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Read the passage and choose the best answerA pilot cannot fly by sight alone. In many conditions, such as flying at night and landing in dense fog, a pilot must use radar, an alternative way of navigating. Since human eyes are not very good at determining speeds of approaching objects, radar can show a pilot how fast nearby planes are moving. The basic principle of radar is exemplified by what happens when one shouts in a cave. The echo of the sounds against the walls helps a person determine th...
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Read the passage and choose the best answer
A pilot cannot fly by sight alone. In many conditions, such as flying at night and landing in dense fog, a pilot must use radar, an alternative way of navigating. Since human eyes are not very good at determining speeds of approaching objects, radar can show a pilot how fast nearby planes are moving. The basic principle of radar is exemplified by what happens when one shouts in a cave. The echo of the sounds against the walls helps a person determine the size of the cave. With radar, however, the waves are radio waves instead of sound waves. Radio waves travel at the speed of light, about 300,000 kilometers in one second. A radar set sends out a short burst of radio waves. Then it receives the echoes produced when the waves bounce off objects. By determining the time it takes for the echoes to return to the radar set, a trained technician can determine the distance between the radar set and other objects. The word “radar”,in fact, gets its name from the term “radio detection and ranging”. “Ranging” is the term for detection of the distance between an object and the radar set. Besides being of critical importance to pilots, radar is essential for air traffic control, tracking ships at sea, and for tracking weather systems and storms.
51. What is the main topic of this passage?
A. The nature of radar. B. History of radar. C. Alternatives to radar. D. Types of ranging.
52. According to the passage, what can radar detect besides location of objects?
A. Shape B. Size C. Speed D. Weight
53. The word “exemplified” in the passage can be replaced by_________.
A. “specified” B. “resembled” C. “illustrated” D. “justified”
54. The word “shouts” in the passage most closely means_________.
A. “exclaims” B. “yells” C. “shoots” D. “whispers”
55. Which of the following words best describes the tone of this passage?
A. argumentative B. explanatory C. humorous D. imaginative
24 tháng 5 2022 lúc 21:55
Choose the best word to complete the passage below. The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly (1)............. . They regard friendship as being very important throughout one‘s life. They are always open to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2)................ to their family.When they (3).................. you a gift, the Vietnamese will usually speak lightly about it. Even though it is an expensive...
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Choose the best word to complete the passage below.
The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly (1)............. . They regard friendship as being very important throughout one‘s life. They are always open to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2)................ to their family.
When they (3).................. you a gift, the Vietnamese will usually speak lightly about it. Even though it is an expensive gift, they may pretend it is of no great monetary value.
(4)............... 4,000 years of civilization, the Vietnamese are proud people who like to recite to a myth that they are descendants of an angel and a dragon.
If you happen to be in their homes at meal time, the Vietnamese will probably (5).............. you to sit down and share whatever food is (6).............. . Let them know that you enjoy their food is one way in successfully (7)_____a better relationship with (8)_______.
When they invite you to their homes for a meal, celebration, or special occasion, some (9).............. usually food, fruits, chocolate or liquors - should (10)________ offered to the host‘s family.
1. A. tradition B. feature C. culture D. manner
2. A. closed B. closing C. close D. being closed
3. A. give B. carry C. make D. sell
4. A. Of B. With C. At D. In
5. A. take B. require C. speak D. invite
6. A. good B. present C. available D. delicious
7. A. setting B. building C. taking D. being
8. A. them B. their C. you D. your
9. A. gifts B. invitations C. offers D. situations
10. A. is B. be done C. be D. must
Read the following text and choose the best answer for the questions below.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. C...
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Read the following text and choose the best answer for the questions below.
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 difference 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 lightning are greater. Even so, experts say it is important to keep an eye out for sharks when swimming in the ocean.
1. Sharks are greatly feared by humans because they_________.
A. are good swimmers B. are carnivores
C. are the right size D. eat only plants
2. According to the passage, how are sharks different from most other fish?
A. They do not have scales
B. They are slow moving
C. They are camouflaged
D. They are not able to swim backwards
3. Why did the author include the first paragraph?
A. To generally introduce sharks
B. To generate questions about sharks
C. To clear up misconceptions about sharks
D. To identify the food eaten by sharks
4. Sharks have very sharp teeth. If a tooth is broken, it is replaced___________.
A. by no teeth B. by another tooth
C. by other teeth D. by every tooth
5. Sharks are carnivores, meaning that_________.
A. they eat meat B. they eat other fish only
C. they eat plants D. they never eat the others
IV. Choose the best word to complete the passage below.The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly(1)............. . They regard friendship as being very important throughout one‘s life. They are always opento visits from friends. Drop-in visits are welcome. The Vietnamese are very (2)................ to their family.When they (3).................. you a gift, the Vietnamese will usually speak lightly about it. Even thoughit is an expensive gi...
