2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Welcome to the unit Period 1
班级___________学号_______姓名___________
一、单项选择。
( ) 1. Would you like to tell me ________ about MH370?
A. anything important
B. important something
C. important anything
D. something important
( ) 2. —Why do you like light music?
—_________it can make people feel relaxed after a day’s hard work.
A. As
B. For
C. Because
D. Since
( ) 3. When I see some _______animals in Nanjing Hongshan Zoo, I feel _______.
A. amazed; amazing
B. amazing; amazing
C. amazed; amazed
D. amazing; amazed
( ) 4. More and more musicians want to learn _______about country music.
A. a lot of
B. lots of
C. a lot
D. lot of
( ) 5. —Which would you like, rice or noodles? —_______is OK. I’m hungry.
A. Either
B. Neither
C. Both
D. All
( ) 6. My family and I had a (n) _____ trip in Taiwan because of the typhoon and rainstorm.
A. suitable
B. unpleasant
C. comfortable
D. impatient
( ) 7. Which is NOT a kind of art form in the following?
A. Painting
B. Travelling
C. Photography
D. Film
( ) 8. —I must go now. My plane is ready to board. —Goodbye.__________________.
A. Don’t worry
B. With pleasure
C. So would I
D. Have a pleasant trip
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. The ____________ (电影) starts at nine o’clock.
2. What art f _____________ do you like best? —I like music best.
3. —What do you like, Lucy? —I like _______________ (画画).
4. I p____________ rock music because it’s exciting.
5. There is going to be a ____________ (才能) show at our school hall in two days.
6. The Elizabethan period was the golden age of English ____________ (戏剧).
7. He was my ____________ (音乐的) partner and my friend.
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. Liu Huan’s musical talent is so ______________ (amaze).
2. My parents are ______________ (please) with my progress in Chinese.
3. Last Sunday I saw an _______________ (pleasant) thing in the park—trash lay everywhere.
4. How beautiful the Chinese _____________ (paint) are!
5. The great _____________ (art) is famous for his amazing use of colours and shapes.
6. Sandy plays the piano very well. She is a _____________ (music) girl.
7. Let’s stop _____________ (have) a short rest.
8. I prefer staying at home to ___________ (go) out on rainy days.
三、根据所给汉语完成下列句子，每空词数不限。
1. 埃米，你最喜欢什么艺术形式？
_________________________do you like best, Amy ?
2. 为什么你停止玩电脑游戏啦？因为我已经发现比他更令人愉快的事情了。
—Why do you __________________computer games?
—Because I’ve found __________________________________than it.
3. 朗朗擅长弹钢琴，他的音乐才华是令人惊奇的。
Lang Lang is good at playing the piano. His _____________________ is amazing.
4. 我父亲小的时候更喜欢呆在家里看小说。
My father ________________________________ and read a novel when he was young. 四、完形填空。
“Never give up!” It is my law(法则) of life. It has brought me __1__. I learned the law from my father's __2__ story.
My father was __3__ in a poor village in the north of Jiangsu，in China. When he was a young boy，he went to school in the morning，then __4_ in the fields till sunset. And then he did his homework __5__ midnight. Life was hard，because they had no __6__！
At the age of 14，my father heard of the United States of America. It was the land of gold，the land where __7__ people can become rich. “__8___don't I go to America？” he thought to himself，full of hope.
So，my father came to America. “I had thought it was easy to __9__ money in America，” he told me. “But when I arrived there，I realized it was not true. They did not like to hire(雇佣) me because I spoke __10__English. Later，I worked in a small restaurant，cleaning up tables，__11____dishes and sweeping the floor. Life was __12__ for the first few years. I worked from 10 a. m. to 11 p. m. I wanted to go to school to learn English，but it was impossible. I couldn't __13_ the schooling(学费). ”My father __14__ working hard，and reached his goal. “Alan，” he often says to me. “If you want something，you have to work for it and never give up. Things do not come __15__ in life. ” That is what I learned from my father.
( ) 1. A. disaster B. loss C. success D. pity
( ) 2. A. Life B. fashion C. danger D. history ( ) 3. A. famous B. lucky C. rich D. born
( ) 4. A. taught B. worked C. studied D. slept
( ) 5. A. until B. towards C. for D. during ( ) 6. A. experience B. energy C. time D. money ( ) 7. A. kind B. poor C. strong D. lazy
( ) 8. A. What B. How C. Why D. When ( ) 9. A. discover B. make C. collect D. spend ( ) 10. A. little B. good C. much D. excellent ( ) 11. A. giving B. running C. washing D. receiving ( ) 12. A. comfortable B. cheerful C. nice D. hard
( ) 13. A. borrow B. need C. afford D. pay
( ) 14. A. kept B. finished C. minded D. stopped ( ) 15. A. really B. easily C. quietly D. slowly
2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Reading I Period 2
班级___________学号_______姓名___________
一、单项选择。
( ) 1. —Do you know the song Gangnan Style? —Of course. It __________ interesting.
A. tastes
B. smells
C. sounds
D. feels
( ) 2. __________ she had no money to afford the expensive car, she had to give it up.
A. So
B. Before
C. Until
D. Since
( ) 3. His new work was a great _______, and he is a _________ composer.
A. success; successful
B. successful; successful
C. success; success
D. successful; success
( ) 4. I still remember my first teacher_______ we haven’t seen each other for many years.
A. for
B. because
C. since
D. though
( ) 5. He has been _______the Award for Best Actor several times.
A. got to know
B. presented with
C. taken part in
D. played the role ( ) 6. The singer is famous _________ her beautiful voice.
A. as
B. with
C. for
D. in
( ) 7. Mo Yan is known _________ a writer.
A. of
B. for
C. as
D. in
( ) 8. —How do you like the concert given by F.I.R?
—Exciting, _________one piece of the music wasn’t played quite well.
A. though
B. because
C. so
D. and
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. Nie Er is one of the greatest ___________ (作曲家) in China.
2. ___________ (中央的) Park is far away from here. You’d better take a bus there.
3.Tan Dun doesn’t use any musical ___________ (乐器) in his work “Water”.
4. There are lots of huge ___________ (石头) in the mountain.
5. Whose ___________ (物品) are those? Please put them in order.
6. T__________ he has read the book three times, he hopes to read it again.
7. This is a piece of ______________ (not special) news on such an ordinary newspaper.
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. He went on ____________ (study) in the USA after graduating from university.
