1. Scientists have made many important new .......of the depth by using modern devices.(discover/ discoveries)

2. Community police have made a very positive.............to crime prevention.(contribute/ contributions)

3. They are investigating the............disappearance of a young woman. (Mystery/mysterious)

4. By the age of eighteen he was completely...........of his parents.(dependence/ dependent)

5. The...........of the seabed is being carried out (investigate/ investigation)

Hoàn thành câu với dạng đúng của các động từ sau:
challenge cover depend investigate maintain
discover conserve mystery entrap contribute
1. The government has just set up a wildlife.....................project.
2. Community police have made a very positive...................to crime prevention.

3. Sperm whale populations are at risk due to hunting and their accidental..................in fishing nets.
4. Destruction of the environment is one of the most serious...................we face.
5. They are investigating the......................disappearance of a young woman.
6. Seventy-five percent of the earth surface is....................by water.
7. The power station has been shut dơn for essential.....................
8. The.....................of the seabed is being carried out.
9. Scientists have made many important new...............of the depth by using modern devices.
10. By the age of eighteen he was completely...................of his parents.

​​ II​​ . VOCABULARY AND DEPRESSION
Choose one word or phrase - a, b, c​​ or d -​​ that best completes​​ the​​ sentence or substitutes for the
underlined word or phrase.
11. Some whales migrate into warm waters to bear their....................​​
a. youngb. diets c. calves d. young whales​​
12. Whales feed on​​ krill.
a. tiny shellfish b. small fish c. sea plants d. small animals
13. .................... is the variety of different types of plant and animal life in a particular region.
a. Interaction b. Herbicide c. Environment ​​ d. Biodiversity
14. He is a .......... biologist. He spends all his life studying​​ sea plants and animals.
a. ocean b. marine c. botany d. sea
15. ......................is a chemical used for killing- weeds.
a. Pesticide b. Herbicide c. Fertilizer d. Antibiotic
16. We all enjoyed the waters of Timor Sea and the coral reefs that lie ...................
a. under b. behind c. beneath d. beside
17. Some tiny organisms are ................... along by the currents.
a. carried b. taken c. flowed d. moved
18. Sperm whales are ................, which means they eat meat.
a. herbivoresb. carnivores c. omnivores d. mammals​​
19. Sperm whale population are​​ at risk​​ due to hunting.
a. in extinction b. in danger c. on the decrease​​ d. in fewness
20. These birds..........................to North Africa in winter.
a. settle b. go c. relocate d. migrate

Choose the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to
the underlined part in each of the following questions.
11. Sperm whale populations are at risk due to hunting.
A. in danger B. at hand C. on purpose D. in use
12. There is a wide variety of opinions on sea food cultivation.
A. same B. diversity C. supply D. Interaction
13. Sperm whales and sharks are carnivores.
A. animals that live in the sea B. animals that only eat plants.
C. fish that aren’t born from eggs D. animals that eat meat.
14. How many offspring does a sperm whale usually have?
A. eggs B. mammals C. babies D. diets.
15. Some marine animals are dangerous to humans.
A. living in the mountain B. living in the ocean
C. living in the forest D. living in the house
16. They tried to find a way of bettering their lives.
A. moving B. changing C. achieving D. improving
17. If modern technology did not exist, we would never have such precious information.
A. valuable B. precise C. confidential D. detailed
18. The floor was covered in tiny pieces of paper.
A. many B. very large C. extremely small D. unimportant

Circle the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of
the following questions.
19. Her word has enormously contributed ____________ the charity collection.
A. for B. on C to D. in
20. There is one ocean and it is divided ____________ five different parts: the Pacific, Atlantic,
Antarctic, and Arctic Oceans.
A. into B. of C. in D. at

