take the place of humans.
A．give off B．work out
C．set off D．put out
18．The hall of the school can one thousand people.
A．sit B．seat C．be sat D．be seated
19．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．constant
20．If you were to have a few minutes free, I______ the opportunity to ask you one more question. A．would appreciate B．would have appreciated
C．were to appreciate D．had appreciated
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。
21．（6分）AD．1: April Fool’s Party
On Friday, April 1, Inner Affair goes back to the days of funk! Classes Tunes from the 1970s and 1980s by DJS Den & Sion.9p.m till late.
Tickets: Free entrance for those in costume, otherwise 50 yuan(US$6)
Time/date: 9 a.m, April ,1
Place: Inner Affair, 1/F, Qiankun Dasha, 6 Sanlitun Xiliujie, Chaoyang District
Tel: (412)396-6321 Fax:(412)396-6890
AD．2:Sailing Club；
Our Young Sailor’s Course leads to the Stage 1 Sailing qualification．Y ou’11 learn how to sail safely and the course also covers sailing theory and first aid．Have fun with other course member afterwards in the clubroom．There are 10 weekly two—hour lessons(Tuesdays 6 pm～8 pm).
Opening Hours：Tuesdays：6：00 pm一8。00 pm
Phone：(412)396—6644 Fax：(412)396—6644
AD．3:The “worst” party
Organized by ozone productions, the party is set to be “the worst ever”, with the lamest music from the 1960s,1970s and 1980s. Special prizes will be awarded to the worst dressed or for bad fashion sense.
Tickets :Free entrance
Time/date: 9 a.m, April ,1
Place: Pula Pula, Tianze Lu, Oriental Seven Colors Plaza, Chaoyang District
Tel:(412) 396-6785 Fax: (412)396--6243
AD．4:Riding School：．
You can start horse-riding at any age．Choose private or group lessons any weekday be 9 am and 8：30 pm(3：30 pm on Saturdays)．There are 10 kilometres of tracks and paths for leisurely rides across farmland and open country．You will need a riding hat．
Opening Hours：Monday through Friday：9：00 am一8。30 pm
Phone：(412)396—6754 Fax：(412)396—6752
AD．5:Diving Centre：
Our experienced instructors offer one-month courses in deep-sea diving for beginners．There are two evening lessons a week，in which you learn to breathe underwater and use the equipment safely．You only need a swimming costume and towel. Reduced rates for couples.
Opening Hours：Monday and Friday：6：30pm一8：30pm
Phone：(412)396—6312 Fax：(412)396—6706
1、Which of the following is NOT true according to AD．I and AD．3?
A．The two parties will be held in the same day.
B．The two parties will be held at the same time.
C．Some old music will be played at the parties.
D．The entrance fees of the two parties will not be charged.
2、If you want to experience a new activity in the countryside in the mornings，you may fax
A．(412)396--6312 B．(412)396--6706
C．(412)396--6752 D．(412)396—6876
3、You want to do an activity one evening a week and get a certificate in the end，you can go to A．AD．4:Riding School：B．AD．5: Diving center
C．AD．2:Sailing Club D．AD．3:The “worst” party
22．（8分）The boy sat on his chair, with his hand above the keyboard. He thought about what to write.
He recalled that the competition deadline was merely a week away. But he still had not even started on his piece. He looked at the brochure again. “ WRITING COMPETITION!” the title read. His mom had encouraged him to enter the writing competition, and now he was taking it on as his personal task for the holidays.
As the boy reflected on his previous writing efforts, he realized how hopeless his task of winning was. Every story he ever wrote was based on other stories. He had little imagination, and unfortunately, imagination was the key to writing.
Suddenly, he had a brainwave. This time, he came up with an original and imaginative story.
The words shot towards him like a storm of leaves. Words were coming easily, flowing through him, faster than he could type. He typed faster than he ever had before. He continued to type, amazed at how easy writing this story was. The boy could not stop writing. He looked at the word count and saw the number “ 248 ” staring right back at him. He was not even halfway yet.
Then he heard the call of his mother saying time for bed. He continued writing the piece, ignoring her. He had to make up for the time he had lost thinking about a topic to write.
Finally, he finished. The word count now read “498”.
“Perfect,” he thought, “just under the word limit.” He knew this was the story that would win.He went onto Google and searched for the competition. He found the page but there was no “Enter” but ton.
1、What caused the boy to take part in the writing competition?
A．A new computer. B．The prize money.
C．His own interest. D．His mom’s advice.
2、How did the boy finish his earlier writing?
A．His mom helped him. B．He copied others’ ideas.
C．His friends assisted him. D．He used his imagination.
3、Why did the boy delay his writing?
A．Because he was terribly lazy. B．Because he didn’t know what to write.
C．Because he wasn’t confident.D．Because he read too many stories.
4、Which might be the maximum word limit for each entry?
A．100. B．250.
C．500. D．1000.
23．（8分）What can a 4-year-old do to end hunger? Start a hunger-relief organization. When most kids were just entering preschool, Joshua Williams discovered that people right in his neighborhood went without food. This surprised the young Miami resident, so with the support of his family, Williams founded Joshua’s Heart Foundation, a non-profit organization devoted to the fight against global hunger through
the community service of young people.
Now a high school senior, Williams is a hero for the one-in-six Americans who face hunger. Joshua’s Heart Foundation includes more than 12,500 teens and 4,000 adults among the volunteers Williams inspires. In addition to providing items of basic necessity to those in need, Wi lliams’ foundation also educates communities about ways to fight hunger. To date, Joshua’s Heart Foundation has distributed more than
1,600,000 pounds of food and assisted over 400,000 individuals, along with teaching some food recipients how to prepare healthy meals.
In addition to being an advocate for the needy, Williams is a popular speaker. He travels internationally to create awareness about hunger. These leadership opportunities have allowed Williams to partner with well- known brands, including Disney, Walgreens and Unilever.
