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ENGLISH 10 - UNIT 9: UNDERSEA WORLD
I. Phonetics:
A. Choose the word that has the underlined part pronounced differently from the rest:
1. a. dearb. clearc. yeard. bear
2. a. hereb. wherec. weard. pair
3. a. floorb. poorc. usually d. casual
4. a. jealous b. weather c. heavy d. ideal
5. a. fourb. pourc. tourd. course
B.Choose the word whose main stress is placed differently from the others:
6. a. maintainb. marinec. challenged. device
7. a. investigateb. informationc. submarined. independent
8. a. organism b. environmentc. temperatured. satellite
9. a. carnivoreb. entrapment c. technology d. Atlantic
10. a. secretb. ocean c. migrate d. herbicide
II. Choose the best answer:
11. She needs a change. She ………… go away for a few days
a. may b. might c. shouldd. could
12. The sea is polluted, which ………………. sea plants and animals.
a. dangers b. dangerous c. dangerously d. endangers
13. He laughed to hide his ......
a. nerveb. nervous c. nervouslyd. nervousness
14. The ...... of the environment is one of the most serious challenges we face.
a. destructb. destruction c. destructived. destructively
15. The life …………….. of sperm whale can be up to seventy years.
a. period b. length c. distance d. span
16. Many dolphins can dive to ...... of 200 meters.
a. depthb. heightc. lowd. tall
17. The police have completed their ...... to the accident.
a. investigationb. investigatec. investigatory d. investigator
18. This book will provide you ……………. all the information you need.
a. for b. of c. with d. x (nothing)
19. Whales feed on krill.
a. tiny shellfish b. small fish c. sea plants d. small animals
20. Sperm whale population is at risk due to hunting.
a. in extinction b. in danger c. on the decrease d. in fewness
21. What would Tom do if he ...... the truth?
a. would know b. has know c. knowsd. knew
22. You...... Mark. You know it's a secret.
a. should tellb. shouldn't tellc. couldn't tell d. might tell
23.'Would you like some cake?' 'No, thanks. If I ………… cake, I...... fat.'
a. ate/ will getb. ate/ would getc. mould eat/ could get d. am eating/ will get
24. She's been studying hard for the exam, so she...... to pass.
a. shouldb. oughtc. had betterd. must
25. If I weren't working for an accounting firm, I………………..in a bank.
a. workb. will workc. have worked d. would be working
III. Find out one mistake from the underlined parts in the sentences below:
26. If you sold your house, you didn'tget much money for it.
a b c d
27. Thegovernment should done more to helphomeless people.
a b c d
28. What would you do if you have chance to travel in the submarine?
a b c d
29. Do you think I shouldapply to this job?
a b c d
30. If modern technology didn't exist, we will never have these precious pictures.
a b c d
IV. Rewrite each sentence, beginning as shown, so that the meaning stays the same:
1. She doesn’t have a bicycle, so she has to walk to school.
If ......
2. They don’t behave themselves, so their parents are not happy about that.
If ......
3. I am not a rich businessman and I can’t afford to buy an expensive car.
Were ......
4. My parents do not allow me to go, so I have to stay at home.
I wouldn’t ......
5. She doesn’t pay attention to her cooking so the food is horrible.
If ......
6. Because he wastes so much time in games, he doesn’t make a good progress in his study.
Unless ......
7. Lan is not happy because she doesn’t speak English as well as you do.
If ………......
8. He often stays up late to watch football matches, so he feels very tired.
Unless ......
9. Because he doesn’t drive carefully, he has many accidents.
He ………......
10. My uncle doesn’t know how to drive, so he doesn’t buy a car.
If ………......