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IV. Choose the best word to complete the passage below.
The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly
(1)............. . They regard friendship as being very important throughout one‘s life. They are always open
to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2)................ to their family.
When they (3).................. you a gift, the Vietnamese will usually speak lightly about it. Even though
it is an expensive gift, they may pretend it is of no great monetary value.
(4)............... 4,000 years of civilization, the Vietnamese are proud people who like to recite to a myth
that they are descendants of an angel and a dragon.
If you happen to be in their homes at meal time, the Vietnamese will probably (5).............. you to sit
down and share whatever food is (6).............. . Let them know that you enjoy their food is one way in
successfully (7)_____a better relationship with (8)_______.
When they invite you to their homes for a meal, celebration, or special occasion, some (9)..............
usually food, fruits, chocolate or liquors - should (10)________ offered to the host‘s family.
1. A. tradition B. feature C. culture D. manner
2. A. closed B. closing C. close D. being
closed
3. A. give B. carry C. make D. sell
4. A. Of B. With C. At D. In
5. A. take B. require C. speak D. invite
6. A. good B. present C. available D. delicious
7. A. setting B. building C. taking D. being
8. A. them B. their C. you D. your
9. A. gifts B. invitations C. offers D. situations
10. A. is B. be done C. be D. must
VI. Choose the best answer to complete the passage:Children in Vietnam go to school when ……………..(23) are 6 years old. From 6 to 11 they are in primary schools. From 11 to 17 boys and girls in Vietnam go to secondary schools. In secondary schools they have a lot of …………………….(24). They learn ……………………….(25) lots of different things. In VietNam, children ……………………….(26) go to school on Sunday. They like to stay at school all day. They love to have lunch with their friends, (27)…………………..day at school...
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VI. Choose the best answer to complete the passage:
Children in Vietnam go to school when ……………..(23) are 6 years old. From 6 to 11 they are in primary schools. From 11 to 17 boys and girls in Vietnam go to secondary schools. In secondary schools they have a lot of …………………….(24). They learn ……………………….(25) lots of different things. In VietNam, children ……………………….(26) go to school on Sunday. They like to stay at school all day. They love to have lunch with their friends, (27)…………………..day at school is a happy day for them.
23. A. he B. they C. you D. we
24. A. class B. studying C. subjects D. subject
25. A. about B. to C. by D. from
26. A. often B. always C. usually D. never
27. A. each B. a C. other D. others
12 tháng 9 2021 lúc 13:46
Choose the best answer to complete the sentences below.3. Look ! The girls ……….. rope in the playground.A. areB. are playsC. is playingD. are playing4. In my living room, there is ____________ .A. a fridge and a cooker B. a sofa and a TV C. a bath and a TV D. two tables and a sofa5. Hoa ________ an oval face with big black eyes. A. is B. are C. have D....
Đọc tiếp
Choose the best answer to complete the sentences below.
3. Look ! The girls ……….. rope in the playground.
A. are | B. are plays | C. is playing | D. are playing |
4. In my living room, there is ____________ .
A. a fridge and a cooker B. a sofa and a TV
C. a bath and a TV D. two tables and a sofa
5. Hoa ________ an oval face with big black eyes.
A. is B. are C. have D. has
Choose the words whose underlined part pronounced differently from others
6. A.tables B. vases C.fridges D. benches
7.A. compass B. colour C. computer D. come
Put the verbs in brackets into correct form. (Chia động từ)
9. Hoa and Mai (not/go) …………………. to the cinema.
10. (you / be) ……………….….a student in Tam Hop secondary school?
11. What ………………………………… (you / usually / do) at weekends?
12. Van ( walk) ………………..……. to school.
IV. Choose the best word to complete the passage below. My parents are farmers. They work very (1) ______ on the paddy fields. They usually get (2) ______very early in the morning. After (3) _____ breakfast, they feed the buffaloes, pigs, chickens, ducks and they (4) _____ the eggs. From about eight, they work on the field. They (5) ______ rice but their (6) ______ is vegetables. From eleven thirty to one thirty, they rest and have lunch. They continue to work until five in the afternoon then th...
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IV. Choose the best word to complete the passage below. My parents are farmers. They work very (1) ______ on the paddy fields. They usually get (2) ______very early in the morning. After (3) _____ breakfast, they feed the buffaloes, pigs, chickens, ducks and they (4) _____ the eggs. From about eight, they work on the field. They (5) ______ rice but their (6) ______ is vegetables. From eleven thirty to one thirty, they rest and have lunch. They continue to work until five in the afternoon then they come back home. My mother (7) ______the animals again while my father (8)______ the buffalo shed and the chicken coop. They usually finish their work at about six thirty. Twice a week, my mother (9) _______the vegetables and eggs to the town market to sell them then she often buys the things we need for our daily life. She also (10) _____ me a small present each time.
