本篇文章给同学们谈谈明星调研卷初三，以及关于明星的调查问卷题目对应的知识点，希望对各位同学有所帮助，不要忘记分享给你的朋友哦！
本文目录一览：
- 1、成绩差有个明星梦怎么办，现在初三？
- 2、关于初中生最喜欢的足球明星的调查2014
- 3、初三英语教学质量调研试卷带答案
- 4、明星出现考试试卷中，学生激动全答对，学生时代盲目追星会产生怎样的影响？
- 5、初三数学上期末调研测试卷及答案
- 6、出现在试卷里的明星，王源、张云雷上榜，初中生：一激动考了满分，为什么？
成绩差有个明星梦怎么办，现在初三？
你的成绩很差，但是你有明星梦，你努力学习，你可以去参加一些比赛，哪里有比赛的你可以去参加比赛，如果有一天你能够赢出比赛，你才能够有好的发展，因为这样的明星梦也很渺茫，但是要找一份适合自己的工作吧，因为追求明星梦是很难的，如果你很优秀，你能够考上艺术系毕业就有可能当你实现你的明星吗？明星不是很容易就能够当上明星的，加油
[img]关于初中生最喜欢的足球明星的调查2014
内马尔，梅西，C罗,大概就这些，我比较喜欢内马尔。罗德里格斯大概也有吧。
初三英语教学质量调研试卷带答案
初三英语教学质量调研试卷
一、选择填空(共25小题;每小题1分，满分25分)
A)单项填空 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1. You can try_______ second time if you fail_______ first time.
A the; the B. a; the C. the; a D. a; a
2. --- We‘ll visit the Summer Palace_______ there is a heavy rain tomorrow.
--- OK ! Boating on the lake must be interesting.
A unless B. since C. until D. if
3. -- I will buy you a new bike if you learn how to swim this summer.
-- Is that a _______? I‘m sure I‘ll get the bike.
A. chance B. trick C. promise D. treat
4. --- The dish looked bad, but it_______ OK.
--- So it‘s not right to judge a man by his appearance.
A tastes B. was tasting C. was tasted D. tasted
5. --- No one_______ be compared with Messi in playing football.
--- Oh, you are really his big fan.
A. might B. could C. must D. can
6. There are a small number of people involved, possibly_______ ten
A as few as B. as little as C. as many as D. as much as
7. Arthur‘s memory starts to go wrong because of his age. So does_______.
A. I B. mine C. me D. myself
8. --- What do you often do_______ classes to relax yourselves?
--- We often do eye exercises, listen to music or do some running around the school.
A. in B. among C. between D. during
9. --_______ will you stay here?
--- Until tomorrow afternoon.
A How long B. How soon C. When D. How often
10. --- Did you watch the snooker game yesterday?
-- Yes, I did. Xiao Guodong is really a dark horse. Nobody _______ him to go so far.
A supposed B. hoped C. expected D. wanted
11. _______ a book in the library, enter a key word into the computer.
A To finding B. Finding C. Find D. To find
12. --- I‘m tired. I‘m taking next week off.
---_______, honey. You do need a break.
A. Not so sure B. Forget it C. Great idea D. No way
13. With the development of science and technology, news can be_______ to every corner of the world in seconds.
A put out B. sent out C. run out D. taken out
14. --- She‘s never spoken to a foreigner, _______?
--- Yes. She is active and can speak English freely.
A is she B. has she C. isn‘t she D. hasn‘t she
15. --- How soon will you start your journey?
--- I‘m not sure. I haven‘t decided_______.
A. when shall I ask the boss for leave
B. where I will go to spend the holiday
C. if I would go by train or by plane
D. who should I travel with
B)完形填空 先通读下面的短文，掌握其大意，然后在每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
While I was waiting to enter university, I saw an advertisement in a newspaper –a teaching job wanted at a school. The school was about ten miles from where I lived. I was in great 16 of money and wanted to do something useful, so I 17 .
