Cho hai hàm số liên tục trên  thỏa mãn, Tính ?  

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35:

 The United States has many different types of families. While most American families are traditional, (31) __________ a father, a mother and one or more children, 22 percent of all American families in 1998 were headed by one parent, usually a woman. In a few families in the United States, there are no children. These (32) ___________ couples may believe that they would not make good parents; they may want freedom from responsibilities of childbearing; or, perhaps they (33) ___________ physically able to have children. Other families in the United States have one adult who is a stepparent. A stepmother or stepfather is a person who joins a family by marrying a father or a mother. Americans (34) ___________ and accept these different types of families. In the United States people have right to privacy and Americans do not believe in telling other Americans what type of family group they must belong to. They respect each other’s choices regarding family groups. Families are very important (35) ___________ Americans.

Question 35

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks:

The home was an important aspect of ancient Greek civilization and the term oikos not only meant house or home, but also a man’s domain. (46)_______, home ownership brought with it considerable responsibility, including protection of the home's inhabitants. A typical Athenian (47)_______ in the 5th and 6th centuries BC consisted of a couple, any children might have, plus several slaves. The men were often (48)_______ for work or at war and, as a result, security was a constant worry. A typical dwelling had high walls and a strong gate, and was constructed of mud bricks around a central courtyard, (49)_______ might have been used for cooking, relaxing or socializing with friends and family members. The courtyard also (50)_______ women the chance to enjoy the open air in the privacy of their own home, as they did not normally go out much.

Question 46:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks:

The home was an important aspect of ancient Greek civilization and the term oikos not only meant house or home, but also a man’s domain. (46)_______, home ownership brought with it considerable responsibility, including protection of the home's inhabitants. A typical Athenian (47)_______ in the 5th and 6th centuries BC consisted of a couple, any children might have, plus several slaves. The men were often (48)_______ for work or at war and, as a result, security was a constant worry. A typical dwelling had high walls and a strong gate, and was constructed of mud bricks around a central courtyard, (49)_______ might have been used for cooking, relaxing or socializing with friends and family members. The courtyard also (50)_______ women the chance to enjoy the open air in the privacy of their own home, as they did not normally go out much.

Question 47:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks:

The home was an important aspect of ancient Greek civilization and the term oikos not only meant house or home, but also a man’s domain. (46)_______, home ownership brought with it considerable responsibility, including protection of the home's inhabitants. A typical Athenian (47)_______ in the 5th and 6th centuries BC consisted of a couple, any children might have, plus several slaves. The men were often (48)_______ for work or at war and, as a result, security was a constant worry. A typical dwelling had high walls and a strong gate, and was constructed of mud bricks around a central courtyard, (49)_______ might have been used for cooking, relaxing or socializing with friends and family members. The courtyard also (50)_______ women the chance to enjoy the open air in the privacy of their own home, as they did not normally go out much.

Question 48:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate to the word or phrase that best fits each of the numbered blanks from 1 to 5:

 The final stage before adulthood is adolescence. This is a period of transition for teenagers and there are many crucial milestones. Socially and emotionally, teens worry that they may not be developing at the same rate (1)_______ their peers. They become extremely self-conscious and may be sensitive about their appearance. Teens may rebel (2) ________ their parents but are also more able to accept the consequences of their actions. This is also a period of enormous physical changes and adolescent experience changes in their physical development at a rate unparalleled since infancy. These changes include significant gains in height and weight. Within a year, boys and girls can gain an (3)_________ of 4.1 inches and 3.5 inches repectively. This growth spurt typically 2 years earlier for girls than for boys and can tend to make both sexes go through a clumsy phase. (4)_________ their cognitive development, adolescents have greater reasoning skills and have developed the ability to think logically and hypothetically. They are also able to discuss more abstract concepts. They should also have (5)__________strategies to help them study.

Question 2:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate to the word or phrase that best fits each of the numbered blanks from 1 to 5:

 The final stage before adulthood is adolescence. This is a period of transition for teenagers and there are many crucial milestones. Socially and emotionally, teens worry that they may not be developing at the same rate (1)_______ their peers. They become extremely self-conscious and may be sensitive about their appearance. Teens may rebel (2) ________ their parents but are also more able to accept the consequences of their actions. This is also a period of enormous physical changes and adolescent experience changes in their physical development at a rate unparalleled since infancy. These changes include significant gains in height and weight. Within a year, boys and girls can gain an (3)_________ of 4.1 inches and 3.5 inches repectively. This growth spurt typically 2 years earlier for girls than for boys and can tend to make both sexes go through a clumsy phase. (4)_________ their cognitive development, adolescents have greater reasoning skills and have developed the ability to think logically and hypothetically. They are also able to discuss more abstract concepts. They should also have (5)__________strategies to help them study.

Question 4:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate to the word or phrase that best fits each of the numbered blanks from 1 to 5:

 The final stage before adulthood is adolescence. This is a period of transition for teenagers and there are many crucial milestones. Socially and emotionally, teens worry that they may not be developing at the same rate (1)_______ their peers. They become extremely self-conscious and may be sensitive about their appearance. Teens may rebel (2) ________ their parents but are also more able to accept the consequences of their actions. This is also a period of enormous physical changes and adolescent experience changes in their physical development at a rate unparalleled since infancy. These changes include significant gains in height and weight. Within a year, boys and girls can gain an (3)_________ of 4.1 inches and 3.5 inches repectively. This growth spurt typically 2 years earlier for girls than for boys and can tend to make both sexes go through a clumsy phase. (4)_________ their cognitive development, adolescents have greater reasoning skills and have developed the ability to think logically and hypothetically. They are also able to discuss more abstract concepts. They should also have (5)__________strategies to help them study.

Question 5:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate to the word or phrase that best fits each of the numbered blanks from 1 to 5:

 The final stage before adulthood is adolescence. This is a period of transition for teenagers and there are many crucial milestones. Socially and emotionally, teens worry that they may not be developing at the same rate (1)_______ their peers. They become extremely self-conscious and may be sensitive about their appearance. Teens may rebel (2) ________ their parents but are also more able to accept the consequences of their actions. This is also a period of enormous physical changes and adolescent experience changes in their physical development at a rate unparalleled since infancy. These changes include significant gains in height and weight. Within a year, boys and girls can gain an (3)_________ of 4.1 inches and 3.5 inches repectively. This growth spurt typically 2 years earlier for girls than for boys and can tend to make both sexes go through a clumsy phase. (4)_________ their cognitive development, adolescents have greater reasoning skills and have developed the ability to think logically and hypothetically. They are also able to discuss more abstract concepts. They should also have (5)__________strategies to help them study.

Question 1:

Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35:

GLOBAL WARMING

Few people now question the reality of global warming and its effects on the world’s climate. Many scientists (31) ________ the blame for recent natural disasters on the increase in the world’s temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (32) ________ to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (33) ________ and causing sea levels all around the world to rise. Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (34) ________ by factories and power plants, thus attacking the problem at its source. They are in favor of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power station. Some scientists, (35) ________, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is to stay.  

Question 35:        

Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35:

GLOBAL WARMING

Few people now question the reality of global warming and its effects on the world’s climate. Many scientists (31) ________ the blame for recent natural disasters on the increase in the world’s temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (32) ________ to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (33) ________ and causing sea levels all around the world to rise. Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (34) ________ by factories and power plants, thus attacking the problem at its source. They are in favor of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power station. Some scientists, (35) ________, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is to stay.

Question 34: