) Có 3 lọ không nhãn mỗi lọ đựng một dung dịch không màu sau: H₂SO₄, KCl, BaCl₂. Chỉ dùng giấy quì tím, hãy nhận biết 3 dung dịch trên. Viết phương trình hóa học.

38. My mum says doctors weren’t so expensive in the past.

Used

My mum says doctors ……………………………………. so expensive

III. Choose the word which has the underlined part pronounced differently from that of the rest by writing your answer (A, B, C, or D) in the numbered box. (10 pts)

1. A. distribute B. tribe C. triangle D. trial

2. A. profit B. profession C. promise D. poverty

3. A. ploughed B. laughed C. coughed D. locked

4. A. steady B. ready C. breakfast D. steak

5. A. describe B. celebrate C. plumber D. abrupt

IV. Choose the letter (A, B, C or D) next to the word whose main stress is placed differently. (10 pts)

1. A. comment B. provide C. delay D. recently

2. A. vacation B. peaceful C. anyway D. summer

3. A. entrance B. enjoy C. weekend D. mountain

4. A. objection B. opinion C. official D. optional

5. A. embroider B. encourage C. economic D. experience

SECTION C. LEXICO- GRAMMAR:

V. Choose the word or phrase which best completes each sentence. Write your answer (A, B, C, or D) in the numbered box. (40 pts)

1. She went to the airport to see me off

A. look for me B. meet me C. greet me D. say goodbye

2. The more time you spend practicing English, ......... command of it you will have.

A. the fewer B. the better C. the good D. the less

3. I told her many times, but she didn^’t remember ............ the tickets for the show.

A. to have bought B. having bought C. buying D. to buy

4. You should understand ……… better to work together.

A. one another B. each one C. themselves D. yourself

5. He has difficulty ………….. his ideas across.

A. to make B. being made C. making D. to be made

6. Every one of them ……... responsible for their action.

A. be B. is C. are D. being

7. They received ……… help from their parents, but they still become successful.

A. so few B. such a few C. a little D. little

8. You shoul eat less and do more exercise. …….. you won^’t lose weight.

A. If only B. Otherwise C. Or D. Unless

9. Because his story was …….. we all couldn^’t help laughing.

A. amusing B. amuse C. amused D. amusement

10. They live far away from the city so their …….. to work takes nearly an hour.

A. trip B. tour C. travel D. journey

11. Only ……… present at the meeting agreed on the plan.

A. few B. little C. a few D. a little

12. The foreign guest spoke very slowly …….. to be misunderstood.

A. not so as B. so as for nobody C. not so that D. so as not

13. The boy ….. long hair was talking to the girl who was ……. red.

A. with/in B. of/at C. in/with D. at/of

14. You will have to ……. your holiday if you are too ill to travel.

A. cut down B. put off C. put out D. put up

15. I don^’t see any …… in arriving early at the theatre.

A. cause B. reason C. point D. aim

16. Your hair needs ……… . You^’d better have it done tomorrow.

A. cut B. to cut C. cutting D. being cut

17. Let^’s go ahead and do it now. Nothing …… by waiting.

A. accomplished B. accomplishes C. has accomplished D. will be accomplished

18. The heavy storm prevented the climbers from ….. the top of the mountain.

A. reaching B. reach C. arriving D. arrive

19. He doesn^’t want to study in a university which has no ………..

A. reputing B. reputation C. reputed D. reputedless

20. The jokes Jack tell are as old as ……………..

A. the earth B. the mountains C. the hills D. the oceans.

VI. There is one mistake in each sentence. Find the mistake and write your choice (A,B,C or D) in the space provided below. (10 pts)

1. We were at trouble because we had entered the building without permission.

A B C D

2. Your brother-in-law hardly goes to work by bus, doesn^’t he?

A B C D

3. My brother didn^’t wear that uniform since he left school.

A B C D

4. Preserving natural resources mean reserving them for our future.

A B C D

5. Mrs Stevens, along with her cousins from New Mexico, are planning to attend the festivities.

A B C D

VII. Complete the sentences by filling in each blank with the correct form of the word in italic. (10 pts)

1. Pablo Picasso was a very …………………….. artist CREATE

2. It^’s ……… of motorists to drink and drive. RESPONSIBILITY

3. Since ………….. has been so poor the class is being closed ATTEND

4. The farmland is poor. It needs to be ……………. RICH

5. No one can deny the …….. of his contributions PRECIOUS

VIII. Complete the sentences with the right form of the verbs in bracket. (10 pts)

1. He prefer (1. drive)……... to (2.be drive)……………………

2. It^’s essential that he (3. arrive) ………… before seven.

3. If you bet on that horse, you risk (4. lose) every penny you^’ve got.

4. I^’d rather you (5. not wear) ……….. jeans to the office.

SECTION D. READING:

IX. Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions. (20 pts)

Although some groups of people have always lived in tents, camping as we know it today only began to be (1) …….. about 50 years ago. The increase in the use of cars and improvemnet in camping equipment have (2)……. more people to travel longer (3) …… into the countryside and to stay there in greater comfort.

