Cho đương tròn tâm (O), đườn kính AB cố định, một điểm I nằm giữa A và O sao cho OI< AI. Kẻ dây MN\(\perp\)AB tại I, gọi C là tiếp điểm tùy ý thuộc cung lớn MN sao cho C không trùng với M, N, B. Gọi E là giao điểm của AC và MN
a) CMR: tứ giác IEBC nội tiếp
b)CMR: \(AM^2\)=AE.AC
c)CMR: AE. AC- AI. BI= \(AI^2\). CM: M, B và tâm đường tròn ngoại tiếp tam giác MCE thẳng hàng
Cho đường trồn (O) và điểm A nằm bên ngoài (O). Kẻ 2 tiếp tuyến AM, AN với đường tròn (O) (M, N là các tiếp điểm ). Một đường thẳng d đi qua A cắt đường tròn (O) tại hai điểm B và C ( AB<AC, d không đi qua tâm O)
a) CM : tứ giác AMON nội tiếp
b)CM : \(AN^2\)=AB.AC
tính đọ dài đoạn thẳng BC khi AB = 4, AN = 6
c)Gọi I là trung điểm của BC. Đường thẳng NI cắt đường tròn (O) tại điểm thứ hai T. CM : MT\(//\)AC
....các bạn làm đc đến đâu thì làm . giúp mk là đc r
III. ERROR
Choose the underlined words or phrases that are not correct in standard written English.
1. Tom had just had his hair cut. We couldn’t help laughing when see him.
A B C D
2. I am not planning to go abroad. I can’t afford spending too much money.
A B C D
3. Don’t expect to learn all words in a day. Learning language is time-consumed work.
A B C D
4. Millions of people have visit Disney World in Orlando, Florida, since it opened.
A B C D
5. Gertrude Stein, a well-known American novelist, was born in 1874 and has died in 1946.
A B C D
6. At summer camp last year children swam, rode horses, and were playing baseball.
A B C D
7. Inspiring by her example, other zoologists have begun working with apes in the wild.
A B C D
8. This is the first time I tried to play badminton.
A B C D
9. None of the pictures are the same. They are all very different with each other.
A B C D
10. The last time we decorated the flat was 5 years ago. The flat wasn’t decorated for five years.
A B C D
IV. VERB FORM
She ( often take)……………………to the theater by The Greens. …………. Your house (rebuild) ……………. next year? ……………. English (learn)……………… all over the world? The teacher asked her why she (not do)…………………….. the test. Please phone this number for more………………………. (inform) If you want to …………………. your English, we can help you.( improvement) We often take part in many……………activities at school. (culture) This book is not …………….(avail) He can speak ……………. three languages included English, French, and Russian (fluent) This class in suitable for ……………. at learning English (begin)
V. GAP FILLING
Read the passage and fill in each blank with a suitable word from the box.
working doing sound scientific adults writers universities angry computers have |
Today, computer companies sell many different programs for computers. First, there are programs for (1)_________ math problems. Second, there are programs for (2)_________ studies. Third, some programs are like fancy typewriters. They are often used by (3)_________ and business people. Other programs are made for courses in schools and (4)_________ . And finally, there are programs for fun. They include word games and puzzles for children and (5)_________ .
There are many wonderful new computer programs, but there are other reasons to like (6)_________ . Some people like the way computers hum and sing when they are (7)_________ . It is a happy sound, like the sounds of toys and childhood. Computers also (8)_________ lights and pretty pictures. And computers even seem to have personalities. That may (9)_________ strange, but computers seem to have feelings. Sometimes they seem happy, sometimes they seem (10)_________ . It is easy to think they are like people.
Fill in each gap with one suitable word. There are three extra words you do not need to use.
KNOWS – UNDERSANDING – THINGS – SUBJECTS – WRITTEN MANY – TO – KNOW – FRIENDSHIP – IN - WHAT |
English is a very useful language. If we (1)………………. English , we can go to any countries we like. We will not find it hard to make people understand (2)…………. …….we want to say. English also helps us to learn all kinds of (3)…………………. Hundred of books are (4)……………. in English every day in (5)………………… countries. English has also helped to spread ideas and knowledge (6)………………. all corners of the world. Therefore, the English language has helped to spread better (7)……………….and (8)…………………among countries of the world.
