cho 2,85g hợp chất hữu cơ Z ( chứa C,H,O ) có CTPT trùng với CT đơn giản nhất tác dụng hết với nước ( có H2SO4 là chất xúc tác. Phản ứng tạo ra 2 hợp chất P và Q. Khi đôt5s cháy hết P tạo 0,09 mol CO2 và 0,09 mol nước. Khi đốt cháy hết Q tạo 0,03 mol CO2 và 0,045 mol nước. Tổng lượng oxi tiêu tốn cho 2 phản ứng trên bằng lượng oxi tạo ra khi nhiệt phân hoàn toàn 42,66g KMnO4. Tìm CT Z
Giúp mình với !!!!
TEST 7
Question 1: Complete this report, putting the verbs in the right tense.
As I (1- get)..… into my car, my neighbour (2- shout) …… out of his front window and (3- ask).....… me where I (4 - go).....…. When I (5- tell) …… him I (6- go) …… to town he (7- ask)… if I (8- can)…… give him a lift into work. He (9- be) …… afraid he (10- be) …… late for work because his car (11- break down)…… and it (12- not start) ……. I explained that I (13- not go)…… into town but I (14- can) …… give him a lift to the railway station.
Question 2 : Fill in the blank with the right word or phrase.
1. hurry, be in a hurry.
a. Well, I can’t stay longer, I …… I’ve got much work to do.
b. Don’t …… We’ve got half an hour left.
c. Speak slowly. Don’t …….
d. I met him the other day but couldn’t speak with him as he …… somewhere.
2. carry, take, bring
a. …… your dictionaries to class tomorrow. We’ll do some translation.
b. Will you …… these books back to the library. We don’t need them any longer.
c. Help Lucy to …… these suitcases. They are very heavy.
d. “Where is the article ?”
“I’am afraid, I haven’t …… it.”
Question 3: Fill in the blank with must, have to, or be to.
1. “It’s eight o’clock. The children ……. go to bed”, Mr Brown said to the nurse.
2. He told me that I ……. learn by heart some twenty lines every day to know Enlish well.
3. He ……. stay the night with us because he was missed the last bus.
4. I ……. start on my new job on Monday.
5. She …….. learn to do things for herself. I refuse to help her in future.
6. He …….. stay the night with us and tomorrow he sets off on his tour to Europe.
7. We …….. begin as early as possible or we shan’t finish it today.
8. My mother says that I ……. not be out after 11 o’clock but I don’t have to hurry home because she herself is out playing bridge.
9. My bike was under repair and I ………. collect it that afternoon.
10. My bike is under repair and I ………. walk here this morning.
Question 4: Fill in each blank with one suitable word.
The Browns live in the countryside. Last week when they came up to London, they …1… their times in seeing as much as …2…. Mrs Brown was most interested in stores, especially in Oxford Street, and bought some of …3… things which she could not find in the shops in the countryside. Their two children, George and Susan, …4… had never been to London before, were surprised …5… the crowds everywhere. They enjoyed travelling on the underground and going down the moving stairs …6… lead to the platforms.
One day they went to Hyde Park and walked along on the grass to Kensington Garden …7… the bright autunm sunshine. It was very quiet here. Only …8… noise from the streets reminded them that they were still in a city. The …9… of the tall trees were turning red, brown and yellow, birds were …10… about, sheep …11… eating the grass, there were …12… of flowers, and ducks were swimming about on the Round Pond. George, …13… hobby was planes and boats, was very much interested in the model boats which boys were sailing …14… the Pond.
Before the end of the week they had seen a great …15…. They hoped, however, to see more of London on their next visit.
Question 5: Read the text below then choose the right sentence a, b, c or d.
Baby
It was a beautiful spring day: the sun was shining, the sky was blue. In the centre of London a policeman cried. He saw a man with a big lion. They were walking down the street.