Many campers like to be (4)……. themselves in quiet areas, so they (5) ……. their tent and food, and walk or cycle into the forests or the mountains. Others, preferring to be near people, drive to a public or privately-owned campsite (6) ……has up-to-date facilities, (7)…….hot showers and swimming pools.

Whether campers are (8)…… in the mountains or in a busy site, they should remember to (9)…… the area clean and tidy. In the forests, they must put out any fires and keep food hidden to avoid attracting (10)……… animals.

1. A fame B. popular C. favorite D. current

2. A. asked B. let C. made D. allowed

3. A. parts B. directions C. voyages D. distances

4. A. on B. by C. at D. of

5. A. take B. make C. pick D. do

6. A. where B. who C. which D. when

7. A. such B. like C. as D. just

8. A. lonely B. single C. separate D. alone

9. A. remain B. stay C. keep D. let

10. A wild B. natural C. loose D. free

X. Fill in each numbered blank ONE suitable word. (20 pts)

Everyone is becoming aware that the environment is a seriuous issue. However, we have not done (1)……. to deal with this problem because we seem to wait for governments to (2)……… actions. In my opinion, individuals can do many things to help (3)……. the problem. To begin (4)……. , we can be more responsible in the (5)……. we dispose of waste. We should no throw rubbish into lakes and (6)…….. Moreover, we also need to (7)……. the water we use. Fresh water (8)………. drinking is running out in many (9)………. of the world. Finally, I think that if we use (10)………. transport more we can reduce air pollution in cities.

XI. Read the following passage and then choose the correct answer A, B, C or D. (10 pts)

According to the World Health Organization (WHO) research, the emission from car exhausts causes more deaths than road accidents. The research found that one third of all harmful air pollution was caused by road transport, and that long term exposure to pollution caused estimated 21,000 premature deaths a year across the three countries, France, Austria and Switzerland. This is much higher than the 9,947 who died that year as a result of road accidents.

In addition, the researchers calculated that the car fumes caused 300,000 extra cases of bronchitis in children, and 15,000 extra hospital admissions for heart disease made worse by the pollition. They calculated that the cost of dealing with all this was 27 billion Euros per year. A lot of money goes into making cars safer, but not as much is spent solving air pollution.

1. What is the main idea of the text?

A. Pollution and road accidents B. Bad effects of car exhausts

C. the necessity of making cars safer D. The toll of road accidents

2. According to the passage

A. air pollution causes more deaths than road accidents.

B. road accidents cause more deaths than car fumes.

C. long term exposure to pollution is harmless.

D. car fumes cause one third of premature deaths.

3. Which of the following is not true?

A. Car exhausts cause bronchitis and heart disease.

B. Car fumes cause one third of all harmful air pollution.

C. Each year road accidents cause 9,947 deaths.

D. More people died as a result of air pollution than road accidents.

4. The money spent solving air pollution is

A. 27 billion Euros per year B. not able to calculate

C. more than making cars safer D. less than to make car safer

5. Which of the following is not mentioned as the bad effect of air pollution?

A. Causing illness in children B. Causing premature deaths

C. Causing road accidents D. Causing heart diseases

SECTION E. WRITING:

XII. Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. (20 pts)

1. I haven’t decided to continue my study in a foreign country.

I haven’t made ...................................................................................................................................

2. He got down to writing the letter as soon as he returned from his walk.

No sooner ..........................................................................................................................................

3. Please help your mother with housework.

I^’d rather …………………………………………………………………………………………….

4. They were unable to finish their game of badminton because of the heavy rain.

The heavy rain ………………………………………………………………………………………

5. The flight to Ho Chi Minh City lasted one hour and a half.

It took …………………………………………………………………………………………………

6. “I^’m sorry for handing in my report so late” Tom said to his boss.

Tom apologized ………………………………………………………………………………………

7. He hates people staring at him while he is out in the street.

He hates ……………………………………………………………………………………………….

8. John’s proud of being a good computer programmer.

John takes ……………………………………………………………………………………………..