Three days later, a letter arrived. It asked me to meet the principal of the school at Croydon. It proved to be a(n) 18 journey -a train to Croydon station, a ten-minute bus ride and then a walk of 19 a quarter of a mile.
A man who was short and round seemed to be the principal and he opened the door for me. 'The school,' he said, 'has a group of twenty-four boys between seven and thirteen years old.' According to the man, I should have to teach all the subjects 20 art, which the man himself taught. I should have to 21 the class into three groups and teach them at three different levels, and I was not glad at the 22 of teaching Maths -a subject which I wasn‘t good at. It was 23 that I had to teach them on Saturday afternoon because most of my friends would be 24 themselves at that time.
Before I had time to ask about my 25 ,the man got up to his feet. 'Now,' he said,“You‘d better meet my wife. She is the one who really runs this school.”
16.A. fear B. need C. danger D. control
17.A. applied B. arranged C announced D. accepted
18.A comfortable B. boring C short D. unpleasant
19.A at first B. at most C at least D. at last
20.A. besides B. except C including D. about
21.A. cut B. divide C turn D. gather
22.A. action B. way C movement D. thought
23.A. worse B. better C harder D. nicer
24.A helping B. believing C enjoying D. losing
25.A. fund B. value C. award D. pay
二、阅读理解(共15小题;每小题2分，满分30分)
阅读下列短文，从每小题所给的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。
A
Once upon a time, an old woman had two large water pots. Each hung on the end of a pole(杆子)which she carried across her neck.
One of the pots had a crack in it while the other pot was perfect, From the river to the house, the cracked pot arrived only half full. And the other pot was always full. The perfect pot took pride in its talent. But the poor cracked pot felt sad for its own disadvantage.
One day by the river the cracked pot said to the woman, 'I feel bad about myself, because the crack in me causes water to come out all the way back to your house.”
The old woman smiled and said, 'Why are there flowers on your side of the road, but not on the other pot‘s side? That‘s because I have always known about your crack. So I planted flowers on your side of the road, and every day while we walk back, you water them. For two years I have been able to pick these beautiful flowers to decorate my house, There would not be this beauty without you. Each of us has our own cracks. But the cracks make our lives so interesting and beautiful.'
So, to all the cracked pot friends, have a great day and remember to smell the flowers on your side of the road!
26. If each of the two pots could be filled with 20 kilos of water, the woman would probably get _______ kilos of water from the river to the house.
A 10 B. 20 C. 30 D. 40
27. Which of the following is TRUE according to the passage?
A The woman preferred the perfect pot to the cracked pot.
B. The cracked pot felt more talented than the perfect pot.
C. There were beautiful flowers on both sides of the road.
D. The old woman decorated her house with some flowers.
28. What can we learn from the story?
A Everyone has a talent.
B. A true friend is hard to find.
C. Success never comes easily.
D. Mistakes improve our learning,
B
Have you ever had an embarrassing(尴尬的)experience? Last week we asked readers to tell us about embarrassing experiences. We received thousands of letters! Here is a selection.
Tony:
My most embarrassing experience happened when I had just left university. I had just started teaching in a Liverpool secondary school. One morning my alarm clock didn‘t ring. I woke up at half past eight and school began at nine. I quickly washed, dressed, jumped into my car and rushed to school. When I arrived, the students had already gone into class. I didn‘t go to the office, but went straight into class. After two or three minutes the students began laughing, and I couldn‘t understand why! Suddenly I looked down and understood. I had put on one black shoe and one brown shoe!
Henry:
The most embarrassing experience I‘ve ever had, happened two years ago. After seeing a film, my wife and I had lunch in our favourite restaurant in town. Then we decided to take a walk along the street. The street was very busy and we started holding hands. Suddenly my wife saw a dress that she liked in a shop window, and stopped. I started looking at some watches in the next window. After a minute or two I reached for my wife‘s hand. There was a loud scream, and a woman slapped my face. I hadn‘t taken my wife‘s hand. I‘d taken the hand of a complete stranger!