Read the following passage and choose the best answers.
Tet is a national and .................... (1) festival in Vietnam . It is occasion for every Vietnamese to be reunited to think .................(2) their past activities and hope for good luck in the new year.
Before Tet all houses .................. (3) whitewashed and ...................... (4) with colourful lights . Everybody is looking ......................... ( 5 ) to a better life. In the new year’s eve, children are smartly dressed . ......................... (6) are hoping to receive money put in small red envelopes as they are wishing longevity to ................... (7) grandparents and parents. Wrong doings should ...................... (8) avoided on these days .
1. A. traditional B. modern C. compulsory D. convenient.
2. A. about B. with C. after D. for
3. A. was B. were C. are D. is
4. A. decorate B. decorating C. to decorate D. decorated
5. A. for B. forward C. after D. at
6. A. them B. who C. these D. they
7. A. his B. her C. my D. their
8. A. take B. not C. we D. be
Choose A, B, C or D to complete the following passage:
English is a very useful language. If we (1)________ English, we can go to any contries we like. We will not find it hard to make people understand (2)_________ we want to say. English also help us to learn all kinds of(3)__________ hundreds of boks are (4)________in English everyday in (5)__________ countries. English has also helped to spread ideasand knowledge (6)__________ all corners of the world. Therefore, the English language has helped to spread better (7)__________ and (8)_________ among the countriesof the world.
1. A. to know B. know C. knew D. known
2. A. what B. where C. when D. how
3. A. subjects B. things C. ideas D. plans
4. A. write B. wrote C. written D. writing
5. A. much B. lot of C. many D. a lots of
6. A. in B. with C. at D. to
7. A. to understand B. understanding C. understand D. understood
8. A. friend B. friendly C. friendliness D. friendship
VI. READING
Read the following passage then answer True (T) or False (F):
Advertisements are very important in the modern world. Often your T-shirt or jeans show the name of the company that made them. This is a popular form of advertising.A special picture or symbol, called logo, is sometimes used. You see logos on many different products. The idea of a logo is that whenever you see it, you think of that product or company.
Many people like to buy a product because it is made by a certain company. Some people only buy a product that is made by a famous company. People wear clothes and carry bags that have a famous label to show that they are fashionable and have good taste.
It is very common to see advertisements on TV and hear them on the radio. Most advertisements are only a few seconds long but very attractive. Sometimes, the advertiser uses a slogan because it is easy to say and easy to remember.
The idea of advertisements is to try to make you buy the product. They sometimes show rich and famous people using that product. The message is, if you want to feel rich and famous, then buy this product.
1) The main purpose of an advertisement is to make people buy the product. _______
2) Your T-shirt or jeans show the name of the company that made them. _______
3) Most advertisements are only a few minutes long but very attractive _______
4) A good slogan is easy to remember _______
Read the passage, and then decide whether the statements are true IT), false (F) or no information (N). Correct the false sentences.
I lived in the Middle East for a while, and when I went out, I had to obey the local custom of wearing something over my head and wearing a dress that covered my whole body. At first, I found it a real nuisance, but after a while, I got used to it and even started to like it. You feel really secure, and also you don't have to worry about what to wear all the time.