Mới vào, xin giúp đỡ ạ :3

I. Pronunciation :
1. A. description B. tradition C. question D. expression
2. A. depth B. refer C. beneath D. secret
3. A. destroyed B. depressed C. filled D. answered
Main stress
4. A. destruction B. industry C. addition D. electric
5. A. against B. conserve C. frequent D. remove
II. Mark your answer to show the underlined part that needs correcting
6. Because of his mother has been seriously ill, she can’t come to the party.
A. Because of B. has been C. seriously ill D. can’t come
7. I'll pay you double if you get the work finishing by Friday.
A. I'll pay B. double C. if D. finishing
8. It often takes the boy about ten minutes to go to school from here by foot
A. takes B. ten minutes C. to school D. by foot
III. Mark your answer to indicate the correct answer to each of the following
questions
9/ What do I think of your purple shoes? Well, they're certainly _______.
A. differ B. difference C. different D. differently
10/ This has been a _______ time for us all.
A. challenge B. challenger C. challenged D.
challenging
11/ Scientists now send submarines to the seabed.
A. investigate B. investigative C. investigation D. investigating
12/ I need someone _______ to look after the children while I'm at work.
A. depend B. dependence C. dependable D. dependant
13/ These sperm whales to the warm waters to give birth .
A. settle B. goes C. relocate D. migrate
14/ They knew there must be trouble unless the report was by the next
day.
A. finish B. finishes C. finishing D. finished
15/ You _______ show this letter to anyone else.
A. mustn't B. didn’t have to C. couldn’t D. didn’t need
16/ I wouldn't work for them even if they _______ me twice my current salary.
A. paid B. had paid C. have paid D. pay
17/ If anyone _______ for me, please tell them I'll be back in the office at 4
o'clock.
A. rang B. had rung C. rings D. has rung
18/ Many people are very concerned about the _______ of the rainforests.
A. lost B. loss C. lose D. losing
19/ When preparing meals, you need to think about _______ and taste as well as
nutritional value.
A. variety B. various C. varied D. variable

20/ Some marine animals are dangerous to humans.
A. living in the mountain B. living in the ocean C. living in the forest D.
living in the house
21/ Sperm whales and sharks are carnivores.
A. animals that live in the sea B. animals that only eat plants
C. fish that aren't born from eggs D. animals that eat meat
22/ Zoos nowadays are very about their image.
A. sense B. sensitive C. sensible D. senseless
23/ A novelist is a person who has a very mind.
A. image B. imagine C. imaginative D. imagination
24/ Most of the old part of the city was _______ by bombs during the war.
A. planted B. destroyed C. eliminated D. worried
25/ We would never know the true of the loss of forest.
A. interest B. value C. conserve D. cost
26/ The floor was covered in tiny pieces of paper.
A. unimportant B. many C. very large D. extremely small
27/ He put an arm around her shoulder _______.
A. protected B. protection C. protective D.
protectively
28/ Her _______ of English grammar is very extensive.
A. know B. knowable C. knowledge D. knowing
29/ If modern technology did not exist, we would never have such precious information.
A. valuable B. precise C. confidential D. detailed
30/ The new job will provide you with _______ experience.
A. value B. valued C. valuable D. invaluable
31/ It is a smart to buy a large packet because it works out cheaper in the
end.
A. choice B. choose C. chose D. choosing
32/ We all enjoyed the waters of Timor Sea and the coral reefs that lie .
A. under B. behind C. beneath D. beside
33/ Some tiny organisms are along by the currents.
A. carried B. taken C. flowed D. moved
34/ is a chemical used for killing- weeds.
A. Pesticide B. Herbicide C. Fertilizer D. Antibiotic
35/ He is a biologist. He spends all his life studying sea plants and animals.
A. ocean B. marine C. botany D. sea
IV. Read the following passage and mark the letter A, B, C or D on your answer
sheet to indicate the correct answer for each of the blanks from 36 to 40
Have you ever seen a forest ……(36)…… by fire? A great forest fire is an awful thing to
see. Once a
fire started, it spreads….(37)……. Foresters say that late summer is the season when the
fire is the ……….(38)…..danger to woods and forests. They are very dry then. Sometimes
when the danger of fire is very great, foresters will not allow anyone to go into the forests.
If people leave a camp-fire burning near a heap of leaves, this often causes a forest fire.
Campers must always remember……….(39)…. out the camp-fire and cover the place with
earth. It is the duty of every camper to take the greatest care not to start a forest fire.