James:
My wife and I had decided to buy a new house, and I‘d made an appointment to see our bank manager. I‘d never met him before. I went into town in my car and I was lucky enough to find a parking space outside the bank. I‘d just started reversing(倒车) into the space when another car made its way into it. I was irritated! I opened my window and shouted at the man in the car. He ignored me and walked away. It took me twenty minutes to find another place. As soon as I had parked the car, I rushed back to the bank. I was ten minutes late for my appointment. I went to the manager‘s office, knocked and walked in. The manager was sitting behind his desk. He was the man who had taken my parking space!
29. The students began laughing when they saw Tony_______.
A. wearing a wrong shoe B. carrying an alarm clock
C. looking down suddenly D. rushing into the classroom
30. Henry was embarrassed because he_______.
A slapped the woman in the face
B. took the hand of a complete stranger
C. heard his wife screaming in the street
D. knocked over some watches in the shop
31. James went into town to_______.
A. put money in the bank B. look for a job
C. meet the bank manager D. buy a new car
32. The underlined word 'irritated' probably means '_______ '.
A. angry B. impolite C. worried D. embarrassed
C
Roosegaarde, an artist and designer from Dutch has thought of a device(装置). He hopes it will make Beijing‘s sky clear again and help the people with masks breathe fresh air again in Beijing.
An electromagnetic field(电磁场) will pull the dirty particles in the air to the ground, and then they can be easily cleaned.
Roosegaarde says, 'It‘s like when you have a balloon which has static electricity(静电) and your hair goes toward it. Smog happens the same way as the hair.'
His workplace has reached an agreement with the Beijing government to test the technology in one of the capital‘s parks. Beijing‘s skies are regularly covered by grey smog. Serious cases of air pollution are often reported in Beijing. Roosegaarde says an indoor test has already shown it works well and he is confident of the results. With the help of a team of scientists and engineers, he is sure that the device can be worked outside.
'Beijing is a very good place to test the device because the smog in Beijing is quite low and there‘s not so much wind.' says Roosegaarde. 'We‘ll be able to make the air pure but the most difficult thing is to remove the smog. As a result, you can see the sun again.'
Roosegaarde also reminds us that his aim is not only to give a plan to solve Beijing‘s dirty air pollution but also to make people pay attention to the environment problem. He adds, 'This is not the real answer for smog. The real answer to do with it is clean cars, different industry and different lifestyles. ' However, he hopes the project will make the citizens realize the differences between clean air and smog-filled air.
33. The device works by_______.
A helping keep the particles out with more masks
B. pulling particles to the ground with an electromagnetic field
C. absorbing hair with a balloon with static
D. creating clean air and letting it out into the sky
34. What does Roosegaarde use his device for?
A To make smog. B. To make the air clean
C. To make static electricity. D. To make Beijing‘s parks beautiful.
35. After reading the passage, we can know_______.
A the device doesn‘t work well indoors
B. the people with masks can breathe fresher air
C. Beijing government agreed to test the device
D. clean cars aren‘t helpful to the environment in Beijing
36. Roosegaarde hopes people in Beijing can_______.
A pay attention to air pollution and solve the problem finally
B. invent more devices to clean the smog in Beijing
C. drive modern cars and try different lifestyles
D. realize how serious the pollution they‘re facing is
D
According to scientists‘ research, the month in which babies are born could affect them in some ways.
Babies born in spring get sick easily. Children born under Aquarius may be less clever than those born in other seasons. They may also have shorter lives than those born in autumn Scientists believe many of the differences can be explained by the mother‘s exposure to sunlight in pregnancy(怀孕). Sunlight helps lead to the production of Vitamin D in the body. The lack of this in the first months of life may have a bad effect on mental and physical health.
Vitamin D, called the 'sunshine vitamin', is known to help regulate(调节) thousands of genes during development, according to a study of more than two million people. So Vitamin D has a good effect on health This study showed that people born from April to June had slightly shorter lives than those born in October, November or December. Similar studies in the USA showed that people born in autumn lived about 160 days longer than those born in spring.
Professor Russell Foster, an Oxford University neuroscientist on seasonal biology, said the conclusions were surprising and interesting. He added, 'These are small effects but they are very, very clear. I am not giving voice to star signs and they are just for fun. But it is true that we are affected by our season of birth.'
37.A baby‘s season of birth doesn‘t affect its_______.
A health B height C length of life D. mind
38. According to the passage,_______ can help people get Vitamin D.
A. enough sleep B. enough sunlight
C fresh air D. suitable seasons
39. Which of the following is TRUE according to the passage?
A. People born in spring may not be in good health.
B. Children born under Aquarius are cleverer than those born under Libra.
C. Professor Russell Foster is interested in star signs and believes in them
D. People born in May will live longer than those born in October.
40. What does the passage mainly tell us?
A. People can know the length of life by star sign.
B. Women should choose to give birth to children in spring.
C A child‘s season of birth has some effect on him or her.
D. Vitamin D is very important to people‘s health.
第II卷(非选择题，共45分)
三、单词拼写(共10小题;每小题1分，满分10分)
根据下列句子所给汉语注释或对话情景，在答题卡标有题号的'横线上，写出空缺处各单词的正确形式。每空限填一词。
41. It‘s doubtful ▲ (是否)there‘ll be any seats left or not.
42. The notice at the end of the road ▲ (警告)people not to go any further.
43. Hopefully, those climbers have covered ▲ (五分之四)of the distance.
44. The ▲ (热)in the room makes me uncomfortable,
45. Without enough sleep you can‘t work ▲ (正常地).
46. There seems to be a huge balloon ▲ (漂浮)across the sky.
47. As the curtain ▲ (上升)slowly, the audience fell silent.
48.---Judy, I guess you are only twenty-five years old, is that true?
---Oh, it‘s a ▲ .
49.-Could you please ▲ us with some new information about MH370?
-Of course. Anyway, it is a sad story.
50.---It will be my turn. I feel a little ▲ .
---Take it easy. You can make it.
四、句子翻译(共5小题;每小题3分，满分15分)
将下列句子译成英语，并将所译句子写在答题卡标有题号的横线上。
51.骑自行车环绕苏州是多么有乐趣啊!
52.他离开得如此匆忙，以至于忘了锁门。
53.别担心，你不久就会习惯他的幽默感。
54.你注意到我们教室的墙被涂成了白色吗?
55.用英语回答这个问题你有困难吗?
五、书面表达(共1题;满分20分)
一个民族有自己的“民族梦”，一个国家有自己的“国家梦”，同样，每个人也应有属于自己的“美丽梦想”。最近，你班就“我们的梦想职业”展开了一次调查。下表是你们小组的调查情况。请根据表格内容写一篇英语短文，向英语校刊投稿。
注意：1. 100词左右。短文的开头和结尾已给出，不计入总词数;
2.不得透露学校、姓名等任何个人信息;
3.可在必要处作适当发挥。
Our Dream Jobs
Recently we did a survey in our class in order to learn about students‘ ideal jobs. Here‘s a report about my group members‘ ideas.