In 2013, he appeared in The Way Kids See It, a documentary short film by Unilever that captures ideas and inspiration for creating a brighter future from children all over the world. A year later, he participated in two service programs: a year-long campaign with Milk Life about donating milk to food banks, and Disney’s Make Your Mark campaign featuring kids making a difference.
Williams keeps a balance between high school life and his passion for helping others. He continues to seek ways to inspire young people to make a difference to others’ lives. After high school graduation, he hopes to study business and computer science at Stanford and continue to run Joshua’s Heart Foundation. 1、What inspired Joshua to found Joshua’s Heart Foundation?
A．Some teens’ community service.
B．Some neighbors’ lack of food.
C．Global fight against hunger.
D．His family’s support.
2、Which is a contribution made by Joshua’s Heart Foundation?
A．Donating milk to food banks.
B．Feeding more than 12,500 teens.
C．Providing people with healthy recipes.
D．Giving out over 400,000 pounds of food.
3、Why did Unilever produce The Way Kids See It?
A．To show ideas from high school students.
B．To help kids understand the future world.
C．To inspire kids to prepare for their future.
D．To contribute to children’s promising future.
4、Which of the following words can best describe Joshua?
A．Warm-hearted and determined.
B．Independent and considerate.
C．Optimistic and humorous.
D．Easy-going and modest.
24．（8分）Cigarette butts (烟蒂) are everywhere - clogging up our streets, littering our beaches - and for decades they’ve been thought of as “unrecyclable”. But a New Jersey-based company, called TerraCycle, has taken on the challenge, and has come up with a way to recycle millions of cigarette butts and turn them into industrial plastic products. Its aim is to take items that people normally consider impossible to recycle, and then use science to figure out a way to do just that.
Despite the increase in anti-smoking ads and messaging over the past 20 years, global sales of cigarettes increased by 8 percent, and a whole lot of those cigarette butts are ending up as trash, which can surely pollute the surrounding environment.
So how do you go about turning all those poisonous ends into something useful? TerraCycle does this by first breaking them down into separate parts. They mix the remaining materials, such as the tobacco and the paper, with other kinds of rubbish, and use it on non-agricultural land, such as golf courses. The filters (过滤嘴) are a little harder. To recycle these, TerraCycle first makes them clean and cuts them into small pieces, and then combines them with other recycled materials, making them into liquid for industrial plastic products.
They now have more than 7,000 cig arette recycling bins in nine countries around the world. They’re also expanding their recycling offerings to the rest of the 80 percent of household waste that currently can’t be recycled, such as chocolate packaging, pens, and mobile phones. The goal is to use the latest research to find a way to stop so much waste ending up in. landfill (垃圾填埋), and then get companies to fund the process. And so far, it’s working.
“We haven’t found anything that we can’t recycle,” communications director of Terra Cycle, Albe Zakes, said. “But with the amount and variety of packaging and litter in the world, we are always looking for new waste streams to address.”
1、Which of the following is true according to the text?
A．It is impossible for the filters to be recycled.
B．Terra Cycle has achieved a lot in recycling what used to be considered “unrecyclable”.
C．Anti-smoking ads and messaging have led to people’s quitting smoking.
D．Mobile phones can’t be recycled by means of the latest research.
2、What can we learn about the approach to recycling cigarette butts?
A．Unbelievable and costly.
B．Excellent but hard to carry out.
C．Useless in dealing with other household waste.
D．Practical and environmentally friendly
3、The underlined word ‘“trash” in Paragraph 2 probably means .
A．mineral B．fertilizer
C．rubbish D．poison
4、In Albe Zakes’s opinio n, .
A．TerraCycle has successfully recycled everything.
B．they still have a long way to go.
C．it will be too difficult for them to find new ways.
D．the public should be aware of the environmental pollution.
25．（10分）Christmas is a time for eating great food, giving and receiving presents, and most importantly spending time with your family watching some classic Christmas movies.
The Grinch (2000)
This is a Christmas must-watch and one of Jim Carrey's best performances. It was also originally a nursery tale book written by Dr Seuss. It's the story of a green monster who wants to ruin Christmas but who in the end discovers the power of love and generosity. I promise it's a great film with plenty of laughs along the way.
Love Actually (2003)
While this is not a personal favourite of mine, people in the UK absolutely love this film. It has many featuring actors and actresses. It might be a little difficult to follow as there are complex plots, so I recommend watching a translated version or enabling subtitles (字幕) in your native language. However, the heart-warming elements of the film make it worth watching.
Home Alone (1990)
This amusing masterwork is one of my favourite films of all time. It tells the story of a boy, Kevin, who is left alone in his house when his large family forgets to take him on vacation with them. While the families are away, burglars try to rob the house and Kevin must protect his home by setting traps. The trips, falls and traps will have you laughing out loud as you watch a 10-year-old boy beat two grown men.
Miracle on 34th Street (1994)
You can't have Christmas in an English-speaking country without watching this movie. It's not funny like Home Alone or The Grinch, but it is incredibly touching. It's about a man who claims to be Santa, but nobody believes him except a lawyer and a little girl. The story-line may seem a little childish but you can enjoy it at any age.
1、Which film is adapted from a fairy tale?
A．The Grinch.
B．Home Alone.
C．Love Actually.
D．Miracle on 34th Street.
2、What is Home Alone mainly about?
A．An unsuccessful family vacation.
B．A boy protecting home by himself.
C．A terrible suffering to a little boy.
D．A 10-year-old boy's practical jokes.
3、Why is Miracle on 34th Street so popular?
A．Owing to its moving plots.
B．Because of its funny story.
C．Due to its childish storyline.
D．For its famous actors and actresses.
第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．
26．（30分）That cold January night, I was growing sick of my life in San Francisco. There I was, walking home at one in the morning after a tiring 1 at the theatre. With opening night only a week away, I was 2 learning my lines. I was having trouble 3 my part-time job at the bank and my acting at night at the same time. As I walked, I thought seriously 4 giving up both acting and San Francisco. 5
had become too much for me.
As I walked down 6 streets under tall buildings, I felt very 7 and cold. I began running, both to keep warm and to keep away from any possible robbers. Very few people were still out except a few
sad-looking homeless people under blankets.