2. The music at the party _____________ (write) by my father.
3. Driving safety can be realized by ___________ (control) the speed of the car.
4. A medal ______________ (present) to the pop star at the ceremony yesterday.
5. Ann Lee, as a director, is famous for ____________ (win) an Oscar for his film Crouching
Tiger, Hidden Dragon.
6. Do you like the sounds of the _____________ (rush) water?
7. David was a famous _______________ (music) years ago, but he plays no longer.
8. The Mid-Autumn Festival is a ______________ (tradition) Chinese festival.
三、根据所给汉语完成下列句子，每空词数不限。
1. 谭盾1958年出生于中国湖南省的中部地区，他是在浏阳河边长大的。
________in 1958 in central Hunan, China, Tan Dun __________________ the Liuyang River.
2. 在美国，他开始认识来自世界各地的伟大的音乐家。
In the USA, he ___________________ great musicians ________________________.
3. 作为一位作曲家，他认为最美妙的音乐来自于大自然。
___________________________,he thinks the best music ___________________________.
4. 当我的堂弟很小的时候，他就对音乐产生了兴趣。
My cousin _______________________________ music when he was very young.
5. 我作品的宗旨就是梦想无边。
The principle of my works is _____________________________________.
四、阅读理解
Can you imagine a world without the Internet? It’s surprising to think about it.
Now, China has more than 162 million Internet users, according to the China Internet Network Information Centre. This is the second highest number of user in the world after the United States. Today, 66%of Chinese “netizens （网民）” are teenagers. “They spend abo ut thirteen hours every week online,” said Qian Hulin, an Internet expert(专家). Doctor Song in Beijing Xuanwu Hospital said about 14% of Chinese netizens who are teens often lasted over ten hours to play online games.
The main reasons why teenagers surf the Web are to search for information, to communicate with others and to have fun. On the Internet, teenagers can find out almost anything. And surfing the Web can help students with their homework and widen their knowledge.
Li Dong, a teacher at No. 41 Middle School in Shijiazhuang, likes her students to use the Internet. “When we talk in class, students who surf the Net usually know more background information than the others,” she said.
In addition, people can use the Internet to write letters or stories and send emails. Many teens keep in touch with their friends online. It is cheaper than phoning somebody far away and also much quicker.
( ) 1. _______ has the most Internet users in the world according to the article.
A. China
B. America
C. Canada
D. Russia
( ) 2. There are about _______ Chinese netizens to surf about 13 hours every week.
A.107 million old
B. 22.7 million old
C. 107 million young
D. 22.7 million young ( ) 3. Song said some teenagers continued _______ more than ten hours.
A. playing online games
B. searching for information
C. chatting with their friends
D. sending emails to others
( ) 4. Li Dong in No. 41 Middle School likes her students to use the Internet because she __.
A. thinks surfing the net can help students spend less time on homework
B. thinks her students can get more background information than the others
C. wants her students to talk to her about their hobbies and interests
D. wants to know what her students do and think about at home
( ) 5. Which way is the cheapest and quickest to learn something about friends far away?
A. Giving them a call.
B. Going to see them.
C. Writing a letter to them.
D. Sending emails to them.
2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Reading II Period 3
班级___________学号_______姓名___________
一、单项选择。
( ) 1. Today it’s normal for married women to go out for work, but it was _____in the past.
A. common
B. more common
C. less common
D. the most common ( ) 2. This kind of dress is _______this year, and I really want to get one.
A. in danger
B. in trouble
C. in style
D. in use
( ) 3. ________ wonderful talent show they performed in our school yesterday!
A. What a
B. What
C. How
D. How a
( ) 4. After reviewing the new words, he __________ the text.
A. went on to explain
B. went on explaining
C. preferred to explain
D. stopped explaining
( ) 5. She ___________live alone. But she _________living alone because she feels lonely.
A. used to; doesn’t used to
B. is used to; was used to
C. used to; is not used to
D. was used to; doesn’t used to
( ) 6. _________he likes the sounds of nature, he uses them a lot in his music.
A. Though
B. As
C. Because
D. With
( ) 7. You can improve your English _______ practicing more .
A. by
B. with
C. of
D. in
( ) 8. Boys and girls, feeling peaceful is the first step to become ______ in the exam.
So please take a deep breath and calm down.
A. runners
B. winners
C. players
D. singers
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. My dream is to be a ______________ (音乐家) when I grow up.
2. John could dance well _____________ (没有) music.
3. After hundreds of experiments, Edison _____________ (成功地) invented the light bulb.
4. My little brother is interested in all kinds of i ______________. He has musical talent.
5. Bowls, chopsticks, knives and so on are everyday o ____________ in life.
6. As soon as the b____________ rings, all the students get out of their classrooms.
7. The white pollution here has been c ____________ during the past three years.
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. Without ______________ (say) goodbye, he left the room in a hurry.
2. There are many ____________ (west) restaurants along the Renmin Road.
3. You should knock at the door before ____________ (enter) the room.
4. There is a _____________ (divide) line between you and me .
5. The traffic lights ____________ (control) by a central computer.
6. Look! The teenagers are making cards _____________ (show) love for their mothers.
7. —Why are you so happy today? —Because I __________ (win) the badminton match.
8. His music is _____________ (dream) without boundaries.
三、根据所给汉语完成下列句子，每空词数不限。
1. 因为他喜欢周杰伦的音乐，在他的电影中使用了很多他的音乐。
As he likes the music of Jay Chou’s , he ______________________________ .
2. 读完这本书不同人的脑海里会产生不一样的画面。
After reading the book, it will ________________________________________.
3. 谭盾是世界上最伟大的作曲家之一。
Tan Dun is ________________________________________ in the world.
4. 我通过控制游泳的速度最终游过了这条河。
I finally swam across the river _________________________________________ .
5. 我能用一些普通的东西，比如石头、纸，做出精美的艺术品。
I can make beautiful art works _____________________________________ .
四、书面表达。
下面是一张关于谭盾的简介表格，请你围绕表格中的信息写一篇关于谭盾的介绍。
_____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Grammar Period 4
班级___________学号_______姓名___________
一、单项选择。
( ) 1. Mo Yan’s books have been sold out in many bookstores_________ his winning of the Nobel Literature Prize.