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
初三英语教学质量调研试卷参考答案
明星出现考试试卷中，学生激动全答对，学生时代盲目追星会产生怎样的影响？
首先就是如果学生盲目追星，可能会对自己的学业造成一定的影响，其次，学生盲目追星有可能会去模仿明星的一些所作所为，对于自身的成长并不是很好，最后就是现在很多学生其实是没有经济能力去追星的，但是最近却要花费大量的钱，对于家长来说是一个很大的压力！
随着互联网的普及以及时代的发展出现了越来越多的追星族，并且在这些追星族当中学生居多，但是在追星的过程中可能会对学生产生一定的危害，我认为主要有以下几点！
第一，追星影响学业
很多学生对于自己的爱豆是非常崇拜的，只要爱豆出现在某个综艺节目，或者去唱了某首歌，他们就会每天去听这个歌去看这个综艺节目，并且在学习的过程当中也有可能会造成注意力不集中的现象，并且现在的很多青少年学业是非常繁重的，他们本应该去将大量的时间用于学习写作，或者去做一些有益的课外活动，但是如果他们有爱豆，可能会将大量的时间用于去追爱豆或者去听歌，本应该是学习的重要时期，但是他们却将大量的时间用在追星上，所以可能会导致学业的退步！
第三，没有经济能力追星，给父母造成极大压力
许多的学生现在都是没有收入的，而他们却较大量的金钱全部用于买专辑，买彩照，去见爱豆，给自己的爱豆送礼物，而这些所有的钱全部都是来自于父母，而有些人甚至为了购买一二百块钱的演唱会门票不惜去医院卖血，甚至有些人一直给自己的父母索要钱去给爱豆购买礼物，甚至有些学生在追星的路上，将自己父母所存的一些金钱全部偷偷的花出去，我们非常熟知的一个事例，就是有一个农村的姑娘为了去追周杰伦，但是他的家庭却是比较贫困的，没有太多的金钱去看周杰伦的演唱会，也没有办法去见到周杰伦，所以他的父亲不惜卖肾帮助女儿去见周杰伦，这种追星是非常疯狂的，对于家庭也造成了极大的伤害！
第三，可能会对学生造成错误的价值观
很多学生对于自己的爱豆都是非常崇拜的，认为他们爱豆所做的事情都是对的，所以有些学生在平时的生活当中也有可能会去模仿爱豆的所作所为，如果一旦学生喜欢的爱豆是一个负能量的人，而他们在生活当中也可能做了一些错事，但是这极有可能会使得学生进行模仿和学习，不利于学生价值观的形成，很有可能会造成学生的一种错误思想，对于学生的身心危害是非常大的。
初三数学上期末调研测试卷及答案
对于初三数学期末考试的复习,制定计划做数学试题更有利于数学的学习和备考。
初三数学上期末调研测试卷
一、选择题(本题共有12小题，每小题3分，共36分，每小题有四个选项，其中只有一个是正确的)
1.sin60°的值是
A. B. C.1 D.
2.图1是一个球体的一部分，下列四个选项中是它的俯视图的是
3.用配方法解方程 ，下列配方正确的是
A. B.
C. D.
4.图2是我们学过的反比例函数图象，它的函数解析式可能是
A. B. C. D.
5.如图3，已知∠BAD=∠CAD，则下列条件中不一定能使
△ABD≌△ACD的是
A.∠B=∠C B.∠BDA=∠CDA
C.AB=AC D.BD=CD
6.过某十 字路口的汽车，它可能继续直行，也可能向左或向右转.若这三种可能性大小相同，则两辆汽车经过该十字路口全部继续直行的概率为
A. B. C. D.
7.矩形具有而菱形不具有的性质是
A.对角线互相平分 B.对角线互相垂直
C.对角线相等 D.是中心对称图形
8.关于二次函数 ，下列说法中正确的是
A.它的开口方向是向上 B.当x –1时，y随x的增大而增大
C.它的顶点坐标是(–2，3) D.当x = 0时，y有最小值是3
9.如图4，已知A是反比例函数 (x 0)图象上的一个
动点，B是x轴上的一动点，且AO=AB.那么当点A在图
象上自左向右运动时，△AOB的面积
A.增大 B.减小 C.不变 D.无法确定
10.如图5，已知AD是△ABC的高，EF是△ABC的中位线，
则下列结论中错误的是
A.EF⊥AD B.EF= BC
C.DF= AC D.DF= AB
11.某公司今年产值200万元，现计划扩大生产，使今后两年的产值都比前一年增长一个相同的百分数，这样三年(包括今年)的总产值就达到了1400万元.设这个百分数为x，则可列方程为
A.