About a block from my apartment, I heard a sound behind me. I turned 8 , half expecting to see someone with a knife or a gun. The street was empty. 9 I saw was a shining streetlight. 10 , the noise had made me nervous, so I started to run fast. Not until I reached my apartment building and unlocked the door did I realize what the noise had been. It had been my wallet falling to the sidewalk.
11 I wasn’t cold or tired anymore. I ran out of the door and back to12 I’d heard the noise.
13 I searched the sidewalk anxiously for fifteen minutes, my wallet was nowhere to be found.
Just as I was about 14 the search, I heard the garbage truck pull up to the sidewalk next to me. When a voice 15 from the inside. “Alisa Camacho?” I thought I was dreaming. How could this man know my name? The door opened, and out jumped a small red-haired man with an 16 look in his eyes. “Is
this wha t you’re looking for?” he asked,17 a small square shape.
It was nearly 3 a. m. by the time I got into bed. I 18 get much sleep that night, but I had gotten my wallet back. I 19 had gotten back some enjoyment of city life. I realized that the c ity couldn’t be a bad place 20 people were willing to help each other.
1、A．exercise B．work C．practice D．training
2、A．still B．already C．yet D．only
3、A．to deal with B．to handle with C．handling with D．dealing with
4、A．of B．about C．over D．out
5、A．City life B．Country life C．School life D．Modern life
6、A．busy B．crowded C．noisy D．empty
7、A．proud B．confident C．small D．excited
8、A．fast B．immediately C．rapidly D．quickly
9、A．All which B．All C．That D．Which
10、A．Therefore B．Still C．Consequently D．Subsequently
11、A．Suddenly B．Gradually C．Absolutely D．Exactly
12、A．which B．that C．where D．what
13、A．Even if B．Although C．As if D．As though
14、A．to give in B．giving in C．to give up D．giving up
15、A．called B．calling C．was called D．to call
16、A．amusing B．amazing C．amazed D．amused
17、A．to hold up B．holding up C．to hold on D．holding on
18、A．couldn’t B．wouldn’t C．didn’t D．shouldn’t
19、A．still B．already C．also D．certainly
20、A．as far as B．as well as C．as soon as D．as long as
第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。
27．（15分）Why is pink or purple a color for girls and blue or brown for boys?The answer depends largely 1．cultural values as well as personal experiences.
People's choice of colors is also influenced by their bodies' reactions(反应)toward them.Green is said to be the most restful color.It has the ability to reduce pain and relax people both mentally and
physically.People2．(work) in green environment have been found to have3．stomach aches. To the Egyptians, green was a color4．represented the hope and joy of spring, 5．for Muslims, it means heaven.
Red is a symbol of good luck in many cultures.In China, children 6．(give)money in a red envelope to bring good fortune in the New Year. Red can cause a person's blood pressure to rise and increase people's
appetites(食欲).Many decorators will include different shades of red in the restaurant.7．(similar), many commercial websites will have a red “Buy Now” button because red is a color that easily catches a person's eyes.
For many nations, blue is a symbol of protection and religious beliefs.Greek people often wear a blue necklace,8．(hope) to protect themselves against evils(灾祸). Blue is another calming color.9．red, blue can cause people to lose appetite.So10．you want to eat less, some suggest that eating from blue plates can help. 第四部分写作（共两节）第一节短文改错（满分10分）
28．（10分）假如英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文，文中共有10 处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加，删除或修改。
增加: 在缺词处加一个漏字符号(/\),并在其下面写出该加的词。
删除: 把多余的词用斜线(\) 划掉。
修改: 在错的词下划一横线，并在该词下面写出修改后的词。
注意：1、每处错误及其修改均仅限一词:
2、只允许修改10处，多者(从第11处起) 不计分。:
Last Saturday our class went hiking in a countryside、We meet at our school gate and set off at 8:00 am、On the way, we were singing and laughing happily while a girl suddenly fell into a deep hole、She felt so frightening and even burst into tears、One of my classmate found a long rope and we finally got him out、Fortunately , she didn’t suffer seriously injuries, but it seemed that her ankle slightly twisted、We managed to sending her to the nearest hospital、It is an experience we’ll never forget it, though we didn’t enjoy ourselves very much that day、41
第二节书面表达（满分25分）
29．（25分）假设你是李华，是某中学国际部的一名学生。你有幸做外教Chris的向导，带领他去当地一家中华老字号(China Time-honored Brand)饭店品尝中国传统美食。请你按如下提示给对方写一封邮件，告知这次行程安排。
1．饭店情况； 2. 出发时间、地点 3. 交通方式
注意：1. 词数100左右；
2. 可以适当增加细节，以使行文连贯
参考词汇：specialty特色菜
Dear Chris，
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2021届重庆市第一中学高三上学期第一次月考数学试题 一、单选题 1．设集合(){} ln 1A y y x ==-，{ B y y ==，则A B =（ ） A ．[)0,2 B ．()0,2 C ．[]0,2 D ．[)0,1 【答案】A 【解析】先分别利用对数型函数以及指数型函数求值域的方法求出集合,A B ，注意集合中的代表元素，再利用集合的交集运算求解即可. 【详解】 ∵(){} ln 1A y y x R ==-=， { [)0,2B y y ===， ∴[)0,2A B =. 故选：A. 【点睛】 本题主要考查了集合间的运算以及对数函数和指数函数.属于较易题. 2．设a ，()0,b ∈+∞，A =，B =，则A ，B 的大小关系是（ ） A ．A B < B ．A B > C ．A B ≤ D ．A B ≥ 【答案】B 【解析】根据题意计算做差可得22A B >，得到答案. 【详解】 由a ，()0,b ∈+∞，得0A = >，0B => 2 2220A B -= -=>， ∴22A B >，故A B >， 故选：B. 【点睛】 本题考查了做差法比较大小，意在考查学生的计算能力和推断能力. 3．已知直线l 是曲线2y x =的切线，则l 的方程不可能是（ ） A ．5210x y -+= B ．4210x y -+= C ．13690 x y -+=
D ．9440x y -+= 【答案】B 【解析】利用导数求出曲线2y x =的切线的斜率的取值范围，然后利用导数的几 何意义判断各选项中的直线是否为曲线2y x =的切线，由此可得出结论. 【详解】 对于函数2y x = ，定义域为[)0,+∞，则22 y '= +>， 所以，曲线2y x = 的切线l 的斜率的取值范围是()2,+∞. 对于A 选项，直线5210x y -+=的斜率为5 2 ，令522y '=+=，解得1x =，此 时3y =， 点()1,3在直线5210x y -+=上，则直线5210x y -+=与曲线2y x =相切； 对于B 选项，直线4210x y -+=的斜率为2，该直线不是曲线2y x =的切线； 对于C 选项，直线13690x y -+=的斜率为 13 26 >， 令13 2 6 y '= += ，解得9x =，此时21y =， 点()9,21在直线13690x y -+=上，所以，直线13690x y -+=与曲线2y x =相切； 对于D 选项，直线9440x y -+=的斜率为 9 24 >， 令9 2 4 y '= = ，解得4x =，此时10y =， 点()4,10在直线9440x y -+=上，所以，直线9440x y -+=与曲线2y x =相 切. 故选：B. 【点睛】 本题考查利用导数的几何意义验证函数的切线方程，考查计算能力，属于中等题. 4．中国传统扇文化有着极其深厚的底蕴．一般情况下，折扇可看作是从一个圆面中剪
秘密★启用前 【考试时间：1月15日14:40—16:40】 2020年重庆一中高2022级高一上期期末考试 数学测试试题卷 注意事项： ．答卷前，考生务必将自己的姓名、准考证号码填写在答题卡上。 ．作答时，务必将答案写在答题卡上。写在本试卷及草稿纸上无效。 ．考试结束后，将答题卡交回。 一、选择题：共12小题，每小题5分，共60分.在每小题给出的四个选项中，只有一项符合题目要求. 1.已知集合{}{},1,0,1,,21-=∈≤<-=*B N x x x A 则=B A Y ( ) .}1{ B.]2,1[- C.}1,0{ D.}2,1,0,1{- 2.已知函数2)1ln()(-++=x x x f ，在下列区间中，函数)(x f 一定有零点的是( ) A ．]1,0[ B ．]2,1[ C ．]3,2[ D ．]4,3[ 3. 计算οο105sin 15sin ?的结果是( ) .41- B.41 C. 426- D.4 26+ 4.下列函数为奇函数的是( ) .233)(x x x f += B.x x x f -+=22)( C.x x x f -+=33ln )( D.x x x f sin )(= 5.要得到函数)32sin(π -=x y 的图象，只需将函数x y sin =的图象( )
A.把各点的横坐标缩短到原来的 12倍,再向右平移6 π个单位 B.把各点的横坐标缩短到原来的12倍,再向左平移3π个单位 C.把各点的横坐标伸长到原来的2倍,再向右平移6 π个单位 D.把各点的横坐标伸长到原来的2倍,再向左平移3 π个单位 6.函数()()sin (0,0,0)2 f x A x A ω?πω?=+>><<的部分图象如图所示，则()f x 的解析式是( ) .()2sin(2)3f x x π=+ B. ()2sin(2)6 f x x π=+ C.()2sin()3f x x π=+ D ．()2sin()6 f x x π=+ 7.已知4lo g 5a =，1 2 16(log 2)b =，sin2c =，则c b a ,,的大小关系是( ) .b c a << B.c a b << C.a b c << D.c b a << 8.已知函数 ,34)(,3)2()(2+-=+-=x x x g x m x f 若对任意]4,0[1∈x ，总存在]4,1[2∈x ，使得)()(21x g x f >成立，则实数m 的取值范围是( ) .(2,2)m ∈- B. 33(,)22m ∈- C.(,2)m ∈-∞- D ．3(,)2 m ∈-+∞ 9.已知函数22lg (1)2(1)3y a x a x ??=---+??的值域为R ，则实数a 的取值范围是( ) .[2,1]- B.(2,1)- C. [2,1]-- D.(,2)[1,)-∞--+∞U 10.函数12211()tan()log ()tan()log ()4242f x x x x x π π=-----在区间1(,2)2上的图像大致为 . B. C. D.
安徽省合肥市合肥一中2020届高三英语最后一卷试题（含解析） 注意事项： 1.本试卷由四个部分组成。其中第一、二部分和第三部分的第一节为选择题。第三部分的第二节和第四部分为非选择题。共150分，共12页。 2.全部答案在答题卡上相应区域内完成，在本试卷上作答无效。选择题请使用2B铅笔填涂，非选择题请使用0.5毫米黑色签字笔作答。要求字体工整、笔迹清晰。 3.请在答题卡规定的地方填写好个人信息，并认真核对答题卡上所粘贴的条形码是否与本人的信息一致。 4.考试结束后，将本试卷和答题卡一并交回。 第一部分听力（共两节，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—小题。每段对话仅读一遍。 1. What’s the weather like in the man’s hometown? A. It changes very quickly. B. It is very windy and cold. C. It is very hot. 2. What do we know about the man? A. He is a reporter. B. He is a fisherman. C. He is a sportsman. 3. How much will the man pay? A. $15. B. $28. C. $30. 4. Where does the man want to go? A. To a railway station. B. To a post office. C. To the seaside. 5. How did the woman probably feel in the morning? A. Dizzy. B. Tired. C. Well.