Anyone careless enough to start a forest fire has done something, ……(40)….. make life
more difficult for all of us. Every fire destroys valuable wood, wildlife and good soil.
Everyone of us must know how important it is to care for out great forest and save them
from fire.
36. A. destroying B. destroyed C. destroy D. destruction
37. A. protectively B. quick C. quickly D. protective
38. A. greatest B. great C. greater D. good
39. A. puts B. putting C. put D. to put
40. A. who B. whom C. which D. whose

I. Pronunciation :
1. A. description B. tradition C. question D. expression
2. A. depth B. refer C. beneath D. secret
3. A. destroyed B. depressed C. filled D. answered
Main stress
4. A. destruction B. industry C. addition D. electric
5. A. against B. conserve C. frequent D. remove
II. Mark your answer to show the underlined part that needs correcting
6. Because of his mother has been seriously ill, she can’t come to the party.
A. Because of B. has been C. seriously ill D. can’t come
7. I'll pay you double if you get the work finishing by Friday.
A. I'll pay B. double C. if D. finishing
8. It often takes the boy about ten minutes to go to school from here by foot
A. takes B. ten minutes C. to school D. by foot
III. Mark your answer to indicate the correct answer to each of the following
questions
9/ What do I think of your purple shoes? Well, they're certainly _______.
A. differ B. difference C. different D. differently
10/ This has been a _______ time for us all.
A. challenge B. challenger C. challenged D.
challenging
11/ Scientists now send submarines to the seabed.
A. investigate B. investigative C. investigation D. investigating
12/ I need someone _______ to look after the children while I'm at work.
A. depend B. dependence C. dependable D. dependant
13/ These sperm whales to the warm waters to give birth .
A. settle B. goes C. relocate D. migrate
14/ They knew there must be trouble unless the report was by the next
day.
A. finish B. finishes C. finishing D. finished
15/ You _______ show this letter to anyone else.
A. mustn't B. didn’t have to C. couldn’t D. didn’t need
16/ I wouldn't work for them even if they _______ me twice my current salary.
A. paid B. had paid C. have paid D. pay
17/ If anyone _______ for me, please tell them I'll be back in the office at 4
o'clock.
A. rang B. had rung C. rings D. has rung
18/ Many people are very concerned about the _______ of the rainforests.
A. lost B. loss C. lose D. losing
19/ When preparing meals, you need to think about _______ and taste as well as
nutritional value.
A. variety B. various C. varied D. variable

20/ Some marine animals are dangerous to humans.
A. living in the mountain B. living in the ocean C. living in the forest D.
living in the house
21/ Sperm whales and sharks are carnivores.
A. animals that live in the sea B. animals that only eat plants
C. fish that aren't born from eggs D. animals that eat meat
22/ Zoos nowadays are very about their image.
A. sense B. sensitive C. sensible D. senseless
23/ A novelist is a person who has a very mind.
A. image B. imagine C. imaginative D. imagination
24/ Most of the old part of the city was _______ by bombs during the war.
A. planted B. destroyed C. eliminated D. worried
25/ We would never know the true of the loss of forest.
A. interest B. value C. conserve D. cost
26/ The floor was covered in tiny pieces of paper.
A. unimportant B. many C. very large D. extremely small
27/ He put an arm around her shoulder _______.
A. protected B. protection C. protective D.
protectively
28/ Her _______ of English grammar is very extensive.
A. know B. knowable C. knowledge D. knowing
29/ If modern technology did not exist, we would never have such precious information.
A. valuable B. precise C. confidential D. detailed
30/ The new job will provide you with _______ experience.
A. value B. valued C. valuable D. invaluable
31/ It is a smart to buy a large packet because it works out cheaper in the
end.
A. choice B. choose C. chose D. choosing
32/ We all enjoyed the waters of Timor Sea and the coral reefs that lie .
A. under B. behind C. beneath D. beside
33/ Some tiny organisms are along by the currents.
A. carried B. taken C. flowed D. moved
34/ is a chemical used for killing- weeds.
A. Pesticide B. Herbicide C. Fertilizer D. Antibiotic
35/ He is a biologist. He spends all his life studying sea plants and animals.
A. ocean B. marine C. botany D. sea
IV. Read the following passage and mark the letter A, B, C or D on your answer
sheet to indicate the correct answer for each of the blanks from 36 to 40
Have you ever seen a forest ……(36)…… by fire? A great forest fire is an awful thing to
see. Once a
fire started, it spreads….(37)……. Foresters say that late summer is the season when the
fire is the ……….(38)…..danger to woods and forests. They are very dry then. Sometimes
when the danger of fire is very great, foresters will not allow anyone to go into the forests.
If people leave a camp-fire burning near a heap of leaves, this often causes a forest fire.
Campers must always remember……….(39)…. out the camp-fire and cover the place with
earth. It is the duty of every camper to take the greatest care not to start a forest fire.