B.
C.
D.
12.如图6，已知抛物线 与x轴分别交于A、B两点，顶点为M.将抛物线l1沿x轴翻折后再向左平移得到抛物线l2.若抛物线l2过点B，与x轴的另一个交点为C，顶点为N，则四边形AMCN的面积为
A.32 B.16 C.50 D.40
第二部分(非选择题，共64分)
二、填空题(每小题3分，共12分。)请把答案填在答题卷相应的表格里。
13.2011年深圳大运会期间，在一个有3000人的小区里，小明随机调查了其中的500人，发现有450人看深圳电视台的大运会晚间新闻.那么在该小区里随便问一人，他看深圳电视台的大运会晚间新闻的概率大约是答案请填在答题表内.
14.若方程 的一个根为1，则b的值为答案 请填在答题表内.
15.如图7，甲、乙两盏路灯相距20米，一天晚上，当小刚
从灯甲底部向灯乙底部直行16米时，发现自己的身影顶
部正好接触到路灯乙的底部，已知小刚的身高为1.6米，
那么路灯甲的高为答案请填在答题表内米.
16.如图8，四边形ABCD是边长为2的正方形，E是AD边上一点，将△CDE绕点C沿逆时针方向旋转至△CBF，连接EF交BC于点G.若EC=EG，则DE = 答案请填在答题表内.
三、解答题(本题共7小题，共52分)
17.(本题 5分)计算：
18.(本题5分)解方程：
19.(本题8分)如图9，等腰梯形ABCD中，AB//CD，AD = BC = CD，对角线BD⊥AD，DE⊥AB于E，CF⊥BD于F.
(1)求证：△ADE≌△CDF;(4分)
(2)若AD = 4，AE=2，求EF的长.(4分)
(1)转动该转盘一次，则指针指在红色区域内的概率为_______;
(2分)
(2)转动该转盘两次，如果指针两次指在的颜色能配成紫色(红
色和蓝色一起可配成紫色)，那么游戏者便能获胜.请用列
表法或画树状图的方法求出游戏者能获胜的概率.(6分)
21.(本题8分)如图11，A、B、C是三座城市，A市在B市的正西方向.C市在A市北偏东60º的方向，在B市北偏东30º的方向.这三座城市之间有高速公路l1、l2、l3相互贯通.小亮驾车从A市出发，以平均每小时80公里的速度沿高速公路l2向C市驶去，3小时后小亮到达了C市.
(1)求C市到高速公路l1的最短距离;(4分)
(2)如果小亮以相同的速度从C市沿C→B→A的路线从高速公路返回A市.那么经过多长时间后，他能回到A市?(结果精确到0.1小时)( )(4分)
22.(本题9分)阅读材料：
(1)对于任意实数a和b，都有 ，∴ ，于是得到 ，当且仅当a = b时，等号成立.
(2)任意一个非负实数都可写成一个数的平方的形式。即：如果 ，则 .如：2= ， 等.
例：已知a 0，求证： .
证明：∵a 0，∴
∴ ，当且仅当 时，等号成立。
请解答下列问题：
某园艺公司准备围建一个矩形花圃，其中一边靠墙(墙足够长)，另外三边用篱笆围成(如图12所示).设垂直于墙的一边长为x米.
(1)若所用的篱笆长为36米，那么：
①当花圃的面积为144平方米时，垂直于墙的一边的长为多少米?(3分)
②设花圃的面积为S米2，求当垂直于墙的一边的长为多少米时，这个花圃的面积最大?并求出这个最大面积;(3分)
(2)若要围成面积为200平方米的花圃，需要用的篱笆最少是多少米?(3分)
23(本题9分)如图13-1，已知抛物线 (a≠0)与x轴交于A(–1，0)、B(3，0)两点，与y轴交于点C(0，3).