秘密★启用前【考试时间：1月20日15:00—17:00】 2020年重庆一中高2020级高三上期期末考试 英语测试试题卷 英语试题卷共8页。满分150分。考试时间120分钟。 注意事项： 1. 答题前，务必将自己的姓名、准考证号填写在答题卡规定的位置上。 2. 答选择题时，必须使用2B铅笔将答题卡上对应题目的答案标号涂黑，如需改动，用 橡皮擦擦干净后，再选涂其他答案标号。 3. 答非选择题时，必须使用0.5毫米黑色签字笔，将答案书写在答题卡规定的位置上。 4. 所有题目必须在答题卡上作答，在试题卷上答题无效。 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. Why does the woman want the sound turned down? A. She has a headache. B. She doesn’t like the song. C. She doesn’t want the neighbors to hear. 2. What will the woman probably do next? A. Go to the man’s place. B. Call the Midland Hotel. C. Visit the concert hall. 3. Where does the conversation take place? A. In the post office. B. In the house. C. In a store. 4. How far away now is the city according to the man? A. Five miles. B. Ten miles. C. Twenty miles. 5. What is the probable relationship between the speakers?
秘密★启用前 2016年重庆一中高2019级高一上期半期考试 数 学 试 题 卷2016.12 数学试题共4页，满分150分，考试时间120分钟。 注意事项： 1.答题前，务必将自己的姓名、准考证号填写在答题卡规定的位置上。 2.答选择题时，必须使用2B 铅笔将答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦擦干净后，再选涂其他答案标号。 3.答非选择题时，必须使用0.5毫米黑色签字笔，将答案书写在答题卡规定的位置上。 4.所有题目必须在答题卡上作答，在试题卷上答题无效。 第I 卷（选择题，共60分） 一、选择题：(本大题共12个小题，每小题5分，共60分)在每小题给出的四个选项中，只有一项是符合题目要求的；各题答案必须答在答题卡上相应的位置. 1. 设全集{}4,3,2,1=U ，集合{}{}4,2,4,3,1==B A ，则()U C A B ?=（ ） A ．{}2 B ．{}4,2 C ．{}4,2,1 D ．φ 2. 函数()()1011≠>-=-a a a x f x 且的图象必经过定点（ ） A ．()1,0- B ．()1,1- C ．()0,1- D ．()0,1 3. 在0到π2范围内，与角3 4π -终边相同的角是（ ） A ．6π B ．3π C ．32π D ．3 4π 4. 函数()()2lg 231 ++-= x x x f 的定义域是（ ） A ．??? ??-232， B ．??? ??-232， C ．()∞+-，2 D ．?? ? ??∞+，23 5. 已知3.0log 24.053 .01 .2===c b a ，，，则（ ） A ．b a c << B ．c b a << C ．a b c << D ．b c a << 6. 函数()x x x f 1 ln -=的零点所在的大致区间是（ ） A ．?? ? ??1,1e B ．()e ,1 C ．( ) 2 ,e e D ．( ) 3 2,e e
2018年安徽省合肥一中高考数学最后一卷（理科） 一、选择题：本大题共12个小题，每小题5分，共60分.在每小题给出的四个选项中，只有一项是符合题目要求的. 1. 已知集合A={x||x?3|<2x}，B={x|?4
Lesson 10 读写任务(话题：春节) 例题： 【写作内容】 1. 用约30个单词概述上述信息的主要内容； 2. 结合上述信息，简要分析目前人们回家过春节的意愿变化的原因；（不少于两点） 3. 结合自己的例子，谈谈人们是否应该回家过春节？说明原因。 【写作要求】 1. 写作过程中不能直接引用原文语句； 2. 文中不能出现真实姓名和学校名称； 3. 不必写标题。 【评分标准】 内容完整，语言规范，语篇连贯，词数适当。 _______________________________________________________________________________ _______________________________________________________________________________ ____________________________________________________ _______________________________________________________________________________ ___________________________
第一步：审题 1. 认真阅读要求，充分理解材料信息。 2. 体裁 3. 人称 4. 时态 5. 要点 ●体裁：议论文 ●人称：三人称，一人称 ●时态：一现 ●要点：3个 第二步：分段 Para.1 要点一：用约30个词概括上文的主要内容 Para.2 要点二：分析目前人们回家过春节的意愿变化的原因 Para.3 要点三：结合自己的例子，谈谈人们是否应该回家过春节并说明原因。 第三步：概括文章，提炼要点 ● a time for reunion ●making money instead of going home ●more choice s The Spring Festival is a traditional time for family members to celebrate together. But in modern society, people have more choices like travelling and even making money besides going home. 第四步：要点展开 Part 2：春节意愿变化的理由 ●the Internet ●high living expenses and pressure