9. What I know is that he still needs protection.

As far …………………………………………………………………………………………………

10. He introduced me briefly to the school^’s teaching staff.

He gave ……………………………………………………………………………………………….

XIII. Use the following sets of words or phrases to write a complete letter. Make all the changes and additions if necessary. (20 pts)

Dear Helen,

1. How/ things/ you/ these days?

.............................................................. ......................................................................................

2. I/ write/ invite/ accompany me/ trip/ Hawaii.

.....................................................................................................................................................

3. As/ know/ I/ booked/ two – week/ package tour/ my brother/ myself.

..................................................................... ................................................................................

4. Since then/ I/ dreaming/ exotic scenes/ carefree time/ spend/ Hawaii.

......................................................................... ............................................................................

5. Unfortunately/ brother/ inform/ yesterday/ couldn’t go/ me.

......................................................................... ............................................................................

6. This/ disappointed/ because/ half/ pleasure/ travelling/ sharing/ experience/ someone/ close.

......................................................................... .............................................................................

7. I/ very happy/ if we/ go/ travel/ together.

........................................................................ ..............................................................................

8. Remember/ once/ showed/ interest/ trip.

........................................................................ ..............................................................................

9. If/ still/ interested/ do let/ know/ possible.

.............................................................................. ........................................................................

10. I/ looking forward/ reply.

............................................................................. ........................................................................

Best wishes,

_____THE END_____

The shark is a meat-eating fish and one of the most feared animals of the sea.Scientists......(16) about 250 species of fish as sharks. These fish live in oceans..........(17) the world, but they are most common in warm seas. Sharks...........(18) greatly in size and habits. Whale sharks, the largest kind of shark, may grow 60 feet long.A whale shark weighs up to 15 short tons, more thantwice ......(19) much as an African elephant. The smallest sharks may .............(20) only 4 inches long and weigh less than 1 ounce. Some kinds of sharks live in the depths of the ocean, but .......(21) are found near the surface.Some species live in coastal waters, but others.............(22) far out at sea.A few species can even live in ........(23) water.

All sharks are carnivores (meat-eaters).Most of them eat.................(24) fish, including other sharks. A shark's only natural enemy is a larger shark. Sharks eat their prey whole, or they tear off large chunks of flesh. They also ............(25) on dead or dying animals.

The shark is a meat-eating fish and one of the most feared animals of the sea.Scientists......(16) about 250 species of fish as sharks. These fish live in oceans..........(17) the world, but they are most common in warm seas. Sharks...........(18) greatly in size and habits. Whale sharks, the largest kind of shark, may grow 60 feet long.A whale shark weighs up to 15 short tons, more thantwice ......(19) much as an African elephant. The smallest sharks may .............(20) only 4 inches long and weigh less than 1 ounce. Some kinds of sharks live in the depths of the ocean, but .......(21) are found near the surface.Some species live in coastal waters, but others.............(22) far out at sea.A few species can even live in ........(23) water.

All sharks are carnivores (meat-eaters).Most of them eat.................(24) fish, including other sharks. A shark's only natural enemy is a larger shark. Sharks eat their prey whole, or they tear off large chunks of flesh. They also ............(25) on dead or dying animals.

Ở đậu hà Lan. tính trạng thân cao trội hoan toàn so với thân thấp, hạt vàng trội hoàn toàn so với hạt xanh, 2 cặp này di truyền độc lập với nhau. Xác định kiểu gen và kiểu hình của P và lập sơ đồ lai cho các trường hợp sau:

a) Bố có thân cao hạt xanh và mẹ có thân thấp hạt vàng.

b) Bố thuần chủng thân cao hạt vàng và mẹ thân thấp hạt xanh.

Write essay about a job you think matches you. (Essay organization : introductory, body, concluding )

Cho △ ABC vuông tại A, D nằm giữa BC, E nằm giữa AC sao cho CDE = CAD.

a, chứng minh △ DCE ∼ △ ACD từ đó suy ra CD2=CE.CA

b, Từ E kẻ EK vuông góc với BC. CMR: CE.CA=CK.CB

c, Trên EK lấy điểm F sao cho BFC=900 . CMR △ CDF cân

Cho △ ABC vuông tại A, D nằm giữa BC, E nằm giữa AC sao cho CDE = CAD.

a, chứng minh △ DCE ∼ △ ACD từ đó suy ra CD2=CE.CA

b, Từ E kẻ EK vuông góc với BC. CMR: CE.CA=CK.CB

c, Trên EK lấy điểm F sao cho BFC=900 . CMR △ CDF cân