V. READING
A. Read the passage carefully, then choose the correct answer - a, b, c, or d:
Most people are afraid of sharks, but they usually do not know much about them. For example, there are about 350 species of sharks that live in oceans over the world. All of the sharks are carnivores, but most of them don't attack people. Some sharks are very small - the smallest shark is about 6 inches long - about as long as your hand. But some sharks are very large. The largest species of sharks may be 60 feet long and weigh 15 tons. Unlike many other kinds of fish, sharks do not have bone. Their bodies are made up of a kind of tough white flexible material (called cartilage). Sharks do not have ears. However, they 'hear’ sounds and movements in the wade. Any sound or movement makes the water vibrates. Sharks can feel these vibrationsandthey help the sharks find food. Sharks use their large eyes to find food, too. Most sharks see best in low light. They often hunt for food at dawn. in the evening, or in the middle of the night.
Nowadays scientists want to learn more about sharks for several reasons. For example, cancer is common in many animals, including, people. However. it is rare in sharks. Scientists want to find out why sharks almost never get cancer. Maybe this information can help people prevent cancer too.
1. According to the passage, sharks…………………….
a. are big mammals. b. usually live in warm water. c. are meat eaters. d. always attack humans.
2. How long is a smallest shark?
a. About 6 centimeters b. As long as a hand c. As one's long hand d. About 1,5 meters
3. The word 'they'in line 11 refers to……………………..
a. sharks b. sounds c. vibrations d. movements
4. Sharks can hunt for food at night because ………………………..
a. they 'hear' more clearly at night.b. their eyes are large.
c. they feel vibrations in the water.d. they see well in the dark.
5. Which of the following is not true?
a. Large sharks can weigh up to 15,000 kg. b. Sharks' bodies are made up of cartilage.
c. Sharks can find their food by feeling vibrations. d. Sharks often attack people.
6. It can be inferred from the last paragraph that ………………………….
a. sharks are being studied.
b. the cancer risk among animals is found to be higher.
c. scientists are given permission to catch sharks for their studies.
d. information about sharks help people cure cancer.
B. Choose the correct option a, b, c or d to complete this, passage:
Dolphins are known as cetaceans or marine (1)...... they breathe air, they are warm-blood, and they bear live young ones called (2) ......
The size of dolphins very greatly. The smallest dolphins is just about 50 kg in weight and 1.2 meters in length (3) ...... 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 (4) ...... They show great ability in the water and you can often (5)...... them playing (6)...... ships. Dolphins are interested in 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 (10)...... able to carry out tasks under the sea.
1. a. fish b. creaturesc. mammalsd. life
2. a. babiesb. calvesc. youngd. diets
3. a. whenb. as c. whiled. since
4. a. currentsb. flocksc. herdsd. schools
5. a. look downb. come acrossc. run afterd. go by
6. a. aroundb. onc. ind. next
7. a. whichb. theyc. whend. who
8. a. talkb. contactc. communicate d. connect
9. a. inb. sincec. ford. during
10. a. beb. beingc. ared. that are
Answer keys:
IV. Rewrite each sentence, beginning as shown, so that the meaning stays the same:
1. She doesn’t have a bicycle so she has to walk to school.
If she had a bicycle, she would not have to walk to school.
2. They don’t behave themselves well so their parents are not happy about that.
If they behaved themselves well, their parents would be happy about that.
3. I am not a rich businessman and I can’t afford to buy an expensive car.
Were I a rich businessman, I could afford to buy an expensive car.
4. My parents do not allow me to go, so I have to stay at home.
If I wouldn’t have to stay at home If my parents allowed me to go.
5. She doesn’t pay attention to her cooking so the food is horrible.
If She paid attention to her cooking, the food wouldn’t be horrible.
6. Because he wastes so much time in games, he doesn’t make a good progress in his study.
Unless he wasted so much time in games, he would make a good progress in his study.
7. Lan is not happy because she doesn’t speak English as well as you do.
If Lan spoke English as well as you do, she would be happy.
8. He often stays up late to watch football matches, so he feels very tired.
Unless he often stayed up late to watch football matches, he wouldn’t feel very tired.
9. Because he doesn’t drive carefully, he has many accidents.
He wouldn’t have many accidents If he drove carefully.
10. My uncle doesn’t know how to drive, so he doesn’t buy a car.
If My uncle knew how to drive, he would buy a car.