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UNIT 9. UNDERSEA WORLD
I. PRONUNCIATION
1.Choose the word that has the underlined (letters) pronounced differently from the others.
1. A. gulf B. surface C. submarine D. current
2.A. ocean B. undersea C. beneath D. deep
3.A. poor B. tour C. actual D. group
4.A. tiny B. device C. krill D. migrate
5.A. think B. depth C. further D. breath
2.Choose the word whose main stress is placed differently from the others.
6. A. maintain B. marine C. challenge D. device
7. A. investigate B. information C. submarine D. independent
8. A. organism B. environment C. temperature D. satellite
9. A. carnivore B. entrapment C. technology D. Atlantic
10. A. secret B. ocean C. migrate D. herbicide
II. VOCABULARY
1.Choose the one or phrase that best completes each sentence.
1.Some marine animals are dangerous to humans.
A. in the mountain B. in the ocean C. in the forest D. in the house
2.The floor was covered in tiny pieces of paper.
A. unimportant B. many C. very large D. extremely small
3.We had an accidental meeting with an old friend at the party last night.
A. unpleasant B. unexpected C. unlucky D. unacceptable
4.How many offsprings does a sperm whale usually have?
A. eggs B. mammals C. calves D. diets
5.He is always interested in the mysteries that lie beneath the blue depths of the ocean.
A. over B. under C. above D. on
6._________is the variety of different types of plant and animal life in a particular region.
A. Interaction B. Herbicide C. Environment D. Biodiversity
7.John’s father is a _________scientist. He studies life in the sea.
A. marine B. undersea C. submarine D. organism
8.Some tiny organisms are _________along by the currents.
A. carried B. taken C. flowed D. moved
9.Sperm whales are _________, which means they eat meat.
A. herbivores B. carnivores C. omnivores D. mammals
10.Seventy-five percent of the earth’s _________are covered by sea and oceans.
A. face B. flat C. resurface D. surface
11.In some countries, teenagers can live_________from their parents if they want.
A. dependently B. independence C. independent D. independently
12.Oil spills are a great _________to the undersea world.
A. threat B. threaten C. threatened D. threateningly
13.The teacher had divided the students _________small groups before they did their task.
A. of B. for C. into D. in
14.The authority supplied the victims of the fire _________food, clothes, and money.
A. on B. for C. to D. with
15.Her work has enormously contributed _________the charity collection.
A. for B. on C. to D. in
2.Fill in each blank with an appropriate preposition.
1. Thanks ________modern technology, scientists have been able to investigate the marine life.
2. Some of marine plants and animals live ________the sea bottom like the starfish.
3. Marine life would be ________stake if the sea biodiversity were not maintained.
4. 75 percentage ________the earth’s surface is covered by seas and oceans.
5. We can learn a wide range of information about marine life ________the satellite photographs.
III. GRAMMAR
1.If I in your position, I would not accept her offer.
A. am B. were C. have been D. would be
2.You should work harder for the coming terminal examination.
A. had better B. would rather C. needn’t D. mustn’t
3.Our teacher often advises us that ________ work in order to realize our ambitions.
A. you will B. we should C. should you D. should we
4.She suggested that he ________ his situation carefully.
A. should consider B. considers C. is considering D. has to consider
5.You ________ Mark. You know it’s a secret.
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A. should tell B. shouldn’t tell C. couldn’t tell D. might tell
6.What would Tom do if he ________ the truth?
A. would know B. has know C. knows D. knew
7.________ you, I would think twice about that decision. It could be a bad move.
A. If I am B. Should I be C. If I were D. If I had been
8.That sounds like a good offer. I ________ if I ________ you.
A. had accepted/were B. will accept/am C. would accept/were D. accepted/were
9. If energy ________ inexpensive and unlimited, many things in the world would be different.
A. is B. were C. had been D. would be
10.If I ________ wings, I ________ take an airplane to fly home.
A. have/won’t have to B. had/wouldn’t have to C. have/will have to D. had/didn’t have to
IV. READING
Dolphins are known as marine (1) ______they breathe air, they are warm-blood, and they bear live young
ones called (2) ______
The size of dolphin is very greatly. (3)______ smallest dolphins are just about 50 kg in weight and 1.2
meters in length (4) ______the largest one can weigh up to 8.200 kg and is 10 meters long.
Dolphins are sociable creatures. They swim together in group known as (5) ______They show great ability in the
water. Dolphins are interested (6) ______humans and often rescue people in the sea (7) ______are in danger. They are
intelligent creatures and make sounds to (8)_____ with each other. Scientists have studied dolphins (9) _____many years
and are now looking into the possibility of dolphins that are able to carry (10) _____ tasks under the sea.
1. A. fish B. creatures C. mammals D. life
2. A. babies B. calves C. young D. diets
3. A. A B. An C. The D. And
4. A. when B. as C. while D. since
5. A. currents B. schools C. herds D. teams
6. A. in B. at C. on D. of
7. A. which B. whose C. when D. who
8. A. talk B. communicate C. contact D. connect
9. A. in B. since C. for D. during
10. A. out B. in C. of D. with
V. WRITING
1. Write a sentence with “should/shouldn’t + the phrase”
Ex: I have a headache. (see a doctor) →You should see a doctor.