1. The writer lives in the Middle East now. _____
2. She was constrained to wear national costume. _____
3. She was very annoyed at the costume. _____
4. She felt confident and safe when she wore the costume. _____
5. She didn’t have to think of what to wear every day. _____
6. The writer is a Muslim. _____
I. From each number, pick out the word whose underlined part is pronounced differently from the others.
1. A. out B. round C. about D. would
2. A. chair B. check C. machine D. child
3. A. too B. soon C. good D. food
4. A. though B. enough C. cough D. rough
5. A. happy B. hour C. high D. hotel
6. A. equal B. fashion C. champagne D. match
7. A. only B. cotton C. cross D. economic
8. A. baggy B. minority C. style D. symbol
9. A. design B. ghost C. clothing D. strong
10. A. casual B. sale C. sleeveless D. slit
II. From each number, pick out one word which has the stress on the first syllable.
1. A. region B. comprise C. Malaysia D. compulsory
2. A. association B. Buddhism C. divide D. together
3. A. enjoy B. religion C. Hinduism D. population
4. A. Chinese B. although C. instruction D. currency
5. A. primary B. religion C. tropical D. friendliness
6. A. baggy B. design C. equal D. poetry
7. A. inspiration B. fashionable C. modernize D. symbol
8. A. casual B. embroider C. designer D. occasion
9. A. convenient B. encourage C. material D. modernize
10. A. family B. complete C. grocery D. primary
II. MULTIPLE CHOICE
I. Choose the best answer to complete the following sentences
1. He has written four novels ______.
A. so far B. one year ago C. last year D. yesterday
2. I’ve played the piano ______.
A. two years ago B. since 1995 C. before 1995 D. tomorrow
3. He ______ me about it last night.
A. tells B. have told C. has told D. told
4. ______ you ______ from George recently?
A. Has / heard B. Did / heard C. Have / heard D. Have / hear
5. Have you hear from John ______?
A. recently B. for two days C. two days ago D. since two days
6. The meeting will ______ in London next week.
A. be held B. is held C. be hold D. are hold
7. Bananas ______ to Europe every year.
A. are exported B. exports C. is exported D. exported
8. 14. I haven’t seen my parents ______ last Christmas.
A. already B. for C. before D. since
9. I ______ this man 10 years ago.
A. have met B. met C. is met D. meet
10. These designers ______ inspiration from Vietnam’s ethnic minorities since last year.
A. have taken B. took C. has taken D. take
11. We can’t go along here because the road ______.
A. been repaired B. repair C. is being repaired D. repaired
12. She wishes she ______ a palace now.
A. owns B. owned C. is owning D. would own
13. This is the most interesting novel that I have ______ read.
A. ever B. yet C. never D. now
14. The girls have ______ gone to the cinema. They won’t be back until ten o’clock.
A. since B. still C. yet D. just
15. I wish this school ______.
A. were bigger B. is bigger C. are bigger D. was bigger
16. My house ______ broken into last night.
A. are B. is C. was D. were
17. The meal ______ cooked when I came.
A. was be B. was being C. is D. is being
18. She has ______ to Hue University.
A. be accepted B. been accepted C. is accepted D. were accepted
19. We have ______ how to cook.
A. been teach B. be taught C. been teacher D. been taught
20. The details should ______ carefully.
A. is checked B. check C. was checked D. be checked
21. What______of learning English do you find most difficult? Is it grammar rules or speaking?
A. type B. form C. kind D. aspect
22. That man can tell us where_______.
A. does Tony live B. Tony lives C. Tony living D. is Tony living
23. She asked me_____.
A. if I am thirsty B. if I were thirsty C. if was I thirsty D. if was thirsty
24. If Mary doesn’t improve in math, we_____have to find a tutor for her .
A. will B. can C. should D. would
25. “Put your book away”, said the teacher.
A. The teacher said us put our book away. B. The teacher told us to put our books away.
C. The teacher said to us put our books away.D. The teacher told to us to put our books away.
26. “Don’t stay up too late, my son”, he said.