A. because
B. since
C. as
D. because of ( ) 2. I’ll help you with your study_________ you didn’t do well in it.
A. so
B. until
C. since
D. though ( ) 3. —_________ is the street crowded with so many people?
—Because they are waiting to watch the boat races.
A. Why
B. Where
C. How
D. Who ( ) 4. It must have rained last night, _________ the street is wet.
A. although
B. but
C. because
D. so ( ) 5. —I’ll go to the USA next month. —_________ for?
A. Why
B. How
C. Which
D. What ( ) 6. _______ a football fan, he is looking forward to ________ the coming World Cup.
A. As; watch
B. For; watch
C. As; watching
D. For; watching ( )7. —Tim and I will visit the exhibition this weekend. Would you like to join us?
—_________
A. Well done
B. That’s right
C. You are welcome
D. I’d love to ( ) 8. —Could you tell me _________ yesterday?
—Because my bike was broken on my way here.
A. why you came late
B. why do you come late
C. why you come late
D. why did you come late
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. I’m so excited to receive a free ticket to an ____________ (歌剧).
2. Sandy will design a _______________ (海报) for the art festival.
3. Why do people think _______________ (高度地) of his film.
4. I decided to play the v _______________ at the party.
5. She got there out of b _______________ because there was too much traffic on the road.
6. We should get close to _______________ (自然).
7. My mum has c _______________ a new type of dish and it’s delicious.
8. He is able to build a b _______________ over the river.
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. Soon we saw Mary _______________ (run) towards us.
2. The film _______________ (start) in five minutes. Let’s hurry.
3. My father suggests _______________ (leave) for the airport in his car at once.
4. We didn’t get ___________ (boring) at all because the drama was really interesting.
5. Rub this oil into your skin and your headache will soon _______________ (appear).
6. She can draw very _______________ (good ).
7. Be _____________ (quick), or we’ll be late.
三、根据所给汉语完成下列句子，每空词数不限。
1. 他到达的时候上气不接下气，然后他匆忙地进了电影院。
He arrived _________________, then he _________ _________ the cinema.
2. 据说艺术节对所有人开放。
It is said that the art festival _________ _________ _________ everyone.
3. 为什么人们高度评价他的音乐作品？
Why do people _______________________ his musical works?
4. 为什么你们一点儿也没感到乏味？
Why didn’t you _________ _________ at all.
5. 我们最好快点，电影已经开始五分钟了。
We’d better be quick because the film _______ _______ _______ 5 minutes.
四、任务型阅读(每空限填一词)
How to beat sadness
We all have days when we are down, tired and unhappy. That’s OK. You need days like this, or how would you know you are happy? You’ll enjoy your good days even more when you have a few bad days. Even if sadness is a part of life, let’s try to make it small. Here are a few simple ways to help you feel better when you are feeling sad.
1. Stand up straight and this helps your energy flow(流动). When your energy is flowing freely, you can flow too.
2. Smile! It’s easy to do and have good results. This way can not only leave you in a good mood but also bring others a good mood.
3. Listen to music. It can be your favorite music. Some kinds of music work better than others ,so try and find out what kind of music works the best for you.
4. Take some “me”time. You can find pleasure in reading a book, watching a sunrise or having a hot bath, or something like that.
5. Exercise. Even something as simple as taking a walk will get your blood flowing. It is a great way to clear your mind of anything that makes you sad.
These ways will cheer you up when you are down, but don’t just use them when you are sad. Try and practice them every day to make them a habit. You will be surprised to learn that these simple ways will keep your sadness away. But if you are in a deep depression(沮丧), go to see a doctor.
1. ____________
2. ___________
3. ___________
4. ____________
5. ___________
6. ____________
7. ___________
8. ___________
9. ___________ 10. ___________
2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Integrated skills Period 5
班级___________学号_______姓名___________
一、单项选择。
( ) 1. We held a concert in the hall yesterday, and Kate sang ________ among the singers.
A. good
B. well
C. better
D. best
( ) 2. —How do you like the concert given by F.I.R.?
—Exciting, ______ one piece of the music wasn’t played quite well.
A. though
B. because
C. so
D. and
( ) 3. —If you’re free tonight, how about having dinner together? —_________.
A. It doesn’t matter
B. That’s all right
C. All right
D. Not at all ( ) 4. There_________ a music show during the art festival.
A. is going to have
B. will have
C. will be
D. are going to be ( ) 5. _________ his mother was cooking in the kitchen, the boy fell asleep in the chair.
A. Since
B. While
C. Because
D. As
( ) 6. He had to start to work at early age, _________ his family was very poor.
A. if
B. but
C. because
D. or
( ) 7. —Would you like to go out to play football with me?
—_________, but I should finish my homework first.
A. It’s hard to say
B. You’re welcome
C. I’d love to
D. You’re right ( ) 8. I want to relax myself right now. Would you please change to _________ music?
A. sad
B. loud
C. exciting
D. gentle
( ) 9. —_________ will Mrs Lin go to Germany? —To see her daughter there.
A. How
B. When
C. Why
D. What
( ) 10. —What shall we do now?
—_________ it’s raining hard , let’s stay at home.
A. So
B. Since
C. Though
D. If
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. We are having fish for dinner _________________ (今晚).
2. Gold has a lasting _________________ (价值).
3. The young man practices playing the g _________________ every evening.
4. With the help of a l_________________ guide, they reached the mountain top at last.
5. Tom has been used to living in the _________________ (乡下).
6. I will go to a folk _________________ (音乐会).
7. Cowboys often use _________________ (鼓).
8. Michael Jordan is a great _________________ (美国人).
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. Are there any _________________ (value) things in the old house?
2. Tan Dun is a world-famous and _________________ (create) composer.
3. She is very musical, and she will be a great _________________ (music) in the future.
4. Among these young musicians, Linda likes _________________ (class) music best.
5. Rock was first created by African _________________ (America).
6. The children often get _________________ (noise) in the classroom after class.
7. Tom was _____ (interest) in Chinese history after he came to China and he read a lot about it.
三、根据所给汉语完成下列句子，每空词数不限。
1. 古典音乐有永恒的价值。
______________ _______________ has a _____________ _____________.
2. 本周六在中心广场有各种各样的音乐会。
There are ___________ ___________of ___________ this Saturday at Central Square.