Anyone careless enough to start a forest fire has done something, ……(40)….. make life
more difficult for all of us. Every fire destroys valuable wood, wildlife and good soil.
Everyone of us must know how important it is to care for out great forest and save them
from fire.
36. A. destroying B. destroyed C. destroy D. destruction
37. A. protectively B. quick C. quickly D. protective
38. A. greatest B. great C. greater D. good
39. A. puts B. putting C. put D. to put
40. A. who B. whom C. which D. whose

I choose the best answer
1. some whales migrate into warm waters to bear their ........
a. young b. diests c. calves d. young whales
2. whales feed on krill
a. tiny shellfish b. small fish c. sea plants d. small animals
3. ........ is the variety of different types of plant and animal life in a particular region
a. interaction b. herbicide c. environment d. biodiversity
4. he is a ........biologist. he spends all his life studying sea plants and animals
a. ocean b. marine c. botany d. sea
5. ........ is a chemical used for killing-weeds
a. pesticide b. herbicide c. fertilizer d. antibiotic
6. we all enjoyed the waters of timor sea and the coral reefs that lie ........
a. under b. behind c. beneath d. beside
7. some tiny organism are ........ along by the currents
a. carried b. taken c. flowed d. moved
8. sperm whales are ........ , which means they eat meat
a. herbivores b. carnivores c. omnivores d. mammals
9. sperm whale populartion are at risk due to hunting
a. in extinction b. in danger c. on the decrease d. in fewness
10. these birds ........ to north africa in winter
a. settle b, go c. relocate d. migrate

EX1:

1. In most major cities of the United States, the mayor....... by a simple majority

a. is being elected b. is elected c. had been elected d. were being elected

2. The traditions in our family ........ from generation, and I expect this will continue in the future

a. are going to be passed down b. were being passed down c. may have been passed d. have been passed down

3. My passport...... last year while I was on vacation

a. is stolen b. was stolen c. will be stolen d. was being stolen

4. Most of the email accounts at our company ..... by a virus last week

a. affected b. was affected c. were affected d. have been affected

5. Over 400 babies ..... in our community last year

a. born b. be born c. are born d. were born

6. It........that supplies of oil and natural gas may be exhausted in under 100 years

7. Where.........that only men can become president of this club?

a it is written b. is it written c. is it being written d. be believed

8. I think students..... to major in the sciences at this university for the past several years.

a.was being encouraged b. are being encouraged c. should be encouraged d. have been encouraged

9. ...... a tour of the facilities? It is important for you to see everything

a. were you given b. you could be given c, you had been given d, are you given

10. Many issues ....... at the meeting by the time you arrived

a. are raised b. raised c. had been raised d, have been raised

11. Many important but rare species of plants ........ in the Amazon

a, finds b. are finding c. are found d. is found

12. The people in the last row were ..... first

a.seating b, seat c. seated d. been seated

13. Where..............?

a. those photos were taken b, were those photos taken

c, have been taking those photos d. those photos have been taken

14. Details of the accident will........ some time tomorrow

a. release b, be released c. are released d, being released

15. In the past, it was...... that the sun revolved around the Earth

a. thinking b, think c, has thought d, thought

16. Congratulations to Dr. Casey. She has ..... a" first- class sufgeon" by a national journal

a. be named b, being named c, been naming d. been named