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SHARKS Mention the word “shark” to someone on the beach and you are bound to get a reaction. Sharks have been the most feared predator of the ocean. Sharks are fish. They have been around since the time of dinosaurs. They can be found in oceans all over the world, and they have also been found in some rivers and lakes. One difference between most other fish and a shark is that most fish have bones and a shark has cartilage. Cartilage is tough, but it is not as strong as bone. Another different is that the shark is only able to swim forward, while most fish can swim forwards and backwards. Fish also generally have slippery scales, while a shark has rough scales that feel like sandpaper. There are many different types of shark. In fact, there are about 368 different types. The differences include color, habitat, behavior, and size. Sharks are also known for their very sharp teeth. They do not use their teeth to chew their food. Instead they swallow large chunks of food. They have five rows of teeth. If a tooth is broken, it is replaced by another tooth. Sharks are carnivores, meaning that they eat meat. Sharks do not normally attack people. It seems like sharks attack people a lot, but the chances of getting stung by a bee or getting hit by lighting are greater. Even so, experts say it is important to keep an eye out for sharks when swimming in the ocean. 33.31. Shark are greatly feared by humans because they _____ A. are good swimmers B. are the right size C. are carnivores D. eat only plant 34.32. According to the passage, how are sharks different from most other fish? A. They do not have scales. B. They are camouflaged. C. They are slow moving. D. They are not able to swim backwards. 35.33. How many types of shark are there? A. 300 types B. 368 types C. 386 types D. half a thousand types 36.34. How do sharks chew their food? A. They use their teeth. B. They use their tongues C. They swallow food. D. They use both teeth and tongues. 37.35. Which of the following is NOT true according to the passage? A. Most animals in the ocean are afraid of sharks. B. Sharks eat all types of food, especially both plants and meat. C. Sharks are different from one another in their color, habitat, behavior and size. D. You can get stung by a bee more frequently than be attacked by a shark.

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III.Comparative and superative Noone in ... be / V + as + adj/adv + as + S = S + be/V + the short adj + est + in the most + long adj (Not) equal comparison = comparative 1.Susan isn't as good at chemistry as Sarah. =>Sarah is........ 2.No one in the group is younger than he. =>He is the......... 3.Stone isn't as hard as iron. =>Iron is......... 4.Tom is the best football player in the team. =>No one in the team is......... 5.I don't play the guitar as well as he does. =>He plays....... 6.My sister is taller than any other student in the class. =>My sister is the........ 7.No other cities in Vietnam is as large as HCM city. =>HCM city........ 8.This story is more interesting than any other story that I have ever heard. =>This is the ......... 9.My father can't cook as well as my mother does. =>My mother cook......... 10.My sister is taller than any other student in the class. =>My sister is the....... 11.My house is bigger than your house. =>Your house is...... 12.The black car is cheaper than the red car. =>The red car ........ 13.This film is more interesting than that one. =>The film is.......... 14.My kitchen is smaller than yours. =>Your kitchen............ 15.My grandmother is older than every one in my family. =>My grandmother is the......... 16.No one in my class is as tall as Tam. =>Tam is the........ 17.I can't cook as well as my mother. =>My mother can cook........ 18.He does not play tennis as well as Jack. =>Jack can........ 19.I did not spend as much money as you. =>You spend..,... 20.I don't think this book is expensive as is it. =>This book is........

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2. Choose the best answer for each blank. 1.Eat …….. high fat food for your health. A. much B. more C. less D. a lot 2. You need to spend ………. time playing computer. A. much B. less C. more D. a lot 3. Sitting too close to the TV hurts your ……… A. nose B. eyes C. ear D. mouth 4. Brushing your teeth regularly,………. you get toothache. A. or B. and C. but D. so 5. This test is ………. difficult than that one . A. more B. very C. most D. the more 6. He eats a lot of fruits………….. vegetables. A. or B. and C. but D. so 7. The Japanese eat a lot of fish instead of meat………. they stay more healthy. A. but B. because C. although D. so 8. Rob eats a lot of fast food and he……. On a lot of weight. A. takes B. puts C. spend D. brings 9. We need to spend less time ………. Computer games. A. play B. to play C. playing D. to playing 10. Do more exercise ……. Eat more fruit and vegetables. A. but B. or C. and D. so 11.Do more exercise ……. Eat more fruit and vegetables. A. but B. or C. and D. so 12. After working in computers for long hours , you should……..your eyes and relax. A. wake B. rest C. sleep D. sleep in 13. Eat less high-fast food to keep you from ……. Fat. A. gaining B. reducing C. getting D. rising 14. We should follow the advice from doctors and health……… in order to keep fit . A. manegers B. experts C. people D. workers 15. Have a health …….. and you can enjoy your life. A. lifeline B. lively C. lives D. lifestyle. 16. They go ……….. outside even when it’s cold. A. swims B. swiming C. swimming D. swam 17 . Rob eats a lot of fast food and he……. On a lot of weight. A. takes B. puts C. spend D. brings 18. We need to spend less time ………. Computer games. A. play B. to play C. playing D. to playing 19. To prevent ………., you should eat a lot of garlic and keep your body warm. A. cold B. mumps C. flu D. headache 20. Be careful with …….. you eat and drink . A. who B. this C. what D. that.

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