3. 后来我确实创造了一些美妙的音乐。
I really ____________ _____________some _______________ music later.
4. 我的音乐就是梦想无边。
My music is to ___________ ____________ ________ .
5. 我们在剧院门口见面好吗？
Shall we meet __________ ___________ ___________ ___________ theatre.
四、根据短文内容及首字母提示完成短文。
What does Britain make you think of? Its royal(王室) family or fish and chips? In fact, Britain is (1) f_________ for forming queues as well. From the supermarket to the underground, queues are everywhere.
I used to think people (2) s_________ queue in China. But I was wrong. You can also see queues everywhere. It is a part of (3) d_________ life. People queue most of the time. They queue to buy tickets in the cinema or when waiting at a restaurant. Most Chinese are (4) u_________ to waiting in a queue.
But sometimes you’ll find (5) y_________ in the middle of a rush, for example, getting onto the underground. Even away from the busy underground platform (站台), queues are different. One day I remembered standing in line at the supermarket. I left a small (6) s_________ in front of me. Within seconds, a girl walked by and took her place in front of me.
I was a (7) b_________ surprised at first, and then a bit angry. And later I smiled. I found these (8) e_________ were very interesting. These small differences help me learn about a new (9) c_________. Sometimes Chinese are less polite because they are less (10) p_________. And there are usually more people in cities. And of course, queue jumpers are always unpopular.
1. _________
2. __________
3. __________
4. _________
5. _________
6. _________
7. _________
8. _________
9. _________10. _________
2014-2015学年度第一学期初三英语课时作业
9A Unit5 Art world Study skills & Task Period 6
班级___________学号_______姓名___________
一、单项选择。
( ) 1. —Mr Li _________ to a student when I entered the classroom this morning.
—He is very patient _________ he is young.
A. talking; but
B. talks; though
C. was talking; though
D. talked; however ( ) 2. —Do you know the differences________ two boys?
—Sorry, I don’t know.
A. among
B. between
C. with
D. about
( ) 3. Study hard, ________ you will fall behind the others.
A. and
B. but
C. or
D. though
( ) 4. He was ________usual farmer several years ago. But now he is _______famous singer. He can play ______ piano.
A. an; a; the
B. a; a; the
C. an; a; /
D. a; a; /
( ) 5. The teachers encourage their students to _______the problems by themselves, and in this way students can enjoy success.
A. give up
B. work out
C. look through
D. think of
( ) 6. He is too heavy, he has decided _____ some exercise to keep healthy.
A. to take
B. not to take
C. take
D. do
( ) 7. Don’t be crazy about computer games, _____ your parents will be worried.
A. and
B. or
C. but
D. so
( ) 8. —Which dress do you like best, Madam? —Sorry, I can’t decide _______now.
A. to buy which one
B. buy which one
C. which one to buy
D. which I should buy it
二、词汇。
A)根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词。
1. My parents think I have a real _____________ (天赋) for instructions.
2. People ran in all d ___________ and shouted in fear.
3. I am sure I don’t deserve so much _______________ (赞扬).
4. Do you notice the _____________ (斑点)on the paper?
5. Jack got a model car as the 10th birthday____________ (礼物).
6. Could you help me ___________ (混合) the paint with water？
7. He is c __________ about playing computer games.
B)根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. —How long ___________ Linda ____________ (be) crazy about painting?
—Since she was a child.
2. When did Jim become interested in_________________ (make) kites?
3. Do you enjoy ______________ (you) in the world of colors?
4. I think I need ____________ (spend) more time on painting.
5. Peter_________________ (play) with his pet dog at home when I saw him yesterday.
6. Jim dreamed to be a _____________ (music) in the future.
7. This kind of wine is made in a_______________ (traditional) way.
8. My teachers and classmates think I have a real talent for __________________ (paint).
三、根据所给汉语完成下列句子。
1. 当地震发生的时候，人们向四面八方跑去。
When the earthquake happened, people _________ _________ _________ _________.
2. 老师鼓励他们的学生自己解决问题。
The teachers ________their students ______ ________ _______the problems by themselves.
3. 我所有的老师和同班同学表扬了我为艺术做的设计。
All my teachers and classmates___________ my designs __________ ____________
__________ ____________.
4. 开始，王教授认为我很有弹钢琴的天赋
In the beginning, Professor Wang thinks I _______________ ____________ ____________ _________ for playing the piano.
5. 你何时对文学产生兴趣的？
When did you _________ ___________ ____________ ____________?