1. A. hard B. hardly C. harder D. hardest
2. A. on B. off C. up D. in
3. A. to have B. having C. have D. had
4. A. take B. see C. have D. collect
5. A. plant B. water C. grow D. cut
6. A. period B. crop C. time D. harvest
7. A. leads B. feeds C. gives D. calls
8. A. cleans B. washes C. polishes D. clears
9. A. makes B. takes C. carries D. brings
10. A. buying B. buys C. to buy D. bought
Choose the best word to complete the passage below.I live in a house near the sea. It is ...(1)... old house, about 100 years old and...(2)... very small. There are two bedrooms upstairs...(3)... no bathroom. The bathroom is downstairs ... (4)... the kitchen and there is a living room where there is a lovely old fire place. There is a garden...(5)... the house. The garden...(6)... down to the beach and in spring and summer...(7)... flowers every where. I like alone with my dog, Rack, but we have...
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Choose the best word to complete the passage below.
I live in a house near the sea. It is ...(1)... old house, about 100 years old and...(2)... very small. There are two bedrooms upstairs...(3)... no bathroom. The bathroom is downstairs ... (4)... the kitchen and there is a living room where there is a lovely old fire place. There is a garden...(5)... the house. The garden...(6)... down to the beach and in spring and summer...(7)... flowers every where. I like alone with my dog, Rack, but we have a lot ...(8)... visitors. My city friends often stay with...(9)...
I love ….(10)…. house for many reasons: the garden, the flowers in summer, the fee in winter, but the best thing is the view from my bedroom window.
1. A. a B. an C. the D. any
2. A. It's B. It C. there's D. They're
3. A. so B. or C. but D. too
4. A. between B. next C. near to D. next to
5. A. in front B. front of C. of front in D. in front of
6. A. go B. going C. goes D. in goes
7. A. these are B. they are C. there are D. those are
8. A. for B. of C. on D. with
9. A. me B. I C. my D. I'm
10. A. my B. I C. me D. it
I. Choose the word or phrase that best completes each sentence below.1. We should use _______ shopping bag to protect the environment.1 điểmA. reusableB. reusedC. reusingD. reuse2. Nowadays, people are using more ______ cosmetics.1 điểmA. natureB. naturallyC. naturalD. unnatural3. My teacher asks us to ______ the amount of waste at school.1 điểmA. reducingB. reducedC. reductionD. reduce4. Air ______ is a serious problem that our city is facing due to our own activities.1 điểmA. polluteB. pollute...
Đọc tiếp
I. Choose the word or phrase that best completes each sentence below.
1. We should use _______ shopping bag to protect the environment.
1 điểm
A. reusable
B. reused
C. reusing
D. reuse
2. Nowadays, people are using more ______ cosmetics.
1 điểm
A. nature
B. naturally
C. natural
D. unnatural
3. My teacher asks us to ______ the amount of waste at school.
1 điểm
A. reducing
B. reduced
C. reduction
D. reduce
4. Air ______ is a serious problem that our city is facing due to our own activities.
1 điểm
A. pollute
B. polluted
C. pollution
D. pollutant
5. ___ bags should be banned because the use of them pollutes our land and water seriously
1 điểm
A. glass
B. wooden
C. garment
D. plastic
6. Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences.
1 điểm
A. reason
B. make
C. do
D. purpose
7. Choose the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following sentences.
1 điểm
A. fresh
B. clean
C. dirty
D. friendly
8. Our water bill ______ really high this month if you always forget to turn off the tap after taking baths.
1 điểm
A. will be
B. will is
C. will not be
D. will is not
9. If you ____ your plastic water bottles to make flower pots, it will be a great idea.
1 điểm
A. will reuse
B. reuse
C. reused
D. reuses
10. If we ____ to go to school this afternoon, I and my friends will go to collect waste paper to create fund for the charity group.
1 điểm
A. have
B. doesn't have
C. don't have
D. do have
11. If we plant more trees in our neighbourhood, the atmosphere will ________ more comfortable.
1 điểm
A. become
B. becomes
C. became
D. be become
12. _______ you _______ hiking in the mountains if it rains tomorrow?
1 điểm
A. Will/go
B. Will/to go
C. Do/go
D. are/go
13. If you throw rubbish in the river, there ______ no place for fish to live in.
1 điểm
A. will are
B. will is
C. will be
D. will do
14. If you ______ absent most interesting t from the English class today, you will miss one of the lessons ever.
1 điểm
A. will be
B. shall be
C. are
D. do be
15. A ___ bulb produces light and heat at the same time so it is said to be a waste of energy.
1 điểm
A. lamp
B. light
C. electric
D. solar
II. Find mistakes
1. Unless she doesn't come, I will miss her.
1 điểm
A. unless
B. doesn't come
C. will
D. miss
Xóa lựa chọn
2. If he finish this work, he can go home late
1 điểm
A. If
B. finish
C. can go
D. home
Xóa lựa chọn
3. If she is to follow the class rules, she won't get punished.
1 điểm
A. is to follow
B. class rules
C. won't
D. get
Xóa lựa chọn
4. If her idea to put the recycling bin in the class is accepted, fewer plastic bottles will thrown away on the school yard.
