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2 năm trước
In these sentences, each one has four underlined words or phrases marked A, B, C, and D. Choose the one word or phrase that must be changed in order for the sentence to be correct.
Câu 1: The bus was plenty of people who had spent many a happy hour in the stores doing  their Christmas shopping.


A. was plenty of


B. many a happy hour


C. doing


D.  their
Câu 2: Not until I was on my way to the airport that I realized  I had left my passport at home   .


A. on my way 


B. that I realized


C. I had left


D. at home   
Câu 3: Mrs. Stevens, along with her cousins from New Mexico, are planning to attend the festivities.


A. with


B. her cousins


C. are


D. to attend 
Câu 4: Some of the plants in this store require very little care , but this one needs much more sunlight than the others ones


A. Some of the plants


B. little care


C. much more sunlight


D. others ones
Câu 5: Can you explain what the numbers of these animals have become small?


A. what


B. numbers


C. numbers


D. have become 

A.
B.
C.
D.
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Các câu hỏi liên quan

Choose the underlined words or phrases that are incorrect in standard written English.
Câu 1: The road on which we are driving is built in 1990.


A. The road


B. on which


C. are driving


D. is
Câu 2: All writing was done with hand until the invention of the printing press.


A. all


B. was done


C. with


D. printing
Câu 3: The Browns are going to India in July and they would go to Spain later in the summer.


A. are going to


B. in


C. would


D. later
Câu 4: Rubber is used to making tyres and other elastic things.


A. is used


B. to


C. typer


D. elastic
Câu 5: The police asked her if she witnessed the accident and if she can recognize the guilty man.


A. asked


B. if


C. can


D. guilty
Câu 6: Last year we went to Australia and stayed at my grandmother for two weeks


A. Last year


B. to


C. at


D. for
Câu 7: I have learned English for five years. I think learning languages is a hard work.


A. have learned


B. for


C. learning


D. a hard work
Câu 8: She asked me how long does it take me to go to school by bus.


A. asked


B. how long


C. does it take


D. by bus
Câu 9: He told us that he was absent from class the day before because of his illness.


A. told us


B. was


C. from


D. because of
Câu 10: The taxi driver told me that he will take me to the hotel.


A. told me


B. will


C. take me


D. to
024.7300.7989
1800.6947

A.
B.
C.
D.

Choose the underlined words or phrases that are incorrect in standard written English.
Câu 1: Can you tell me when penicillin is discovered? — In 1928.


A. tell


B. when


C. is


D. In
Câu 2: When my brother went to work in the city library, he became interesting in a books.


A. to


B. city


C. became


D. interesting
Câu 3: There was so many traffic that it took me an hour to get to the office.


A. was


B. many


C. took


D. to get
Câu 4: Are you accustomed to live in a big city yet?


A. Are


B. accustomed


C. live


D. yet
Câu 5: My uncle wishes he didn't waste time when he was voting.


A. wishes


B. didn't waste


C. when


D. was
Câu 6: We had to use the stairs because the elevator was out order


A. had to


B. use


C. because


D. out order
Câu 7: He has worked for the same company since he leaves school.


A. has worked


B. for


C. since


D. leaves
Câu 8: Do you know "Farad", a unit in electricity is named after Faraday?


A. know


B. unit


C. is


D. after
Câu 9: The girl was last saw wearing a pink dress and brown shoes.


A. last


B. saw


C. wearing


D. shoes
Câu 10: For the time being he was writing a new novel which iS a science fiction.


A. being


B. was writing


C. novel


D. is
024.7300.7989
1800.6947

A.
B.
C.
D.

VII- Read the following passage and mark the letter A, B. C or D on your answer sheet to indicate the correct answer to each of the questions from 53 to 62.A useful definition of an air pollutant is a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled – a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.Many of the more important are pollutants, such as sulfur dioxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature is output of these compounds dwarfs resulting from human activities. However, human production usually occurs in a localized area, such as a city.In this localized region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentrations need not be large for a substance to be a pollutant; in fact the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm.
Câu 1: What does the passage mainly discuss?


A. The economic impact of air pollution


B. What constitutes and air pollutants.


C. How much harm air pollutants can cause.


D. The effects of compounds added to the atmosphere.
Câu 2: The word ‘adversely’ in the first paragraph is closest in meaning to:


A. negatively


B. quickly


C. admittedly


D. considerably
Câu 3: It can be inferred from the first paragraph that


A. water vapor is an air pollutant in localized areas.


B. most air pollutants today can be seen or smelled.


C. the definition of air pollution will continue to change.


D. a substance becomes an air pollutant only in cities.
Câu 4: The word ‘altered’ in the second paragraph is closest in meaning to


A. eliminated


B. caused


C. alternated


D. modified
Câu 5: Natural pollutants can play an important role in controlling air pollution for which of the following reasons?


A. They function as part of a purification process.


B. They occur in greater quantities than other pollutants.


C. They are less harmful to living beings than are other pollutants.


D. They have existed since the Earth developed.
Câu 6: According to the passage, which of the following is true about human generated air pollution in localized regions?


A. It can be dwarfed by nature’s output of pollutants in the localized region.


B. It can overwhelm the natural system that removes pollutants.


C. It will damage areas outside of the localized regions.


D. It will react harmfully with naturally occurring pollutants.
Câu 7: The word ‘noxious’ in the third paragraph is closest in meaning to


A. harmful


B. noticeable


C. extensive


D. weak
Câu 8: According to the passage, the numerical value of the concentration level of a substance is only useful if __________


A. the other substances in the area are known.


B. it is in a localized area.


C. the naturally occurring level is also known.


D. it can be calculated quickly.
Câu 9: The word “detectable” in the third paragraph is closest in meaning to _________.


A. beneficial


B. special


C. measurable


D. separable
Câu 10:  
Which of the following is best supported by the passage?


A. To effectively control pollution, local government should regularly review their air pollution laws.


B. One of the most important steps in preserving natural lands is to better enforce air pollution laws.


C. Scientists should be consulted in order to establish uniform limits for all air pollutants.


D. Human activities have been effective in reducing air pollution.
024.7300.7989
1800.6947

A.
B.
C.
D.

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