四、书面表达。
写一篇有关你最喜爱的艺术形式的短文，不少于80个单词。艺术形式不限，如：画画，剪纸，乐器等，可以参考以下句式:
I have a real gift for…
I become interested in…when I was…
I once did not like…because …
I forgot…until…
Since then, I have been crazy about…
I enjoy myself…every time…
____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________
课时提升作业（三十三） (45分钟100分) 一、选择题(包括10小题,每小题5分,共50分) 1.(2013·福州模拟)某生态系统有四种生物,并构成一条食物链。在某一时间确定这四种生物(甲、乙、丙、丁)所含有机物总量的比值如右图所示。在一段时间内,若种群乙的有机物总量的比值增大,则引起的变化应是图示中的( ) 2.下图是某草原生态系统中部分食物网图,据图判断下列说法正确的有( ) ①图中所有生物构成一个生物群落 ②图中食物网共有4条食物链 ③蛇处于不同营养级 ④青蛙和蜘蛛的关系不只是捕食 A.①②③④ B.②③④ C.②③ D.②④ 3.关于生态系统中分解者的叙述,正确的是( ) A.专门营腐生生活的细菌也不一定是分解者,而有可能是生产者和消费者
B.分解者将动植物遗体中的有机物分解成无机物,可以供硝化细菌再利用 C.分解者分解动植物遗体释放出来的能量,可供绿色植物同化作用再利用 D.微生物不一定都是分解者,分解者一定是微生物 4.(2013·龙岩模拟)下图表示生态系统中生物的部分代谢过程。下列有关叙述错误的是( ) A.能进行①过程的生物肯定属于生态系统中的生产者 B.能进行②或者③过程的生物肯定属于生态系统中的消费者 C.分解者不能进行①过程 D.分解者可以进行②或者③过程 5.下图为Ⅰ和Ⅱ两种生物在温度变化时耗氧量的变化情况,则两种生物在生态系统成分中分 别最可能是( ) A.Ⅰ是生产者,Ⅱ是消费者 B.Ⅱ是生产者,Ⅰ是消费者 C.Ⅰ和Ⅱ都可能是消费者或生产者 D.Ⅱ只能是生产者 6.生态系统是指将植物、动物和微生物群落及它们生活的无机环境作为一个生态单位,其各组成成分交叉作用形成的一个动态复合体。下列对图示的叙述不正确的是( )
Ⅰ. 语言知识及应用(共两节满分45分) 第一节完形填空(共15小题；每小题2分，满分30分) 阅读下面短文，掌握其大意，然后从1—15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 I’m going to share my most embarrassing experience in life with you. It turned out to be one of my life’s most valuable 1 . This summer, I 2 a dance camp organized by the high school dance team. We went to learn new tricks, techniques and knowledge about the art of dance. I arrived at the camp, being very 3 of my ability to be a good dancer; of course I was 4 high marks and praise. My rich experience and long time in the dance team qualified me for the top class, which I felt was a right 5 . However, when the class began I 6 that I did not know as much as I thought I did. My over-confidence 7 me to fall flat on my face. It seemed as if every girl in the class could perform challenging jumps, leaps and other 8 tricks except me. All of that ―former experience‖got me nowhere. Because of that I became discouraged and wanted to 9 immediately. My frustration kept me from doing my best. As a result the final performance was nothing but embarrassing. On the stage I 10 forgot how to dance and most of the time I just stood there, looking 11 , while the other girls performed like professionals. How embarrassing it was! From this experience I 12 that people are sometimes not as good at something as they think they are; there is always someone out there that can do it 13 than you. I also learned that there is always room for 14 , and I should do my best whatever the situation is. I know if I do not try my best, I will 15 even before I begin. 1. A. lessons B. jokes C. lectures D. expressions 2. A. attended B. checked C. supported D. started 3. A. worthy B. confident C. fond D. aware 4. A. showing B. expecting C. receiving D. wasting 5. A. suggestion B. method C. decision D. style 6. A. hoped B. pretended C. realized D. explained 7. A. caused B. allowed C. cheated D. advised 8. A. strange B. difficult C. simple D. funny 9. A. perform B. struggle C. survive D. quit 10.A. completely B. quickly C. probably D. hardly 11.A. happy B. stupid C. amazed D. surprised 12.A. remembered B. lied C. concluded D. wondered 13.A. better B. deeper C. faster D. wider 14.A. improvement B. experienced C. success D. creation 15.A. fall B. fear C. hesitate D. fail 二、语法填空（共10小题；每小题1.5分，满分15分） 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格注填入一个适当的词或使用括号中词语的正确形式填空 Somebody once asked me how to be peaceful and happy. I thought the question was easy to answer: Don't attach yourself to anything__16_____ you will be peaceful and happy. But then quite some time later, I discovered this direct and simple answer may not work for all people.
Unit 5 Section Ⅲ Ⅰ.单词拼写导学号 49152515 1．Under the doctor's careful _treatment__，your father is sure to get over it. 2．More than 1,000 students attend the adult_ceremony__(仪式) in the hall every year. 3．Transferring to another school made a great _difference__to the shy girl. 4．An _ambulance__arrived only eight minutes after they dialed 120. 5．The bank will bring_pressure__(压力)to bear on you if you don't pay. 6．The young firemen showed great_bravery__(勇气) in face of danger. 7．We should_apply__(应用) this theory to practice. 8．He was _awarded__(给予荣誉) in many ways for his contributions to the country. Ⅱ.选词填空导学号 49152516 put one's hands on，a large number of，be proud of，a good knowledge of，cut off，at present，be involved in，apply...to... 1．Our English teacher has_a_good_knowledge_of__English. 2．His mother_is_proud_of__what he has achieved in study. 3．There are_a_large_number_of__foreign students in my school. 4．I_put_my_hands_on__my lost wallet at the corner of the street. 5．These tourists were_cut_off__from outside because of the snowstorm. 6．We are very busy_at_present__. 7．We_were_involved_in__the negotiation up until the last minute. 8．This is the first time that the doctor has_applied__this treatment_to__cancer. Ⅲ.单句改错导学号 49152517 1．Was it the cat which broke the window? _which→that__ 2．She finally put the hands on her lost keys. _the→her__ 3．I will treat you with lunch. _with→to__ 4．There is no doubt whether Liu Xiang can win. _whether→that__ 5．What the teacher said applies only with some of them.