(1)求抛物线的函数表达式;(3分)
(2)若矩形EFMN的顶点F、M在位于x轴上方的抛物线上，一边EN在x轴上(如图13-2).设点E的坐标为(x，0)，矩形EFMN的周长为L，求L的最大值及此时点E的坐标;(3分)
(3)在(2)的前提下(即当L取得最大值时)，在抛物线对称轴上是否存在一点P，使△PMN沿直线PN折叠后，点M刚好落在y轴上?若存在，请求出所有满足条件的点P的坐标;若不存在，请说明理由.(3分)
初三数学上期末调研测试卷答案
一、选择题(每小题3分，共36分)
BCBAD ACBCD DA
二、填空题(每小题3分，共12分)
13.0.9; 14. 4 ; 15. 8 ; 16.
三、解答题
17.解：原式 = 2分(每写对一个函数值得1分)
= 3–1 4分(每算对一个运算得1分)
= 2 5 分
18.解法一：移项得 1分
配方得
2分
即 或 3分
∴ ， 5分
解法二：∵ ， ，
∴ 1分
∴ 3分
∴ ， 5分
解法三：原方程可化为 1分
∴x–1 = 0或x–3 = 0 3分
∴ ， 5分
19.(1)证明：∵DE⊥AB，AB//CD
∴DE⊥CD
∴∠1+∠3=90º 1分
∵BD⊥AD
∴∠2+∠3=90º
∴∠1=∠2 2分
∵CF⊥BD，DE⊥AB
∴∠CFD=∠AED=90º 3分
∵AD=CD
∴△ADE≌△CDF 4分
(2)解：∵DE⊥AB，AE=2，AD=4
∴∠2=30º，DE= 5分
∴∠3=90º–∠2=60º
∵△ADE≌△CDF
∴DE=DF 6分
∴△DEF是等边三角形
∴EF=DF= 7分
(注：用其它方法解答的，请根据此标准酌情给分)
20.(1) 2分
红 黄 蓝
红 (红，红) (黄，红) (蓝，红)
黄 (红，黄) (黄，黄) (蓝，黄)
蓝 (红，蓝) (黄，蓝) (蓝，蓝)
(2)解：列表得
结果共有9种可能，其中能成紫色的有2种
∴P(获胜)=
(说明：第(2)小题中，列表可画树状图得4分，求出概率得2分，共6分)
21.(1)解：过点C作CD⊥l1于点D，则已知得 1分
AC=3×80=240(km)，∠CAD=30º 2分
∴CD= AC= ×240=120(km)3分
∴C市到高速公路l1的最短距离是120km。4分
(2)解：由已知得∠CBD=60º
在Rt△CBD中，
∵sin∠CBD=
∴BC= 5分
∵∠ACB=∠CBD–∠CAB=60º–30º=30º
∴∠ACB=∠CAB=30º
∴AB=BC= 6分
∴t = 7分
答：经过约3.5小时后，他能回到A市。8分
(注：用其它方法解答的，请根据此标准酌情给分)
22.(1)解：由题意得 1分
化简后得
解得： ， 2分
答：垂直于墙的一边长为6米或12米。 3分
(2)解：由题意得
S = 4分
= 5分
∵a =–20，∴当x = 9时，S取得最大值是162
∴当垂直于墙的一边长为9米时，S取得最大值，最大面积是162m2。6分
(3)解：设所需的篱笆长为L米，由题意得
7分
即： 8分
∴若要围成面积为200平方米的花圃，需要用的篱笆最少是40米，9分
23.(1)解：由题意可设抛物线为 1分
抛物线过点(0，3)
解得：a =–1 2分
抛物线的解析式为：
即： 3分
(2)解：由(1)得抛物线的对称轴为直线x = 1
∵E(x，0)，
∴F(x， )，EN = 4分
∴
化简得 5分
∵–20，
∴当x = 0时，L取得最大值是10，
此时点E的坐标是(0，0) 6分
(3)解：由(2)得：E(0，0)，F(0，3)，M(2，3)，N(2，0)