重庆市第一中学高中生物必修一测试题附答案 一、选择题 1．下列物质合成或运输的过程中不需要消耗ATP的是（） A．胰岛素的合成过程B．分泌蛋白的分泌过程 C．人成熟的红细胞吸收葡萄糖的过程D．根毛细胞吸收K+的过程 2．在紫色洋葱鳞片叶外表皮细胞的失水和吸水实验中，显微镜下可依次观察到甲、乙、丙三种细胞状态。下列叙述正确的是 A．由观察甲到观察乙须将5倍目镜更换为10倍目镜 B．甲、乙、丙可在同一个细胞内依次发生 C．与甲相比，乙所示细胞的细胞液浓度较低 D．由乙转变为丙的过程中，没有水分子从胞内扩散到胞外 3．新生儿小肠上皮细胞通过消耗ATP，可以直接吸取母乳中的抗体和半乳糖。这两种物质运输的方式分别与下列哪两个例子中的运输方式相同 ①浆细胞分泌抗体蛋白②变形虫吞食草覆虫③碘进入甲状腺滤泡上皮细胞④人体内红细胞吸收葡萄糖 A．①和③B．②和③C．①和④D．②和④ 4．为测量植物细胞膜的通透性，以胡萝卜(液泡中含有花青素)为材料进行下列实验：将不同切片放在不同温度的蒸馏水中处理1 min取出，再分别放在清水中浸泡1 h而获得不同的切片浸出物溶液，通过测量这些溶液的吸光度计算浸出物溶液的花青素含量，结果如图所示。对这个实验方案的叙述，正确的是（） A．缺乏对照组实验 B．缺乏对等量原则的描述 C．所选择的测量指标不能反映浸出物溶液中花青素的含量 D．实验目的是测量浸泡时间对植物细胞膜的透性影响 5．“膜流”是指细胞的各种膜结构之间的联系和转移，下列有关叙述正确的是（）
A．破伤风杆菌和酵母菌均能发生“膜流”现象 B．红细胞吸水涨破是“膜流”现象的典型例证 C．分泌蛋白的合成和分泌过程，与“膜流”无关 D．“膜流”现象说明生物膜成分和结构相似 6．图甲表示突触，图乙表示受到刺激时神经纤维上的电位变化。下列叙述正确的是 A．图甲中a处能完成电信号→化学信号→电信号的转变 B．图甲中a处释放的递质都能使b处产生如图乙所示的电位变化 C．图乙中③时膜内外电位差为40 mV D．若神经纤维处于图乙中②对应状态时，Na+通过主动运输方式进入细胞 7．下列关于物质运输方式的叙述，错误的是（） A．参与自由扩散的膜结构物质主要是磷脂 B．通常情况下，主动运输是由低浓度一侧向髙浓度一侧运输 C．胞吞作用不需要能量和转运蛋白 D．利用胞吐作用运输的物质主要是蛋白质等大分子物质 8．在“观察洋葱表皮细胞的质壁分离和质壁分离复原”实验中，选用紫色洋葱外表皮细胞作为实验材料，是因为该细胞具有（） A．结构完整的细胞核B．功能完善的细胞膜 C．能够流动的细胞质D．易于观察的大液泡 9．由图中曲线a、b表示物质跨膜运输的两种方式，下列表述正确的是（） A．方式a离不开载体蛋白的协助 B．脂溶性小分子物质不能通过方式a运输 C．方式b的最大转运速率与载体蛋白数量有关 D．抑制细胞呼吸对方式a和b的转运速率均有影响 10．将生鸡蛋的大头保持壳膜完好去掉蛋壳，小头开个小孔让蛋清和蛋黄流出。将蛋壳内灌入15％的蔗糖溶液，然后放在烧杯的清水中并用铅笔标上吃水线。下列分析错误的是
安徽合肥一中2011年冲刺高考最后一卷 高三 2011-05-26 17:05 安徽合肥一中2011年冲刺高考最后一卷 语文试题 第Ⅰ卷（阅读题共66分） 一、（9分） 阅读下面的文字，完成1--3题。 在西方传统中，政治思考最初起源于在不同城市以及它们表达的价值种类之间的比较。古代雅典代表的是民主以及对人民（不包括奴隶和妇女）之庸常判断的信任，而斯巴达代表的则是拥有为城邦而战的、受过严格训练的公民一战士（以及相对来说强悍的妇女）的寡头政治的模式。不同的政治思想家从这些相互竞争的模式中选取立场并获得灵感以阐述他们的理论。 大致在雅典城邦国家达到鼎盛的同时代，中国分裂为若干为了政治霸权而相互竞争的邦国。七个最重要的政权的国都是有城墙的城市，这些城市为了对民人进行登记、征税和征兵的目的以官僚化的形式组织起来，但并不是所有的城市都形成了一种军事和政治风尚。例如，周朝国都洛阳就发展成为一个繁荣的商业城市。政治思想家和战略家带着不同的强国安民的理念在不同的国家间游历，而中国的社会思想和政治思想的主要学派正是从战国时代之城市理念的激荡中产生的。 在现代世界，城市代表不同跛治价值这一思想是否讲得通呢？今天的城市是规模巨大的、多变的、多元的，说一个城市代表了这个或那个价值，是否显得古怪？但是仅仅考虑一下耶路撒冷和北京，还有比这两个城市之间差距更大的城市吗？这两个城市都以围绕一个核心建造的同心圆的方式构成，但是一个核心代表的是宗教精神的价值，而另一个核心代表的则是政治权力。显然，一些城市确实表达了不同的社会和政治价值并且赋予他们以优先性。我们可以将这些价值称为城市的“风尚”或者“精神”。风尚的定义是人民或者社区具有的独特精神以及情感的流行基调，在此我们把这个定义应用于城市。确切地说，我们把城市的风尚定义为居住于某城市的人们普遍认可的一系列价值和观点。更确切地说，我们指的是：一个城市的居民普遍相信这座城市表达了一个独特的处于主导地位的价值系列，但并不是每一个人都必须同意这些价值和观点。 城市以各种方式反映了并且塑造了其居民的价值和观点。建筑的设计和建造反映了不同的社会的和文化的价值。妇女是否可以在大庭广众之下抛头露脸
Lesson 2 读后续写(话题：途中遇险) 例题：阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。 On a bright, warm July afternoon, Mac Hollan, a primary school teacher, was cycling from his home to Alaska with his friends. One of his friends had stopped to make a bicycle repair, but they had encouraged Mac to carry on, and they would catch up with him soon. As Mac pedaled (骑行) along alone, he thought fondly of his wife and two young daughters at home. He hoped to show them this beautiful place someday. Then Mac heard quick and loud breathing behind him. “Man, that’s a big dog!” he thought. But when he looked to the side, he saw instantly that it wasn’t a dog at all, but a wolf, quickly catching up with him. Mac’s heart jumped. He found out his can of bear spray. With one hand on the bars, he fired the spray at the wolf. A bright red cloud enveloped the animal, and to Mac’s relief, it fell back, shaking its head. But a minut e later, it was by his side again. Then it attacked the back of Mac’s bike, tearing open his tent bag. He fired at the wolf a second time, and again, it fell back only to quickly restart the chase（追赶）. Mac was pedaling hard now. He waved and yelled at passing cars but was careful not to slow down. He saw a steep uphill climb before him. He