江蘇省南京市第十三中學(xué)2009屆高三第三次模擬試卷 數(shù) 學(xué) 試 卷 2009.5
注意事項(xiàng)：
1．本試卷共160分，考試時(shí)間120分鐘．
2．答題前，考生務(wù)必將自己的學(xué)校、姓名、考試號(hào)寫(xiě)在答題紙上．試題的答案寫(xiě)在答題紙上對(duì)應(yīng)題目的答案空格內(nèi)．考試結(jié)束后，交回答題紙．
參考公式：
一組數(shù)據(jù)的方差2009屆高三第三次模擬試卷---數(shù)學(xué).files/image002.gif)
，其中2009屆高三第三次模擬試卷---數(shù)學(xué).files/image004.gif)
為這組數(shù)據(jù)的平均數(shù)．
江蘇省南京市第十三中學(xué)2009屆高三第三次模擬試卷
語(yǔ)文試題
注意事項(xiàng)：
1．本試卷分必考部分和選考部分。共160分�？荚囉脮r(shí)150分鐘。
2．答題前，考生務(wù)必將學(xué)校、姓名、班級(jí)、學(xué)號(hào)寫(xiě)在答卷紙的密封線內(nèi)。答案寫(xiě)在答卷紙上對(duì)應(yīng)題目的橫線上。考試結(jié)束后，交回答卷紙。
江蘇省南京市第十三中學(xué)2009屆高三第三次模擬試卷
英 語(yǔ)
第一卷（三部分，共85分）
第一部分 聽(tīng)力（共兩節(jié)，滿分20分）
第一節(jié)(共5小題；每小題1分，滿分5分)
聽(tīng)下面5段對(duì)話。每段對(duì)話后有一個(gè)小題，從題中所給的A、B、C三個(gè)選項(xiàng)中選出最佳選項(xiàng)，并標(biāo)在試卷的相應(yīng)位置。聽(tīng)完每段對(duì)話后，你都有10秒鐘的時(shí)間來(lái)回答有關(guān)小題和閱讀下一小題。每段對(duì)話僅讀一遍。
1. Where probably is Daniela now?
A. In the classroom. B. On her way home. C. At home.
2. What does the man think of the book?
A. Interesting. B. Useful. C. Expensive.
3. What can we learn from the conversation?
A. The man is the manager.
B. The woman likes roses best.
C. The woman is satisfied with the room and service.
4. What is the sign on the back of the door used for?
A. Reminding the woman to lock the door. B. Reminding the woman to take her keys.
C. Reminding the guests to close the door.
5. Why does the woman look different?
A. She has changed her hairstyle. B. She is wearing a new dress.
C. She has lost weight.
第二節(jié)（共15小題；每小題1分，滿分15分）
聽(tīng)下面5段對(duì)話或獨(dú)白。每段對(duì)話或獨(dú)白后有幾個(gè)小題，從題中所給的A、B、C三個(gè)選項(xiàng)中選出最佳選項(xiàng)，并標(biāo)在試卷的相應(yīng)位置。聽(tīng)完每段對(duì)話或獨(dú)白前，你將有時(shí)間閱讀各個(gè)小題，每小題5秒鐘；聽(tīng)完后，各小題將給出5秒鐘的作答時(shí)間。每段對(duì)話或獨(dú)白讀兩遍。
聽(tīng)第6段材料，回答第6至7題。
6. What is the probable relationship between the speakers?
A. Waiter and customer.
B. Driver and passenger.
C. Salesman and customer.
7. How much money does the woman give to the man?
A.￡7. B.￡7.3. C.￡8.