设存在满足条件的点P(1，y)，
并设折叠后点M的对应点为M1
∴ NPM=NPM1=90，PM=PM1
PG = 3–y，GM=1，PH = | y |，HN = 1
∵∠NPM=90º
∴
∴
解得： ，
∴点P的坐标为(1， )或(1， )7分
当点P的坐标为(1， )时，连接PC
∵PG是CM的垂直平分线，∴PC=PM
∵PM=PM1，∴PC=PM=PM1
∴∠M1CM = 90º
∴点M1在y轴上8分
同理可得当点P的坐标为(1， )时，点M1也在y轴上9分
故存在满足条件的点P，点P的坐标为(1， )或(1， )
(说明：能正确求出一个点的坐标并能说明点M刚好落在y轴上，得2分)
出现在试卷里的明星，王源、张云雷上榜，初中生：一激动考了满分，为什么？
这个很好理解，因为中小学生的艺术鉴赏能力有限，对于很多“流量明星”的歌唱和演艺实力不甚了解，对于孩子们来说，哪个明星长得帅、有意思、有人捧，那就是有实力！所以为了增进孩子的学习兴趣和积极性，许多出卷老师，就千方百计地把“流量明星”编在考试卷中，一方面是投其所好，另一方面显得自己的思想意识年轻有活力，能够与时俱进。
而孩子们在本该庄严肃穆、谨慎认真的考场上，看到夹杂着自己钟爱偶像名字的考题，自然也是喜不自胜，得意非凡。
对于青少年来说，最缺乏也是最需要的，就是父母和老师的认可。
那么，当孩子们看到自己喜欢的明星，能够出现在平时的测验和试卷里，他们会想到：
1、这是老师对自己的理解和认可。
孩子的天性，是喜欢有趣和好玩的事物，对于考试题也是如此。当他们每天埋头于书山学海中，面对着千篇一律的概念和试题，难免会感到枯燥乏味，不但学习兴趣会降低，对于读书的看法也会变得日益消极和困惑。
很多厌学、逃学的孩子，之所以耐不下性子来读书和学习，最大的原因就是觉得老师和父母总是针对自己，不管自己做什么都是错的，喜欢什么都是“瞎起哄”、没眼光。
所以说作为成年人，如果老师和父母能够多了解、多理解孩子的心态，对于他们心中所想所爱的事物有个透彻的理解，那么在我们和孩子相处的时候，就会多一点从容和豁达。
喜欢“流量明星”不好吗？男的帅、女的美，不管会不会唱歌、能不能演戏，只要孩子喜欢，那我们就可以理解、也能够迁就。
2、这样的老师很有趣，更有吸引力。
一个好老师，往往能决定一个孩子学习某门课程的兴趣和成绩。
而孩子们评判好老师的标准，永远就是两个字：有趣。
思想有趣的老师，懂得调动和感染孩子的情绪，让孩子们集中精力听课和学习；
言语有趣的老师，上课更有感染力，孩子们常常被逗得前仰后合，却在不经意间，学到了知识，获得了经验。
行动有趣的老师，在课堂上就是当仁不让的“明星”，他们时而模仿动物，憨态可掬，时而模仿古人，满口之乎者也，时而谈及明星，对于资本的介入深恶痛绝。
还有些老师，会把“流量明星”放在试卷的题目中，让学生在紧张忙碌的考场上，也能明白我们学习知识，是为了解决和探究生活中的问题，而不只是为了考试和成绩。
3、为了偶像的面子，我不能做错这道题。
当然孩子们的心思很简单，老师有趣，我就愿意认真听讲；试题有趣，我就更能兴致盎然地解题和答题。从这一点看来，把孩子们喜欢的动漫人物、流量明星和运动健将，全都放在考试题上，或许，才是激发中小学生的学习兴趣和积极性的“正确姿势”！
当然，只有学霸同学看到“流量明星”，才能够一激动考到满分；对于学渣同学来说：
就是看到自己的名字在考试题中，该不会的，还是不会！
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