Unit 5 The power of nature 1.★考点appoint vt.任命;委派 appoint sb.as/to be 任命某人担任…… appoint sb.to do sth.指定某人做某事 make/fix an appointment 约会,预约 2.★考点burn to the ground 把……烧光;全部焚毁burn to the ground 把……烧光;全部焚毁 burn...to death 烧死…… burn down 烧毁,烧光 get burnt 被烧伤;遭殃 3.★考点be about to do...when... 正要做……,这时……be about to do...when... 正要做……,这时…… be doing...when... 正在做……就在这时…… had (just) done...when... 刚做完……这时…… be on the point of doing...when... 正要做某事这时… 4.★考点make one’s way to/towards 前往;向……走去make one’s way 前往;向……走去;成功,有所成就
give way for 让路;让位于 feel one’s way 摸索着前行 on one’s/the way 在去……的路上 lose one’s way迷路 5.★考点shoot v.(shot,shot)射击,射中 辨析shoot/shoot at 6.★考点anxious adj.忧虑的;不安的 anxiety n.焦虑 anxiously adv.焦急地 be anxious to do 渴望做…… be anxious for/about 为……担心/担忧 7.★考点panic vt.& vi.恐慌;惊慌 温馨提示 panic 的过去式、过去分词均为panicked,动词-ing形式为panicking。be/feel panic over/about 因……而恐慌
第 1 页 共 7 页 高中生物 高三一轮课时提升作业 必修2 4基因的表达 (45分钟 100分) 一、选择题(包括10小题,每小题5分,共50分) 1.tRNA 与mRNA 碱基互补配对现象可出现在真核细胞的 ( ) A.细胞核中 B.核糖体上 C.核膜上 D.核孔处 2.(2013·温州模拟)图示DNA 分子片段(基因)控制蛋白质的合成过程,下面的说法错误的是( ) 基因 错误！未找到引用源。A T C T A G ----??----?①………… ②………… 信使RNA ③……-A-U-C-…… 转运RNA ④……-U-A-G-…… 氨基酸 ⑤……—异亮氨酸—…… A.图中包含8种核苷酸 B.DNA 双链中②为模板链 C.在③链上可以有若干个核糖体同时进行工作 D.⑤代表的氨基酸只能由一种特定转运RNA 搬运 3.下图表示在人体细胞核中进行的某一生命过程,下列说法正确的是( ) A.该过程共涉及5种核苷酸 B.在不同组织细胞中该过程的产物相同 C.该过程需要解旋酶和DNA 聚合酶 D.该过程涉及碱基互补配对和ATP 的消耗 4.下列有关基因控制蛋白质合成的叙述,正确的是( ) A.一个密码子只决定一种氨基酸,一种氨基酸只由一种tRNA 转运 B.该过程需要含有三个高能磷酸键的ATP 提供能量 C.该过程一定遵循碱基互补配对原则,即A 一定与T 配对,G 一定与C 配对 D.DNA 转录和翻译的原料分别是核糖核苷酸和氨基酸 5.图甲表示RNA 的基本组成单位,图乙表示蛋白质的合成过程。下列对两图的叙述不正确的是( )
第 2 页 共 7 页 A.图甲中y 代表核糖,z 代表含氮的碱基 B.图甲与DNA 基本组成单位的不同在于y 和z C.图乙所示的过程不遵循碱基互补配对原则 D.图乙中mRNA 上的终止密码子位于b 端 6.(2013·绍兴模拟)如图为人体对性状控制过程示意图,据图分析可得出( ) A.过程①②都主要在细胞核中进行 B.食物中缺乏酪氨酸会使皮肤变白 C.M 1和M 2不可能同时出现在同一个细胞中 D.老年人细胞中不含有M 2 7.下列有关如图所示的生理过程(图中④代表核糖体,⑤代表多肽链)的叙述,不正确的是( ) A.图中所示的生理过程包括转录和翻译 B.图中所示的过程发生在原核细胞中 C.遗传信息由②传递到⑤需要RNA 作媒介 D.图中①在该过程中不起作用,由此可确定①在遗传上不具功能 8.已知AUG 、GUG 为起始密码子,UAA 、UGA 、UAG 为终止密码子。某原核生物的一个信使RNA 碱基排列顺序如下: A-U-U-C-G-A-U-G-A-C ……(40个碱基)……C-U-C-U-A-G-A-U-C-U,此信使RNA 控制合成的蛋白质含氨基酸的个数为( )
Book8Unit5语法导学案（A） 学习目标： 知识目标：掌握十大常用时态的基本用法及其被动结构。 能力目标：能够总结现在完成进行时和现在完成时、一般过去时和现在完成时的区别。 情感目标：自主、合作、探究，激情展示，大胆质疑，分享成果。激发学生对语法的学习热情。学习重点：掌握十大常用时态的基本用法及其被动结构。 学习难点：能够总结现在完成进行时和现在完成时、一般过去时和现在完成时的区别 第一部分：预习案 一：动词时态语态基本知识： 二．例句呈现：请同学们在括号内写出各句所使用的时态。 1. I always sleep with the window open.( ) 2. I was reading an interesting book at this time yesterday.( ) 3.I will be having a gathering party with my friends at this time tomorrow.( ) 4.I saw the famous film Pearl Harbor yesterday evening.( ) 5.The plane takes off at 5 o’clock.( ) 6. He will arrive in Beijing tomorrow.( ) 7.The workers are building a garden these days.( ) 8.He has taught Chinese for 20 years.( ) 9.He told me that he had read the book twice.( ) 10.The boy has been reading a book for almost two hours. ( ) 11. He told me that he would take an important exam the next week. ( ) 我的疑惑：_______________________________________ _________________ 我的收获：_____________________________________ _______________ 第二部分：探究案 探究一： 1) 观察下面两组句子，理解它们的语法形式和语意。 Scene 1 (A girl complained to the boy who hurried up near to her breathlessly.) G: I have been waiting here for ages. B: I have been hurrying here all the way Scene 2 (You plan to play basketball with friends, but the rain is on and on.) Y: It has been raining all the morning 2) 从38页课文中找出使用现在完成进行时的句子并理解其意义。 _____________________________________________________________________________________ _____________________________________________2. 用法归纳 现在完成进行时的基本表达式_______ ______ 现在完成进行时表达的意义 （一）表示从过去某时开始一直持续到_______的动作，并且还将持续下去。 The Chinese have been making paper for two thousand years. 中国有2000年的造纸历史。（动作还将继续下去） I have been learning English since three years ago. 自从三年前以来我一直在学英语。（动作还将继续下去） （二）表示在说话时刻之前到现在____________的动作。 We have been waiting for you for half an hour. 我们已经等你半个钟头了(人还没到，如同在电话里说的，还会继续等) 3）注意事项 （1) 不能用现在进行时的动词，如be, have, like, love, know, see, hear等，也不能用现在完成进行时 时态构成（以do为例）语态时间状语 一般现在时do/does am/is/are+done sometimes,every day, always, often, on Sundays, usually, never 一般过去时did was/were done yesterday, last week, three years ago, the other day, in 1990 现在进行时am/is/are doing am/is/are being done look, now, at present,at this moment, these days 过去进行时was/were doing was/were being done then, at this/ that time+过去时间, at...o’clock+过去时间, those days 一般将来时will/shall do will/shall be done next week, tomorrow, before long, in the future, next week/month/year 过去将来时would/should do would/should be done the next day/year/month 现在完成时have/has done have/has been done Lately, recently, so far, yet, by now, up to now, since then, in the last/ past few days/years ,since+时间点，for+时间段 过去完成时had done had been done by then, by that time, until then, by the end of 2012, before 1999, 现在完成进 行时have/has been doing _________ all this morning, these few days, all night, this month, recently 将来进行时will be doing _________ at this time tomorrow/the day after tomorrow, from...to...tomorrow