聽(tīng)第7段材料，回答第8至9題。
8. What transport didn’t the man take when traveling ?
A. A slow plane. B. A boat C. A taxi.
9. What does the man ask the woman to do?
A. Lend him a book.
B. Tell him some stories.
C. Go on a trip to
聽(tīng)第8段材料，回答第10至12題。
10. What kind of children does the woman help?
A. The ones with disabilities.
B. The ones without parents.
C. The ones with mental disease.
11. How does the woman help the children?
A. She gives them knowledge.
B. She gives them food and money.
C. She sings songs and plays with them.
12. What do we know about the woman?
A. She is a nurse.
B. She starts work at 9:00.
C. She goes to the hospital in the afternoon.
聽(tīng)第9段材料，回答第13至16題。
13. What special things does the man suggest taking?
A. T-shirts and shorts. B. Toothbrushes. C. Umbrellas.
14. What does the man think of his brown shoes?
A. The most beautiful. B. The most expensive. C. The most comfortable.
15. Why does the man ask the woman to pack his blue suit and new shirt?
A. To attend the meeting. B. To go to the theatre. C. To go to the party.
16. Where are the speakers meeting?
A. At the airport. B. At a hotel. C. At home.
聽(tīng)第10段材料，回答第17至20題。
17. What do primary school pupils have to study at least one hour every day?
A. PE. B. Maths. C. RE.
18. What can the students do after the age of 14？
A. They can stop studying History.
B. They can do part-time jobs.
C. They can graduate from the secondary school.
19. How long do the students have to stay at school?
A. Until they're 14. B. Until they're 15. C. Until they're 16.
20. What must the students do to enter the university?
A. Pass a maths examination.
B. Pass a second language test.
C. Get good marks at all subjects.
第二部分：英語(yǔ)知識(shí)運(yùn)用（共兩節(jié), 滿分35分）
第一節(jié) 單項(xiàng)填空（共15小題，每小題1分，滿分15分）
從A、B、C、D四個(gè)選項(xiàng)中選出可以填入空白處的最佳選項(xiàng),并在答題卡上將該項(xiàng)涂黑。
21. No doctor would like to see a change for _____ worse in a patient; they hope he or she can
improve in _______ health soon.
A. the; / B. the; the C. /; the D. /; /
22. How can you expect to learn anything _________ you never listen in class?
A. unless B. as C. when D. because
23. He just stared at me and there was an expression in his eyes I couldn’t ______.
A. read B. sense C. tell D. notice
24. It was not just the size of the party last night _______ made it unique, but _______ it meant
to our company.
A. that; that B. that; what C. what; what D. what; that
25. He heard a big noise and had to ______ his car to the roadside to have a look.
A. pull up B. pull out C. pull in D. pull over
26. ---My God! What a narrow escape!
---Luckily he missed it. He _________ have been hit by the crazy car.
A. should B. would C. must D. shall
27. ---Would you please listen to me explain?
--- ________ I’ve had enough of it.
A. Not more lies! B. No more secrets!
C. No more excuses! D. Not more explanations!
28. Survey shows that designer clothes _________ much in the smaller towns.
A. aren’t really sold B. wasn’t really sold
C. won’t really sell D. don’t really sell
29. Just
now I got an e-mail from my girlfriend, ______said that she was going to teach
in
A. who B. what C. which D. it
30. Excuse me, but would you please show me that ________ toy bear? Thank you.
A. beautiful red glass B. beautiful glass red
C. red beautiful glass D. red glass beautiful
31. We are going away in June but __________ that I’ll be here all summer.
A. rather than B. other than C. in view of D. except for
32. You didn’t play basketball again? You ________! Go and have a bath.
A. were sweating B. sweated C. are sweating D. were sweated
33. Their products enjoy 30 percent ________of the market in this country because both the
quality and their service are fine.
A. figure B. sales C. discount D. share
34. ---So you missed the meeting.
--- __________. I got there ten minutes before it finished.
A. Not exactly B. Not really C. So what? D. How come?
35. The problem they came close to ______ today was put off again.
A. having settle B. have settled C. having settled D. have settle
第二節(jié) 完形填空（共20小題；每小題1分，滿分20分）
閱讀下面短文，掌握其大意，從每題所給的（A、B、C和D）四個(gè)選項(xiàng)中選出最佳選項(xiàng)，并在答題卡上將該項(xiàng)涂黑。
In 1982, Steven Callahan was
crossing the
His 39 of how he survived is fascinating. His cleverness ― how he 40 to catch fish, how he evaporated(蒸發(fā)) sea water to 41 fresh water ― is very interesting.
But the
thing that 42 my eye was how he managed to keep himself
going when all hope seemed lost, and there seemed no
When people 45 these kinds of circumstances, they do
something with their minds that gives them the courage to keep going. Many
people in 46 desperate circumstances
“I tell myself I can 49 it,” wrote Callahan in his book. “Compared to what others have been through, I’m fortunate. I tell myself these things over and over, 50 up courage…”
I wrote that down after I read it. It 51 me as something important. And I’ve told myself the same thing when my own goals seemed 52 off or when my problems seemed too terrible. And every time I’ve said it, I have always come back to my 53 .