A. He told his son not to stay up too late. B. He said to his son not stay up to late.
C. He told to his son not to stay up too late. D. He said his son not to stay up too late.
27. He wants to know ________ .
A. whether I would come back from school the next day.
B. whether I would come back from school tomorrow.
C. whether I will come back from school the next day.
D. whether I will come back from school tomorrow.
28. The journey to the village is very __________ .
A. interested B. interesting C. disinterested D. interest
29. It is an ________day to me at the seaside with my friends.
A. enjoyable B. enjoyment C. enjoyably D. enjoy
30. After a long walking, they feel tired and _________.
A. hunger B. hungryly C. hungrily D. hungry
31. He is too busy _________ care of her.
A. taking B. to take C. took D. taken
32. She ________ a famous singer some years ago.
A. is used to be B. is used to being C. used to be D. used to being
33. A computer can gather a lot of _________ for many different _________ .
A. informations / purpose B. informations / purposes
C. information / purposes D. information / purpose
34. The interviewer asked her __________ her name ________ .
A. what / was B. if / was C. what / is D. if / is
35. The excited children were looking forward ___________ with the foreign teacher.
A. to speak B. spoken C. to speaking D. for speaking
36. He can't earn money_________he has no job.
A. unless B. until C. without D. if
37. Let's play video games, _________ ?
A. shan't we B. do we C. shall we D. don't we
38. Mr. Pike sold his house, _________he?
A. didn't B. could C. did D. couldn't
39. I haven't seen him for 3 years. I_________him 3 years ago.
A. saw B. see C. will see D. have seen
40. I ask him_________
A. what name is he B. what his name is C. what is he name D. what is his name
41. I don’t like using the internet because it has some _____
A. benefits B. advantages C. limitations D. disadvantages
42. The ______tell us what is happening in our city, in our country and in the world
A. communication B. advertisements C. media D. forecasts
43. You should watch the news every day. It’s very _____
A. informative B. time-consuming C. costly D. boring
44. No one can ____the advantages of using the computers. They help us do our work quickly and efficiently
A. refuse B. deny C. agree D. accept
45. Email can be sent and received at any hour of the day,_____?
A. can they B. can’t it C. can it D. can’t they
46. The Kien Thuc Ngay Nay is _____ read by both teenagers and adults
A. wide B. widely C. widen D. widing
47. T.V viewer are able _____ questions about the show
A. ask B. to ask C. asking D. asked
48. Lan watched T.V lastnight , _____?
A. doesn’t she B. did she C. didn’t she D. hasn’t she
49. Nobody does this , ________?
A. do they B. does it C. doesn’t he D. don’t they
50. The Internet has _____developed and become a part of our life.
A. increase B. increasing C. increasingly D. increased
. Chia động từ trong ngoặc:
1.Tourists could see fish (swim) along the brook.
2.We enjoy (swim) along this river.
3.The form teacher has asked Jack (write) an essay on the Thames.
4.It sometimes may be difficult (get) a taxi during rush- hours.
5.The rain has made the children (stop) their games.
6.She tells the driver (take) her to the railway station.
7.Does Mrs. Green have them (carry) those books back home?
9.Children have just stopped (play) football.
10.They keep (talk) about an old friend they met yesterday.
11.Is Black Pool (visit) by thousands of tourists each year?
12.We heard Mr. Brown (park) his car near the gate.
13. They’ve finished (do) their homework.
14.They had their house (paint) before Tet holiday.
15.I advised him (wait) for me at the airport.
Chuyển những câu sau sang câu gián tiếp.
He said to her, “You are my friend.”He told her………………………………….
Johnny said to his mother, “I don’t know how to do this exercise.”Johnny told his mother…………………………………………..
“ Don’t come back before one o’clock”, advised my brother.My brother advised me…………………………………….
“Cook it in butter”, Mrs Brown said to her daughter.Mrs Brown told her daughter……………………………..
The pupils said “ Teacher, give us better marks, please.”The pupils asked their teacher………………………………..
My friend said, “ Are you going to leave tomorrow?”My friend asked me………………………………………….
“ Have you done your homework?”, said my mother.My mother asked me……………………………………….
I asked Bill,” What time did you go to bed last night?”I asked Bill…………………………………………………
Paul said, “ I must go home now.”Paul said that……………………………………………….
“ There is an accident .”, said the policeman.The policeman said that……………………………………..
“ We are waiting for the school bus”, said the children.The children said that……………………………………….
“ Must you go now?”, said Mr Brown.Mr Brown asked me………………………………………
“ Are you going to visit your aunt tomorrow?” asked Tom.Tom asked…………………………………………………
“ Listen to me and don’t make a noise,”said the teacher to his students.The teacher asked his students………………………………………….
“ I’m tired of eating fish”, said Mary to Helen.Mary said Helen…………………………………………….
“ The sun always rises in the east,” said Peter.Peter said …………………………………………………..
“ I didn’t steal your fur coat yesterday,” said Samny to Jean.Sammy told Jean ……………………………………………..
“ You must do your homework everyday”, said Miss Lan to us.Miss Lan told us ……………………………………………
“ Will we read the story?”, Bill asked his teacher.Billy asked his teacher ……………………………………….
“ I don’t know where Alice is,” said Vicky.Vicky said …………………………………………………….