“Hey,you!” he said. “What are you doing here with this lion? You can’t walk around the streets with a lion. Take it to the Zoo !”
“OK, officer. I want to show Baby the town.”
The man opened the door of his car and the lion jumped in. The car went away.
The next day the police officer saw the same man and the same lion again.
“Hey, you!” he said.” Come over here! And bring that lion with you!”
The man took the lion to the police officer.
“What’s the problem, officer?”
“Problem? I told you yesterday to take the lion to the Zoo!”
“Oh, I did, officer, I took Baby to the Zoo. He enjoyed it very much. But today, I am taking him to the swimming pool !”
1. a- It wasn’t raining that day.
b- A policeman saw a man with a dog in the centre of New York.
c- The man and his pet were walking along the park.
d- The man didn’t have a car.
2. a- The lion couldn’t get into the car, the lion was too big.
b- The policeman took the lion to the Zoo and put the lion into the cage.
c- The man showed his pet the Zoo.
d- The policeman was happy to see a man with a lion in the centre of London.
3. a- The man had a baby. It was a nice girl of three.
b- Baby was the lion’s name.
c- The policeman told the man to show Baby the town.
d- The lion visited the London Zoo.
4. a- The man could drive a car.
b- The lion didn’t like the Zoo at all.
c- The policeman took the lion to the swimming pool.
d. The policeman met people with lions in London streets every day.
5. a- The lion was the man’s pet.
b- The man had a baby lion as a pet.
c- The policeman showed the park and the school to the lion.
d- When the policeman saw the man with the lion he got very hungry.
Question 6: Rewrite the following sentences that keep the same meaning.
1. I was very interested in our conversation. It was interesting …………………..
2. Why did you do that ? Whatever …………………………… ?
3. These bookshelves are my own work. I made ………………………………
4. I don’t play tennis as well as you do. You ………………………………….
5. I haven’t been to the dentist’s for two years. It’s ………………………………………
6. Whenever she went to Paris she bought a new dress. She never ………
7. I spent seven years at secondary school and then I went to university.
After ……………………………………………………………………..
8. It’s not worth living to make her change her mind.
There’s ………………………………………………
I- Choose the best answer:
1. I don't mind you ....... home late as long as you don't make so much noise.
A. go B. to go C. going D. went
2. The girl ....... photo was in the paper today lives in our street.
A. who B. whom C. which D. whose
3. The ....... of this city has increased rapidly in the recent years.
A. number B. population C. crowd D. total
4. The ....... is the place where a particular species of animal is normally found.
A. habit B. surrounding C. region D. area
5. My younger brother would like to become a computer .......
A. program B. programmer C. to program D. programmed
6. The lazy student felt ... about his coming examination because he had hardly leant anything at all.
A. easy B. easier C. uneasy D. not easy
7. Foreigners who learn English normally have difficulty with its .......
A. pronounce B. pronunciation C. pronounced D. pronouncing
8. The company is not taking on any new ....... this year.
A. to employ B. employer C. employee D. employ
9. The old couple have saved a lot of money for their .......
A. retire B. retiring C. to retire D. retirement
10. I admire the ....... use of color in her paintings.
A. effection B. effective C. to effect D. effecting
11. English is a ....... easy language for Swedes to learn.
A. compare B. to compare C. comparatively D. comparison.
12. We walked to the ....... bus stop in ten minutes.
A. near B. nearer C. next D. nearest
13. She can't apply ....... the job because she doesn't have enough qualifications.
A. in B. for C. to D. at
14. More than half of the world's ....... are printed in English.
A. period B. periodic C. periodicals D. periodically
15. Did anyone ask you to make a ....... at the reception?
A. speaking B. speech C. to speak D. speak
16. Mark Twain was born in Missouri ....... 1835.
A. on B. for C. in D. at
17. He won't pass the exam ....... he works hard.
A. if B. unless C. or D. whether
18. They are the children ....... won the match yesterday.
A. whose B. who C. whom D. which
19. We would go camping ....... the weather were fine.
A. although B. if C. but D. however
20. He has ....... in giving up smoking.
A. to succeed B. successful C. unsuccessful D. succeeded
21. On a spaceship gravity is zero and everything seems to.......
A. fly B. flying C. float D. floating
22. It's the English language ....... is used as an official language in 44 countries.
A. which B. that C. who D. whom
23. A person who teaches at university is a .......
A. teacher B. lecturer C. professor D. student
24. What's the place ....... you stand and wait for a train?
A. when B. where C. which D. that
25. Vietnam is a ....... country.
A. develop B. developed C. developing D. to develop
26. Phone the ....... if the lights don't work.
A. electric B. electrician C. electrify D. electricity
27. I borrowed the money ....... the bank.
A. to B. of C. for D. from
28. We ....... Betty since she moved to our neighborhood.
A. have known B. had known C. are knowing D. knew
29. Do we ....... attend the dance?
A. ought B. have got to C. must to D. have to
30. My sister is ...... than me.
A. much older B. much elder C. most older D. more older
31. You should hear Lucy play ....... guitar.
A. the B. one C. some D. a
32. Betty ....... a lot of presents on her birthday.
A. was given B. gave C. was giving D. was been given
33. I'm really looking ........ Christmas this year.
A. after B. out for C. into D. forward to
34. ....... can come to the club. You don't need to be a member.
A. Someone B. Every C. Each one D. Anyone
35. The dog must ....... to the vet.
A. taken B. be taken C. be take D. take
36. My nephews speak French really .......
A. good B. better C. well D. best
37. There is ....... food left but not enough for everyone.
A. little B. a little C. few D. a few
38. ... luggage is this? - It's Karen's
A. What B. Which C. How much D. Whose
39. ....... have you been playing the flute? - Since 1992.
A. When B. Since C. How long D. How long ago
40. The meeting will start when everyone .......
A. will arrive B. arrives C. is arriving D. will be arriving
II- Read the following passage and choose A, B, C, or D to fill in the gaps:
Steven Spielberg was born in Ohio. He is one of the most (41) filmmakers in recent times, and in his (42) he has earned millions (43) dollars. He has been making movies (44) 1961. His first film was a war movie, Escape to Nowhere, (45) was made when he was only 13. He studied English literature at California State University and then worked in the television division (46) Universal Studios in Hollywood for seven years.
In 1975, he made the movie Jaws, which (47) very successful, and (48) him rich and famous. Since then, he has made more than 30 movies, including the box- office hits Close Encounters of the Third Kind, Indiana Jones, ET, and Jurassic Parkura. He has also directed (49) serious movies, like Schindler's List and Saving Private Ryan, and he has produced a lot of hit movies. In 1994, he formed a new Hollywood studio, Dreamworks. Recently, Dreamworks has been (50) Microsoft to produce interactive computer games and videos.
41. A. success B. unsuccess C. successful D. unsuccessful
42. A. job B. career C. work D. profession
43. A. of B. in C. work D. about
44. A. ago B. for C. since D. in
45. A. who B. whom C. whose D. which
46. A. in B. at C. into D. near
47. A. were B. is C. are D. was
48. A. to make B. made C. makes D. make
49. A. some B. much C. more D. most
50. A. worked B. work C. to work D. working
III. Phonetics
51. A. warm B. park C. farm D. car
52. A. lives B. states C. stays D. tables
53. A. cinema B. diner C. ninth D. wine
54. A. root B. boot C. cool D. floor
55. A. though B. enough C. cough D. rough
IV.Identify the mistakes
56. I have known him since 5 years.
A B C D
57. Please don’t make so much noise. I study.
A B C D
58. The driver of the car was serious injured.
A B C D
59. There is so many information in this dictionary.
A B C D
60. “Can you play guitar?” —“Yes, I can.”
A B C D