1 điểm
A. to put
B. fewer
C. will thrown
D. on
5. Will it possible for children to learn from home if we have a good internet system?
1 điểm
A. will it possible
B. to learn
C. have
D. internet system
III. Read the passage and decide whether the sentences are True (T) or False (F).
5 điểm
T
F
1. Using showers can save more water than baths.
2. You shouldn't use a glass of water for cleaning your teeth.
3. A hose should be used to water plants and vegetables.
4. The water from the washing machine should be used for other things.
5. You should switch off the taps properly to help save water at school.
1. Using showers can save more water than baths.
2. You shouldn't use a glass of water for cleaning your teeth.
3. A hose should be used to water plants and vegetables.
4. The water from the washing machine should be used for other things.
5. You should switch off the taps properly to help save water at school.
IV. Choose the sentence (A, B, C or D) that is closest in meaning to the root sentence.
1. We are throwing too many glass bottles away. We are wasting a lot of money.
1 điểm
A. if we throw away too many glass bottles, we will save a lot of money.
B. If we don't throw away too many glass bottles, we will waste a lot of money.
C. If we reuse glass bottles, we will save a lot of money.
D. If we reuse glass bottles, we will waste a lot of money.
2. Plastic bags should be banned to protect the environment
1 điểm
A. People should ban plastics bags to protect the environment.
B. People should protect the environment to ban plastic bags.
C. People should protect the environment and ban plastic bags.
D. Plastic bags should ban to protect the environment
3. Mai is eating breakfast too slowly. She will be late for school.
1 điểm
A. If Mai eats breakfast more quickly, she will be late for school.
B. If Mai doesn't eat breakfast more quickly, she will be late for school.
C. Unless Mai doesn't eat breakfast more quickly, she will be late for school.
D. Unless Mai eat breakfast slowly, she will be late for school.
4. Minh often forgets to turn off the light when he gets out of the room. The electricity bill will be really high.
1 điểm
A. If Minh doesn't often forget to turn off the light when he gets out of the room, the electricity bill will be really high.
B. If Minh often forgets to turn off the light when he gets out of the room, the electricity bill won't be really high.
C. Unless Minh often forgets to turn off the light when he gets out of the room, the electricity bill will be really high.
D. If Minh often forgets to turn off the light when he gets out of the room, the electricity bill will be really high.
5. The manufacturers put too much packaging on the things they produce, it is really wasteful.
1 điểm
A. If the manufacturers put too much packaging on the things they produce it will be less wasteful.
B. If the manufacturers don't put too much packaging on the things they produce, it will be more wasteful.
C. If the manufacturers don't put too much packaging on the things they produce, it will be less wasteful.
D. Unless the manufacturers put too much packaging on the things they produce, it will be more wasteful.
16 tháng 7 2021 lúc 18:15
IV. Choose the best word to complete the passage below.Most people think (1) _____ computers are very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over 2 centuries ago by a man (2) ________ Charles Babbage. Babbage was born (3) _________ 1791 and grew (4) _______ to be a brilliant mathematician. He (5) ______ up plans for several calculating machines which he called engines. But despite the fact that he (6) ____ building some...
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IV. Choose the best word to complete the passage below.
Most people think (1) _____ computers are very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over 2 centuries ago by a man (2) ________ Charles Babbage. Babbage was born (3) _________ 1791 and grew (4) _______ to be a brilliant mathematician. He (5) ______ up plans for several calculating machines which he called "engines". But despite the fact that he (6) ____ building some of these, he never finished any of them. Over the years, people have argued (7) ______ his machines would ever work. Recently, however, the Science Museum in London has finished building engine based (8) _______ of the Babbage's designs. (9) _______ has taken 6 years to complete and more than 4 thousand parts have been specially made.
Whether it works or not, the machine will (10) _________ on show at a special exhibition in the Science Museum to remind people of Babbage's work.
1. A. of B. from C. in D. up
2. A. known B. called C. recognized D. witten
3. A. about B. around C. in D.at
4. A. down B. up C. along D. . across
5. A. wrote B. drew C. took D. made
6. A. wanted B. started C. made D. missed
7. A. until B. though C. why D. whether
8. A. on B. off C. in D. out
9. A. He B. One C. It D. They
10. A. come B. be C. take D. carry