knew that once he hit the hill, he’d be easy caught up and the wolf’s teeth would be tearing into his flesh. At this moment, Paul and Becky were driving their car on their way to Alaska. They didn’t think much of it when they saw two cyclists repairing their bike on the side of the road. A bit later, they spotted what they, too, assumed was a dog running alongside a man on a bike. As they got closer, they realized that the dog was a wolf. Mac heard a large vehicle behind him. He pulled in front of it as the wolf was catching up fast, just a dozen yards away now. 注意： 1. 所续写短文的词数应为150左右； 2. 应使用5个以上短文中标有下划线的关键词语； 3. 续写部分分为两段，每段开头语已为你写好； 4. 续写完成后，请用下划线标出你所使用的关键词语。 Paragraph 1： The car abruptly stopped in front of him,… Paragraph 2： A few minutes later, the other two cyclists
重庆市第一中学2021届高三理综上学期期末考试试题 注意事项： 1．答卷前，考生务必将自己的姓名、准考证号码填写在答题卡上。 2．作答时，务必将答案写在答题卡上。写在本试卷及草稿纸上无效。 3．考试结束后，将答题卡交回。 可能用到的相对原子质量：H-1 C-12 N-14 O-16 S-32 一、选择题：本题共13小题，每小题6分，共78分。在每小题给出的四个选项中，只有一项是符合题目 要求的。 1.下列有关细胞内结构的说法正确的是 A．无丝分裂过程中细胞核与细胞质缢裂是不同步的 B．各种细胞内核糖体的形成都与核仁有关 C．细胞膜上的糖被只与细胞间识别有关 D．生物膜是生物体内所有膜结构的统称 2.下列关于人体细胞生命历程的叙述错误的是 A．胎儿手的发育过程会发生细胞凋亡 B．自由基会攻击蛋白质，使蛋白质活性下降，细胞随之逐渐衰老 C．细胞内单一基因突变会导致细胞恶性增殖且易发生分散和转移 D．细胞分化是基因在不同的时间和空间条件下选择性表达的结果 3. 下列有关生物学实验的叙述，正确的是 A. 低温诱导染色体数目加倍实验中，将大蒜根尖制成装片后再进行低温处理 B. 在“模拟性状分离比”实验中两个桶内的彩球总数一定要相等 C. 杂交实验与测交实验的结果是孟德尔“提出问题”的实验基础 D. 调查红绿色盲发病率，应该在人群中增加被调查人数，以减小误差 4.下列关于神经系统及神经调节的叙述，错误的是 A. 肾上腺素既是激素，又可以在某些突触中传递信息 B. 刺激某一反射弧的感受器或传出神经，可激发相同反射 C. 大脑皮层言语区中，V区受损导致患者不能看懂文字 D.“憋尿”能体现神经系统具有分级调节机制 5.下列关于群落的叙述，正确的是 A．人类活动对群落演替的影响往往是破坏性的 B．土壤中小动物类群丰富研究中，蚯蚓一般采用目测估计法统计 C．福建武夷山常绿阔叶林比西伯利亚泰梅尔半岛冻原物种更丰富 D．重庆中央公园里银杏树高低错落分布，体现了群落的垂直结构 6.某罕见单基因遗传病是由基因突变导致，以全身性发育迟缓、智力障 碍为特征。研究者在调查中发现
重庆市一中数学旋转几何综合专题练习（解析版） 一、初三数学 旋转易错题压轴题（难） 1．已知：如图①，在矩形ABCD 中，3,4,AB AD AE BD ==⊥，垂足是E .点F 是点 E 关于AB 的对称点，连接A F 、BF ． （1）求AF 和BE 的长； （2）若将ABF 沿着射线BD 方向平移，设平移的距离为m (平移距离指点B 沿BD 方向所经过的线段长度)．当点F 分别平移到线段AB AD 、上时，直接写出相应的m 的值． （3）如图②，将ABF 绕点B 顺时针旋转一个角1(080)a a ?<
20XX年中学测试 中 学 试 题 试 卷 科目： 年级： 考点： 监考老师： 日期：
20XX届合肥一中高考教学质量检测（二） 化学试卷 可能用到的相对原子质量：H—1 C—12 N—14 O—16 S—32 第Ⅰ卷（选择题共40分） 一、选择题（每小题只有一个选项符合题意 ．．．．．．．．．．．．．，共20小题，计40分） 1．2021年北京奥运会“祥云”火炬用的是环保型燃料——丙烷（C3H8），而悉尼奥运会火炬所用燃料为65%丁烷（C4H10）和35%丙烷，下列有关说法正确的是： A．丙烷分子中三个碳原子共平面B．符合通式C n H2n+2的均属于烷烃 C．丁烷的一氯代物有5种D．以上说法均不正确 2．据北京市园林局的不完全统计，城八区范围内共有11000余株行道树、149万余株绿篱、色块等灌木、近20万平方米草坪遭受严重盐害或死亡，直接影响了2021年“绿色奥运”开展。我国今年遭遇了特大雪灾，我国科学家用氯化钙、尿素、葡萄糖酸钠等为原料成功研制出一种新型复合融雪剂。下列说法正确的是 A．葡萄糖酸钠是非电解质 B．传统的氯化钠融雪剂由于价格偏高而减少使用 C．大量使用传统的氯化钠融雪剂会造成植物枯死 D．传统的氯化钠融雪剂通过升高水的凝固点实现雪融化 3．在春节联欢晚会等舞台上人工制造云雾缭绕的方法是 A．燃烧白磷B．燃烧镁粉C．释放干冰D．浓盐酸和浓氨水同时喷酒4．血液属于胶体，透析是除去肾衰竭病人血液中的毒性物质，从而拯救病人生命的重要方法。透析的原理是 A．蒸发B．电泳C．过滤D．渗析 5．下列物质中，最难电离出氢离子的是 A．CH3COOH B．CH3CH2OH C．NaHSO4D．H2O
2020届重庆市第一中学高三上学期期末考试数学（理）试题 学校:___________姓名：___________班级：___________考号：___________ 一、单选题 1．设集合A ={x |x 2-5x +6>0}，B ={ x |x -1<0}，则A ∩B = A ．(-∞，1) B ．(-2，1) C ．(-3，-1) D ．(3，+∞) 2．复数21i i -在复平面内对应的点为（ ） A ．()1,1-- B ．()1,1- C ．()1,1- D ．()1,1 3．已知向量()()1,3,2a m b ==-，，且()a b b +⊥，则m =( ) A ．?8 B ．?6 C ．6 D ．8 4．圆224690x y x y +--+=的圆心到直线10ax y ++=的距离为2，则a =（ ） A ．43- B ．34- C D ．2 5．现有5人站成一排照相，其中甲、乙相邻，且丙、丁不相邻，则不同的站法有（ ） A ．12种 B ．24种 C ．36种 D ．48种 6．已知ln3x =，4log 2y =，12z e -=，则（ ） A ．x y z << B ．z x y << C ．z y x << D ．y z x << 7．《张丘建算经》是公元5世纪中国古代内容丰富的数学著作，书中卷上第二十三问：“今有女善织，日益功疾，初日织五尺，今一月织九匹三丈.问半月积几何？”其意思为“有个女子织布，每天比前一天多织相同量的布，第一天织五尺，一个月(按30天计)共织布9匹3丈.问：前半个月(按15天计)共织多少布？”已知1匹＝4丈，1丈＝10尺，可估算出前半个月一共织的布约有（ ） A ．195尺 B ．133尺 C ．130尺 D ．135尺 8．设m ，n 是两条不同的直线，α，β两个不同的平面.若m α⊥，n β⊥，则“m n ⊥” 是“αβ⊥”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 9．将函数sin(2)3y x π =+的图像向右平移14 个周期后，所得图像对应的函数为()f x ，