The truth is, our circumstances are only bad 54 to something better. But others have been through the much worse, that is, in comparison with what others have been through, you’re fortunate. Tell this to yourself over and over again, and it will help you 55 through the rough situations with a little more courage.
36. A. little B. rich C. few D. enough
37. A. And B. Yet C. Still D. Thus
38. A. thinner B. stronger C. worse D. healthier
39. A. attitude B. assumption C. instruction D. account
40. A. assisted B. tended C. managed D. intended
41. A. make B. absorb C. select D. replace
42. A. attacked B. caught C. froze D. cheated
43. A. need B. taste C. message D. point
44. A. firmly B. completely C. hardly D. generally
45. A. deal B. defend C. survive D. observe
46. A. similarly B. differently C. gradually D. commonly
47. A. pull B. take C. break D. give
48. A. for the lack of B. in the face of C. in exchange for D. as a result of
49. A. handle B. carry C. follow D. inspect
50. A. rolling B. using C. building D. making
51. A. defeated B. recommended C. introduced D. struck
52. A. far B. long C. ever D. even
53. A. supplies B. senses C. ideas D. influences
54. A. related B. measured C. contributed D. compared
55. A. see B. cut C. get D. think
第三部分：閱讀理解（共15小題，每小題2分，滿分30分）
閱讀下列短文，從每題所給的四個(gè)選項(xiàng)（A、B、C和D）中，選出最佳選項(xiàng)。
A
VEGAN CHARITIES AND GOOD CAUSES
These are tough times for the charities, many of which will be experiencing lower levels of donations ― so if you can support them please do.
HIPPO
HIPPO is dedicated to relieving poverty and overcoming hunger and malnutrition in poor countries through the provision and production of vegan food. They help vegan orphanages and some of the poorest families in the community, and encourage and assist the development of sustainable (可持續(xù)的) agriculture and gardening.
Plants for a Future
Plants for a Future (a project based in Cornwall) researches perennial (四季不斷的), eatable and useful plants for sustainable agriculture / living. Their achievements include the creation of an online database of 7,000 plants.
Respect for Animals
Respect for Animals campaigns against the fur trade. They run the
annual Design Against Fur competition and were responsible for the anti-fur
advertising campaign of the
Vegan-Organic Trust
The Vegan-Organic Trust is a charity “devoted to education about animal-free food growing”. They produce a regular magazine and provide information for both large- and small-scale growers.
Vega Research
Vega Research campaigns on farming and human health issues. Sponsors research into vegan nutrition and the links between diet and health.
56. Which of the following campaigns against animal products?
A. Hippo B. Plants for a Future
C. Vega Research D. Vegan-Organic Trust
57. Judging from the passage, a “vegan” may be a person who _______.
A. does not eat or use animal products B. takes a position in a government office
C. is devoted to helping the poor D. helps in agriculture and gardening
58. What do all the charities and causes have in common?
A. They all deal with animal welfare. B. They are all in need of donations.
C. They all provide aid in animal caring. D. They are all about diet and health.
B
Alone in the wilderness. Nothing but jungle. A world of shadow with the rays of light falling like blonde hair from the crowns of the giant trees. Jungle in the midday sun. Everything motionless. Not a sound from sky or earth. Complete silence. Only some coconuts falling, at long intervals, very far away. The world reduced to the soft touch of cool grass along my naked back, and a sweet smell of rich soil and vegetation. Stretched out with closed eyes beside my heavy burden of fruit and firewood, I enjoyed the feeling of fresh blood streaming through every part of my body and fresh jungle air filling every corner of my lungs.
Resting motionless, I could see the sun through my closed eyelids, alone in the sky, as lonely as I, and as motionless and silent as everything else. The earth had surely stopped turning and somewhere on this planet there was supposed to be roaring traffic in busy streets. What a crazy, unbelievable thought!
Another coconut fell, to make the world come to a complete standstill. I had to roll over onto my stomach to feel that at least I could move and make noises. Then I found company. A little brown ant was struggling to find its way with a bit of dry straw through the jungle of leaves and grass below my nose. I wondered if I could give the little fellow a lift with its burden, but it showed not the slightest sign of tiredness and struggled on with all six legs, head first or head last, waving its feelers energetically as if the trip had just started. Who ever saw a tired ant? Tiredness, disagreeable tiredness, is restricted to hunted animals, slaves and modern man . It is as great an effort for an office clerk to walk five blocks with a loaded brief-case as it is for a jungle-dweller to cross a valley with a goat on his back. It is as hard to get up and climb or run when you have been seated for years as it is to get up and walk when you have been in bed for months. The body is strange. Spare it, and you get really tired for almost nothing; use it, and almost nothing makes you really tired.
I rose to my feet. I had heard a horse neighing down in the valley. Above me, on the open highland plains, there were wild horses. But down in the valley there was never a horse unless there was a man on it. Somebody was making his way up the valley and my wife was alone.
59．The author mentions coconuts’ falling to .
A．show his loneliness B．a(chǎn)dd beauty to the jungle
C．express his love of nature D．stress the absolute silence
60．How does the author feel about the ant?
A．He admired its attitude toward work.
B．He was amazed at its tireless efforts.
C．He showed sympathy for the little ant.
D．He was content to have it as a companion.
61．It can be inferred from the last paragraph that the author would probably .
A．work harder than before B．talk to the man on the horse
C．make his way home D．stay in the valley
62．We can learn from the passage that the author .
A．enjoyed being alone B．had an unforgettable adventure
C．missed his busy life in the city D．experienced a world of quietness
C
Anyone who ever wondered why a dying plant, say, a freshly-cut red rose may appeal to a lady friend, might take some comfort in science, which once again offers us a reasonable answer to one of the world’ s great mysteries.
Beyond a common preference in people for blue, “the long history of color preference studies has been described as ‘confusing and contradictory,” write scientists Anya Hurlbert and Yazhu Ling of England’ s Newcastle University, authors of a new study in the journal Current Biology. “This fact is perhaps surprising,” they said, “though the popularity of the concept that little girls differ from boys in preferring pink.”
But the scientists believe they have an answer to this scientific mystery, discovering women’s preference for red, hidden above the average liking for blue.
In their study, the pair
quickly flashed color cards, displaying many different aspects, at 208
volunteers, mostly Britishers but with a number of Han Chinese, who moved to
the
Puzzled, the authors realized that most of the difference between men and women came in the form of a preference for green VS red in the color cards, regardless of the other slight differences such as the slightly blue ones that everyone liked. Why might this be?
Evolution might offer an answer, they reason. Human color perception(感知), the assessment of three separate color types ― red ― green ― blue― in our vision (視覺(jué)) is a relatively recent addition to our line of mammals(脯乳動(dòng)物).
Adding weight to their argument, they found the women who are most typically feminine(女性的) on a psychological survey also had the biggest preference for reddish colors. “My love is like a red, red rose,” wrote the Scottish poet Rober Burns in 1794.
63. The scientists discovered the colour mystery that exists between men and women by _____.
A. giving examples B. doing experiments
C. stating causes and effects D. interviewing volunteers
64. The word “pair” in Para.4 refers to _____.
A. man and woman B. science and evolution
C. Anya Hurlbert and Yazhu Ling D. red and green
65. According to the study the scientists have carried out in the passage, _____.
A. men like blue most
B. women have preference for red besides blue
C. generally speaking boys prefer slight pink to blue
D. girls also love slight green
66. What does the first paragraph probably tell us ?
A. Science can make people feel more comfortable.
B. When we are bored, we can turn to science for help.
C. Science can make our study confusing and contradictory.
D. Scientific research contributes to people’s discovering the mystery.
D
Dancing the night away
It is a measure of how little control I have over my own life that in middle March I am escorting(護(hù)送) a pretty young redhead to a debutante ball. (A formal presentation of young ladies when they reach the age of maturity. This was originally used in the past to introduce young ladies to society so that they could meet a possible marriage partner , so it was for the upper class, the nobility (貴族)and titled families. At a debutante ball, the expensively-dressed girls stand in a line to be introduced individually. Their fathers then walk them, arm-in-arm around the dance floor, followed by a waltz.)
"Daddy, you OK?" she asks.
"Never better," I lie.
"Good," she says, hugging my shoulder and giggling (咯咯笑).
Generally, deb balls belong to the upper class, and that is decidedly not us. The other day, I was trying to figure out which to buy ― a garage door opener, or a DVD player. Both were broken, yet we could afford to replace only one. That's how "upper class" we are. We're more like "fixer upper class."
So it's a mystery how we ended up at this deb ball. Two mothers are checking for alcohol, making sure the debs aren't drinking.
Anyway, they won't let the dads eat dinner till we "present" the girls, which means we have to escort our daughters around the dance floor one by one, as the mistress (女主人) of ceremonies reads out the young lady's accomplishments.
"Trish plans to attend Stanford in the fall, where she will study molecular (分子) engineering in hopes of one day developing a way to help predict earthquakes."
On and on these introductions go. One girl hopes to grow food on Mars.
After the introductions we finally get to the Big Waltz. For the last month, the dads and daughters have all been taking lessons for the Big Waltz, under the direction of the widow (遺孀) of Otto von Bismarck. Fortunately, she is a people person.
"Forward, BACK!" she screamed, while teaching us to waltz.
Her gentle directions have worked miracles. Suddenly, on this big night, we are a well-organized team of 27 father-daughter dance pairs.
Honestly, waltzing is like math, in the sense that some people never get it.
The relative success of this Big Waltz comes as a huge relief to the mothers, who have been planning this ceremony for six years and have been a little tense lately.
In the end, everything turned out OK at the deb ball. The 27 dads developed into a fairly supportive fellowship. And the little red-haired girl? She hugged my shoulder and giggled happily, making it all ― the waltz lessons, the rental tuxedo (男士正式晚禮服), the 14 years of coaching softball ― worth every awful-wonderful moment.
67. We
know from the passage that at the debutant ball ________.
A. the mothers felt relieved after the ceremony began
B. well-dressed girls were introduced to their future husbands
C. the writer’s daughter, a red-haired girl, was the focus of attention
D. 27 father-daughter dance pairs presented a successful waltz show
68. By saying "it’s a mystery how we ended up at this deb ball" the writer suggests that _______.
A. as a member from the upper class he can attend the ball
B. it’s the first time for him to attend such a grand ceremony
C. the deb ball is usually held for rich families but his is not
D. many families want to attend the ball so it wasn’t easy for him to get in
69. According to the writer, waltzing is like math because ________.
A. both are not easy to learn
B. they are something you need a gift to learn well
C. the writer can not learn either waltzing or math well
D. girls from the upper class should learn either of them
70. The writer feels all his efforts were worthwhile because his daughter________.
A. really enjoyed the experience
B. was introduced into the upper class
C. showed her accomplishments at the ball
D. had a chance to meet a good marriage partner
第二卷（兩部分，共35分）
第四部分 任務(wù)型閱讀 (共10小題；每小題1分, 滿分10分)
請(qǐng)認(rèn)真閱讀下列短文, 并根據(jù)所讀內(nèi)容在文章后表格的空格處里填人最恰當(dāng)?shù)膯卧~。注意：每個(gè)空格填1個(gè)單詞。
The world
hasn't seen a pandemic in 41 years, when the "
The outbreak of SARS in 2003 rang alarm bells as potential pandemics. Although it jumped the "animal-to-human" barrier, neither disease changed enough to enable human-to-human infection. Strictly speaking, SARS did not become pandemics because it was too good at killing their hosts. For a pandemic, it needs to be able to maintain human-to-human contact without killing its host off.
" H1N1 flu is already a man-to-man disease, which makes it much more difficult to manage. And H1N1 flu appears much more infectious than SARS."
But the WHO warns, it cannot say whether or not it will indeed cause a pandemic. According to experts, here's what the world might see if there is another pandemic, based on past experience:
The disease would skip from city to city over an 18-to-24 month period, infecting more than a third of the population. World health Organization officials believe as many as 1.5 billion people around the globe would seek medical care and nearly 30 million would seek hospitalization. Based on the last pandemic and current world population, as many as 7 million people could die. Hospitals will become overcrowded, schools will close, businesses will close, airports will be empty. Business will become very bad, as people avoid as much social contact as possible.
Health facilities will become overrun with patients and there would be less-than-adequate staffing, as medical health professionals fall ill themselves and that would result in higher deaths.
The very young and very old will likely be the most susceptible(易受感染的) to the illness. Experts warn, much is still unknown about the current H1N1 flu virus and its severity and it is too early to say whether it will lead to a pandemic. Right now, the focus is on finding answers and controlling the spread.
Title: It’s Not a Pandemic yet!
Three diseases mentioned
● “Hong Kang” flu
● 72
● H1N1 flu
Some 71 about SARS and H1N1 flu
● SARS didn’t change 73 to enable sustained
human-to-human infection.
● SARS was very good at killing its 74
● A man with H1N1 flu can infect 75 man.
● Comparing SARS and H1N1 flu, SARS is not 76
infectious.
Possible consequence of H1N1 flu
● The disease would 77 very fast.
● Around 1.5 billion people in the world will need 78 care.
Experts’ 79
Much is still unknown about 80 H1N1 is leading to pandemic or not.
第五部分 書(shū)面表達(dá)（滿分25分）
隨著信息技術(shù)的快速發(fā)展，網(wǎng)絡(luò)語(yǔ)言以其快捷的傳播方式進(jìn)入了人們的生活。根據(jù)某機(jī)構(gòu)最近對(duì)某市中學(xué)生的調(diào)查，發(fā)現(xiàn)中學(xué)生對(duì)網(wǎng)絡(luò)語(yǔ)言的使用看法不一，結(jié)果如下：
支持者
1. 網(wǎng)絡(luò)語(yǔ)言是信息時(shí)代發(fā)展的產(chǎn)物，是草根文化的新形式；
2. 易懂，易學(xué)，使用快捷方便；
3. 網(wǎng)絡(luò)語(yǔ)言很酷很有趣，豐富了校園文化生活，緩解了學(xué)習(xí)壓力。
反對(duì)者
1. 有些網(wǎng)絡(luò)語(yǔ)言粗魯，庸俗；
2. 漢語(yǔ)言是傳統(tǒng)文化的基礎(chǔ)，過(guò)多地使用網(wǎng)絡(luò)語(yǔ)言會(huì)使下一代逐漸淡忘傳統(tǒng)文化；
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請(qǐng)給21世紀(jì)英語(yǔ)報(bào)寫(xiě)一遍題為Is cyber language dangerous？的報(bào)導(dǎo)，陳述以上的調(diào)查結(jié)果并發(fā)表你自己得的看法。
注意：1. 不要逐條翻譯，可適當(dāng)發(fā)揮；
2. 詞數(shù)150字左右；開(kāi)頭已寫(xiě)好，不計(jì)入總詞數(shù)；
3. 參考詞匯： 草根文化 grass-roots culture; 庸俗 vulgar
Is cyber language dangerous ？
With the development of information technology, cyber language has stepped into our life and is spreading rapidly. According to a survey recently conducted among high school students, there are various views about the use of cyber language.
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江蘇省南京市第十三中學(xué)2009屆高三第三次模擬試卷 數(shù) 學(xué) 試 卷 2009.5
注意事項(xiàng)：
1．本試卷共160分，考試時(shí)間120分鐘．
2．答題前，考生務(wù)必將自己的學(xué)校、姓名、考試號(hào)寫(xiě)在答題紙上．試題的答案寫(xiě)在答題紙上對(duì)應(yīng)題目的答案空格內(nèi)．考試結(jié)束后，交回答題紙．
參考公式：
一組數(shù)據(jù)的方差2009屆高三第三次模擬試卷---數(shù)學(xué).files/image002.gif)
，其中2009屆高三第三次模擬試卷---數(shù)學(xué).files/image004.gif)
為這組數(shù)據(jù)的平均數(shù)．
江蘇省南京市第十三中學(xué)2009屆高三第三次模擬試卷政治
“晝夜”現(xiàn)象及相關(guān)問(wèn)題
廖立新（四川榮縣正紫中學(xué) 643111）
內(nèi)容說(shuō)明：地球運(yùn)動(dòng)所產(chǎn)生的各種現(xiàn)象中，晝夜現(xiàn)象是一個(gè)既普通（與生活緊密聯(lián)系）又有一定難度（需要調(diào)動(dòng)空間思維與想象）的地理現(xiàn)象，又與正午太陽(yáng)高度的年變化和太陽(yáng)高度的日變化等交織在一起，學(xué)生學(xué)習(xí)有一定困難，所以，有必要建立若干專題加以解決。
本專題就力求對(duì)晝夜現(xiàn)象和一些相關(guān)問(wèn)題做一總結(jié)。
關(guān)鍵詞： 晝夜形成 晝夜表示 晝夜交替 晝夜長(zhǎng)短 晝夜交替周期的特殊感覺(jué)
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