8BUnit5课时练习（1） 一、.根据汉语提示完成单词 1.There are many differences in _____(礼仪) between China and America. 2.Have you found a ________(适当的) way to solve the problem? 3.Please don’t shout or laugh __________(大声) in public. 4.Thanks for ________(邀请) me to your birthday party. 5.If you ________(碰撞) into someone in the street, you must say “sorry”. 6.The naughty boy_________(表现) so badly in class yesterday. 7.We should ________ (避免) talking about that terrible news. 8.British people usually talk about weather to start their ________(交谈). 9.Everyone must ______（遵守）traffic rules. 10.I didn’t agree with them, so I didn’t join in the ________(讨论). 11.You should try to ___________(表达)yourself clearly. 12.The little boy is too young to __________(推)past you. 13.Peter was slow. He could not write down all the ________(主要的)points 14.It’s __________ (不礼貌的) to spit in public. 15.His mother hugged him and__________(亲吻)him on both cheeks. 16.The first book on the__________(话题，主题)was published in 1900. 17.Barry never lets anyone_________(触碰，碰)the piano. 18. The town has its own_________(公共的）library. 19. Don’t__________(解释）it. I don’t want to know your excuse. 二、用所给单词的适当形式填空。 1.Don’t leave the tap _____ (run) all the time. 2.I think he is too old _____ (learn) a foreign language. 3.We should speak _______ (polite) to the old people. 4.Students should put the books back after ______ (read) them. 5.Yesterday I listened to a speech on good table _______ (manner). 6. What did you do after_______ (arrive) home? 7. Try_______ (not be) late next time. 8. This sign means “No _______” (park). 9. I have __________ (explanation) it to him many times. 10.He didn’t want to risk_____________(lose) everything all at a time. 11.We shouldn’t make noise while ______________(eat). 12.It’s polite to wait f or everyone ________(finish) before we leave the table. 13.All of us hope the party will be __________(success). 14.We tried _______(not make) any noise for you were _______(sleep). 15. When in Rome, do as the_________(Rome)do. 16.They walked__________(pass)a restaurant. 17. It’s bad manners__________(look)down upon the blind me. 18.The day before yesterday, we had a_________(discuss) about our project. 19. We should treat everyone around us___________(polite). 20. It’s a long way，so it’s best for us to ta ke turns_________(drive) 三、单项选择。 ( )1._______,but can you tell me the way to the nearest shopping mall? A. Excuse me B．I am sorry C. Thank you D. You are welcome
U5(选修六) 1 volcano n. 复数—volcanoes火山 an active volcano活火山 an extinct volcano死火山 a dormant volcano休眠火山 volcanology火山学 volcanologist火山学家 pianist钢琴家 physicist物理学家 Novelist小说家 2. erupt 1)（火山）爆发，喷发 Mount Vesuvius hasn’t erupted for a good many years. 维苏威火山已经多年没有爆发了。 2)（搏斗，暴力事件，噪音等）突然发生，爆发 Violence in street can erupt for no apparent reason. 街头暴力可以在没有明显原因的情况下爆发。 erupt into laughter/shouting/crying, etc.突然大笑/叫喊/大哭 He erupted into laughter without any reason. 他毫无理由地大笑起来。 3. alongside alongside= with “和” It’s a pleasure to work alongside such men. 与这样的人一起工作是一件乐事。 beside “在...旁边” The boat pulled up alongside the dock. adv. 在旁边;沿着;靠拢着;并排地 The police car pulled up alongside.那辆警车在旁边停下 4 equipment n.配备,装备 The complete equipment of the new hospital will take a year. 把这个新医院的设备配齐要化一年时间。 equip v.装备,使有准备使能够做某事 Equip ourselves with knowledge Equip the army with modern weapons 5. bored (人)厌烦的 boring （物）令人厌烦的 I am bored with the same old routine day after day. The book is boring. bore v. (尤指无聊的长话)使(人)厌烦
教学资料范本 2020高考生物总复习课时作业22生物的进化-精装版 编辑：__________________ 时间：__________________ 【精选】20xx最新高考生物总复习课时作业22生物的进化
时间 / 30分钟 基础巩固 1.1859年,达尔文发表《物种起源》,文中对生物的进化历程进行了详细的阐述.下列关于生物进化的叙述,错误的是( ) A.由于时代的局限性,达尔文没有解释生物遗传变异的本质 B.达尔文的自然选择学说中强调,生存斗争是生物进化的动力 C.共同进化指的是不同物种之间在相互影响中不断进化和发展 D.现代生物进化理论认为,隔离是物种形成的必要条件 2.根据现代生物进化理论,下列说法正确的是( ) A.生物受环境影响而产生的变异都是不能遗传的 B.进化过程一定伴随着种群基因型频率的改变 C.在环境条件保持稳定的前提下,种群不会进化 D.物种的形成必须经过种群之间的生殖隔离 3.脊椎动物对糖和氨基酸的反应分别需要独特的味觉受体分子,R2味觉受体可“发现”甜味,而结构与其相近的R1味觉受体则可“发现”氨基酸味道.在进化过程中,蜂鸟的祖先失去了编码R2的基因,只有编码R1的基因,但蜂鸟还会被花蜜所吸引.下列有关蜂鸟味觉的说法,不合理的是( ) A.味觉受体分子位于反射弧的感受器部分 B.特殊味觉的形成是长期自然选择的结果 C.R1味觉受体可能出现了感知甜味的结构变化 D.花蜜诱导编码R1的基因突变为编码R2的基因 4.山油茶籽可以用来榨取茶油,其花蜜中含有生物碱和茶皂素,中蜂、意蜂取食花蜜会死亡,而攻击力强的土栖蜂可以山油茶花蜜为食,并为其传粉.研究人员将土栖蜂与中蜂杂交获得M蜂.M蜂繁殖多代后再与土栖蜂杂交以恢复其野性.下列说法不正确的是( ) A.土栖蜂利于保持山油茶基因多样性 B.山油茶与土栖蜂之间存在共同进化 C.土栖蜂与中蜂之间不存在生殖隔离 D.可用生长素培育无籽果实增加产量 5.在超市中无公害蔬菜很多,也很受市民的欢迎,这些无公害蔬菜在生产中,不使用农药、杀虫剂和化肥等.假如在蔬菜的生产中长期使用某种杀虫剂,其结果是( ) A.杀虫剂诱发了害虫抗药性基因的产生,使害虫的抗药性增强 B.杀虫剂对害虫具有选择作用,使具有抗药性的害虫数量增加 C.杀虫剂能诱导害虫分解药物的基因大量表达 D.抗药性强的害虫所产生的后代具有很强的抗药性 6.[20xx·江西玉山第一中学5月模拟] 在阿拉斯加地区,棕熊生活在森林里,北极熊生活在雪原和浮冰上,它们适合生活的环境不同,自然状态下不能相互交配,但在动物园两者可交配并产生可育后代.下列叙述错误的是( ) A.棕熊和北极熊进化的实质是种群基因频率的改变 B.棕熊与北极熊在自然环境中基因无法交流 C.北极熊和棕熊都是长期定向自然选择的结果
Unit5 1. identify vt. ~ sb. /sth. as sb./ sth. 确认，证明某人/某物系某人/某物她认出那个男子就是袭击她的人。 The police are trying to identify the dead body. Scientists have identified the gene that causes abnormal growth. identification n. 鉴别；身份证明identification card 身份证identity n. 身份；特征identical adj. 完全相同的，一样的 2. alternative adj. （作定语）供选择的，可代替的 We recommend using alternative sources of fuel such as charcoal（木炭）. As there is less and less coal and oil, scientists are exploring new ways of making use of alternative energy, such as sunlight, wind and water for power and fuel. n. 可能的选择；替代物 Minibuses with seats for 12 passengers offer an alternative to expensive taxis and crowded public transport. I'm sorry, there 'sno alternative but to sell the car. 另?无选择只好做 . have no alter native but to do = have no choice but to do = have nothing to do but do 除了放弃那个计划，我另无选择I have no alternative but to give up the plan.