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合肥一中2017-2018学年第一学期高三年级段三考试 英语试卷 时长：120分钟分值：150分命题人：吴福军审题人：陈赟哲 第I卷(选择题满分100分） 第一部分听力(共两节，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’s the color of the sofa? 高三英语第1页 /共 27页 合肥一中2017-2018学年第一学期高三年级段三考试 英语试卷参考答案 一、听力（每小题 1.5分，共30分）： 1-5 CCABA 6-10 BBCAC 11-15 ACACA 16-20 CBCBC 二、阅读理解（每小题2分，共40分）： 21-23BAC 24-27DBAD 28-31BACB 32-35 DABD 36-40：DECAG 三、完形填空（每小题 1.5分，共30分）： 41-45 CABDA 46-50 BACDB 51-55 ACBCD 56-60 BACBD 四、语法填空（每小题 1.5分，共15分）： 61. located 62. mountains 63. was declared 64. with 65. frequently 66. conclusion 67. that 68. pleasant 69. which 70. an 五、短文改错（每小题1分，共10分）： 71. attend后删去to 72. Watch改为Watching 73. pride改为proud 74. sight改为sights 75.contained改为contains 76. chance 前加 a 77. with改为in 78. after改为before 79. can改为could 80. here 改为there 六、书面表达（满分25分）：
秘密★启用前【考试时间：3月29日15:00—17:00】 2020年重庆一中高2020级高三下期3月月考 英语试题卷2020.3.29 英语试题卷共9页。满分150分。考试时间120分钟。 注意事项： 1.答题前，务必将自己的姓名、准考证号填写在答题卡规定的位置上。 2.答选择题时，必须使用2B铅笔将答题卡上对应题目的答案标号涂黑，如需改动，用橡皮 擦擦干净后，再选涂其他答案标号。 3.答非选择题时，必须使用0.5毫米黑色签字笔，将答案书写在答题卡规定的位置上。 4.所有题目必须在答题卡上作答，在试题卷上答题无效。 第Ⅰ卷 Ⅰ.听力部分（共二节，每小题1分，满分20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。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 will the man do in the job interview? A.Keep smiling. B.Take notes. C.Speak loudly. 2.What is the probable relationship between the speakers? A.Teacher and student. B.Doctor and patient. C.Husband and wife. 3.What does the woman advise the man to do? A.Never complain about failure. B.Never care about exam results. C.Keep on trying hard. 4.Why is the baby crying? A.He wishes to stay with his parents. B.He desires to drink milk. C.He wants to sleep. 5.How much should a couple with two children pay for the tickets? A.15dollars. B.30dollars. C.60dollars. 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。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.When will the speakers meet? A.At7:00tonight. B.At7:00pm on Friday. C.At7:30pm tomorrow. 7.What are the speakers talking about? A.Eating together. B.Attending a concert. C.Making a cake.
重庆市一中数学圆几何综合专题练习（解析版） 一、初三数学圆易错题压轴题（难） 1．如图，矩形ABCD中，BC＝8，点F是AB边上一点（不与点B重合）△BCF的外接圆交对角线BD于点E，连结CF交BD于点G． （1）求证：∠ECG＝∠BDC． （2）当AB＝6时，在点F的整个运动过程中． ①若BF＝22时，求CE的长． ②当△CEG为等腰三角形时，求所有满足条件的BE的长． （3）过点E作△BCF外接圆的切线交AD于点P．若PE∥CF且CF＝6PE，记△DEP的面积为S1，△CDE的面积为S2，请直接写出1 2 S S的值． 【答案】（1）详见解析；（2）① 182 5 ；②当BE为10， 39 5 或 44 5 时，△CEG为等腰三角形；（3） 7 24 . 【解析】 【分析】 （1）根据平行线的性质得出∠ABD＝∠BDC，根据圆周角定理得出∠ABD＝∠ECG，即可证得结论； （2）根据勾股定理求得BD＝10， ①连接EF，根据圆周角定理得出∠CEF＝∠BCD＝90°，∠EFC＝∠CBD．即可得出sin∠EFC ＝sin∠CBD，得出 3 5 CE CD CF BD ==，根据勾股定理得到CF＝62CE 18 2 5 ； ②分三种情况讨论求得： 当EG＝CG时，根据等腰三角形的性质和圆周角定理即可得到∠GEC＝∠GCE＝∠ABD＝ ∠BDC，从而证得E、D重合，即可得到BE＝BD＝10； 当GE＝CE时，过点C作CH⊥BD于点H，即可得到∠EGC＝∠ECG＝∠ABD＝∠GDC，得到CG＝CD＝6．根据三角形面积公式求得CH＝ 24 5 ，即可根据勾股定理求得GH，进而求得HE，即可求得BE＝BH＋HE＝ 39 5 ；