His stomach is aching. (not eat green fruit)→He shouldn’t eat green fruit.
1.My father has a sore throat. (not smoke so much)
______________________________________________________________________________________________
2.Nam feels very tired. (go to bed early)
______________________________________________________________________________________________
3.He had an accident last week. (not drive so fast)
______________________________________________________________________________________________
4.I catch flu. (stay in bed)
______________________________________________________________________________________________
5.Hoa feels sleepy. (not stay up late)
______________________________________________________________________________________________
6.His shirt is very old. (buy a new one)
______________________________________________________________________________________________
7.Her room is very dirty. (clean it every day)
______________________________________________________________________________________________
8.I play tennis badly. (practice tennis more regularly)
______________________________________________________________________________________________
2. Put the verb in brackets into the correct form.
1.If men __________________only more reasonable, there would be no more war. (be)
2.If I __________________his address I’d give it to you. (know)
3.If people __________________more carefully, they’d travel round the world. (drive)
4.If I __________________a lot of money, I would travel round the world. (have)
5.If she __________________ hard, she couldn’t support her family. (notwork)
6.If I __________________a big prize in a lottery, I’d give up my job. (win)
7.What __________you ________ if you found a burglar in your house. (do)
8.I could tell you what this means if I __________________ Greek. (know)
9.He might get fat if he __________________ smoking. (stop)
10. I could get a job easily if I __________________ a degree. (have)
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3.Identify the one underlined word or phrase that must be changed for the sentence to be correct.
1.Jack will win the election if he campaignedharder.
2.I think you shouldn’t do it if it werethe right thing to do.
3.Unless we work harder, we willfinishon time.
4.If I had money, I will buy a car.
5.What do you do if you lostyour passport?
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UNIT 10. CONSERVATION
I. PRONUNCIATION
1.Choose the word that has the underlined part pronounced differently from that of the others.
1. A. probably B. valuable C. bomb D.baby
2. A. campfire B. part C. animal D. natural
3. A. species B. destruction C. constant D. sickness
2. Choose the word that has the main stress placed differently from the others.
4. A. endanger B. disappear C. prohibit D. destruction
5. A. industrial B. environment C. agriculture D. responsible
6. A. introduce B. peacefully C. consequence D. influence
II. VOCABULARY
1. Choose the one or phrase that best completes each sentence.
1.The new laws to conserve wildlife in the area will come into force next month.
A. protect B. pollute C. destroy D. eliminate
2.Water pollution is more and more serious due to the tests of nuclear weapon in the seas and oceans.
A. circulation B. environment C. elimination D. contamination
3.Man and animals need a constant supply of water to live.
A. regular B. rare C. short D. inadequate
4.Without plants, most water would run off as soon as it falls, taking away valuable soil.
A. supplying B. recovering C. removing D. holding
5.The farmers removed some undeveloped trees to improve the growth of the rest.
A. eliminated B. planted C. fertilized D. transferred
6.Harmful insects must be _______to protect our crops.
A. conserved B. protected C. destroyed D. cultivated
7.The new laws will be _______to restrict wildlife destruction.
A. pasted B. passed C. supplied D. taken away
8.Up to now, AIDS have not been _______, and more and more people died of the disease.
A. treated B. concerned C. killed D. stopped
9.We cannot clean up our polluted rivers and seas _______.
A. during the night B. at night C. very quickly D. very slowly
10.She is a famous _______ she is very interested in protecting wild animals from extinction.
A. conserve B. conservationist C. conservation D. conservational
11.Up to now, we have hardly estimated the _______that our country suffered during the war.
A. destroy B. destroyable C. destructive D. destruction
12.The government have become more and more worried about the _______of the coastline by the sea.
A. erode B. erosion C. erosive D. erodent
13.We should do something immediately to save the Earth_______ being destroyed.
A. from B. for C. in D. at
14.Man is doing harm _______the environment.
A. on B. in C. for D. to
15.Fire is the greatest danger _______forests.
A. on B. of C. to D. in
2. Fill in each blank with an appropriate preposition.
1.Water can be hold _______ land by vegetation.
2. Man is constantly doing harm _______the environment.
3.The farm is famous _______its production of coffee.
4.Burning coal and oil releases gases which are harmful _______humans.
5.I think she is old enough to take care _______herself. She can live independently from her parents.
III. GRAMMAR
1._________ the report__________ yet?
A. Was/written B. Has/written C. Did /write D. Has/been written
2.The roads in our town _________.
A. wide B. are being wide C. are being widened D. are being widen
3.Just a minute. The food is ready and the table _________.
A. set B. sets C. is setting D. is being set
4._________ this tractor_________ last year?
A. Did /buy B. Was / bought C. Has / bought D. Has /been bought
5.In some areas, water _________from the ground faster than nature can replenish the supply.
A. is being taken B. has been taking C. is taking D. has taken
6. An announcement about the eight o'clock flight to Chicago ........................
A. has been already made B. has already made
C. has already been made D. already made
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