课时作业13 Unit 5 Music Ⅰ.短语填空 be familiar with, in cash, Sorting out , break up, or so, above all, break up, are honest with, rely on, play jokes on, In addition 1．All the goods here must be paid for ________ instead of by credit. 2．—What is his new work? —________the newspaper by the year. 3．It's time for us to ________ our party.It is nearly midnight. 4．If you ________ others，they will be glad to help you when you are in trouble. 5．Everyone thinks that your mother is a reliable person to ________. 6．There were 30 students ________ attending the lecture by Professor Green. 7．My elder brother is fair，hard-working and ________ honest. 8．It's not polite to ________ the disabled；they may get annoyed. 9．________，there are another six applicants from your school. 10．What you should do at present is to ________ the new environment. [答案]1.in cash 2.Sorting out 3.break up 4.are honest with 5.rely on 6.or so 7.above all 8.play jokes on 9.In addition 10.be familiar with Ⅱ.单词拼写 1．Everyone ________(表演) well in the sports meeting held last week. 2．He ________(假装) that he couldn't answer my question. 3．In my opinion，Guilin is the most ________(吸引人的) city in Guangxi. 4．The coach told his athletes to be ________(自信的) in winning the medal. 5．If you ________(坚持) to the truth，you can be fearless. 6．The police asked the ________(路人) in order to find out the cause of the accident. 7．Liu Huan is a famous ________(音乐家)who sang the song in the opening ceremony. 8．Success requires lots of ________(投入)especially at the present time. 9．It turned out that he was too ________(敏感的) to the drugs. 10．Chairman Hu Jintao came to visit South Korea at the ________(邀请) of its president. [答案]1.performed 2.pretended 3.attractive 4.confident 5.stick
单元评估检测（十） 必修3 第5、6章 （45分钟100分） 一、选择题(本题共6小题,每小题6分,共36分) 1.关于生态系统中非生物的物质和能量,下列说法中正确的是( ) A.生产者、消费者和分解者都离不开非生物的物质和能量 B.食物网中包含非生物的物质和能量 C.只有生产者依赖于非生物的物质和能量 D.能量只能用于生产者的光合作用 2.生物多样性是生态系统自我调节能力的基础,有关说法合理的是( ) A.引入外来物种,对于营养结构简单的生态系统来说一定能提高稳定性 B.生态系统中物种丰富度高,其自我调节能力强,抵抗力稳定性低 C.对于濒危物种易地保护是主要的措施 D.要从基因、物种和生态系统三个层面上考虑保护生物多样性的措施 3.某同学做了三个实验装置,在适宜的温度、光照条件下放置一段时间,可得到的结论是( ) ①甲、乙对照可验证水体富营养化与水体中大量的N、P等矿质元素有关 ②甲、丙对照可验证生活污水可导致水体富营养化 ③乙、丙对照可验证生活污水中的有机物被微生物降解后,可产生大量的N、P等矿质元素 ④甲、乙、丙对照可知,生活污水的排放是水体富营养化的惟一因素 A.①②③ B.②③④ C.①③④ D.①②④ 4.如图是以种植番茄为主的农田生态系统模式图,数字代表能量数值,单位是J/(cm2·a)。下列相关叙述中,错误的是( )
A.图中的食物链是A→B→C B.B→C的能量传递效率是10% C.先进行物质循环,再进行能量流动 D.如果生产者固定的能量是1 000 J/(cm2·a),A、B、C三个种群中,未被利用的能量占其同化量比例最高的是C种群 5.(2013·衢州模拟)生物多样性的价值一般可概括为三个方面:潜在价值、间接价值和直接价值。下列哪个选项体现了间接价值( ) A.森林和草地对水土的保持作用 B.科学家利用野生水稻培育高产杂交水稻 C.结构简单的微生物通常被作为实验材料 D.形态各异的动物为艺术创作提供了材料 6.据报道,由于市民的不断放生致使大明湖中的部分湖区巴西龟泛滥成灾,小巧可爱的巴西龟成了公认的生态杀手。下列相关叙述正确的是( ) A.巴西龟泛滥成灾是因为湖中缺少其天敌或其天敌较少 B.巴西龟的入侵却能增加大明湖湖区的物种多样性 C.巴西龟刚侵入大明湖时,其种群数量呈“S”型增长 D.引入的外来生物都是对当地生物有害的 二、非选择题(本题共4小题,共64分) 7.(14分)淡水鱼类养殖是将鱼种投放到水体并加以一定的饲养管理,或对水体中的鱼类资源进行繁殖和保护,从而获得高产鱼的养殖方式。养殖技术人员对某池塘生态系统的营养结构和能量流动情况调查后,得到了甲图所示的食物网和乙表中的能量数据,请分析回答下列问题: