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2 năm trước
Mark the leter A, B, Cor D on your answer sheet to show the undertlined part that needs correction.
Câu 1: It is advisable that (A) students, who (B) are not good at math, not require (C) to take advanced math in (D) high school.


A. that


B. who


C. not require


D. in
Câu 2: China, the fourth (A) largest and the most populated (B) country in the world, is on its way to becoming (C) the most domineering (D) nation on the planet today.


A. fourth


B. populated


C. becoming


D. domineering
Câu 3: Ants were the first group of eusocial predatory insects (A) that both (B) lived and foraged primarily (C) in the soil and in rotting vegetation (D) on the ground.


A. eusocial predatory insects 


B. both


C. primarily


D. vegetation

A.
B.
C.
D.
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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 question.All living cells in an animal's body require energy to power the various chemical processes going in inside them. This energy is ultimately supplied by the food that animals eat. These chemical processes are collectively referred to as metabolism, and one of the byproducts of metabolism is heat. Metabolic rates vary significantly between species. Warm-blooded animals (birds and mammals) have metabolic rates about five to ten times higher than those of similarly sized cold-blooded ones (reptiles, amphibians, and fishes). And it is precisely because birds and mammals have such high metabolic rates that they are able to keep their bodies warm.The terms warm-blooded and cold-blooded are still in everyday use, but they are not entirely precise. Anyone who has handled a snake knows this because a snake’s body actually feels quite warm. But very little of the snake’s body heat originates internally, from its cells, most of it having been supplied from the outside, either by the sun or by a heat lamp. Instead of referring to reptiles as cold-blooded, they are best described as ectothermic, meaning “outside heat”. Similarly, birds and mammals are said to be endothermic, meaning “inside heat”.There are advantages and disadvantages to each thermal strategy. Reptiles are usually sluggish first thing in the morning, their body temperatures having dropped during the cool of the night. Accordingly, they have to bask in the sun to raise their body temperatures, but once they have warmed up sufficiently, they can go about their business. By altering between the sun when they are too cool, and the shade when they are too warm, many reptiles are able to maintain their body temperatures at optimum levels of about 95°F or more. Endotherms, on the other hand, maintain temperatures of about 98°F all the time, so they are always ready for action.I used to keep a crocodile. He had very sharp teeth, and I had to be careful how I handled him during the daytime, when he was warm. But I could do whatever I wanted at night, when he was cold, without any fear of being bitten. The obvious disadvantage of being ectothermic is that the animal’s activity levels are dependent upon the environment. But its low metabolic rates mean that it requires far less food, which is an advantage. I used to feed the crocodile a tiny piece of liver once a week, while the family cat demanded three meals every day. We should therefore not think that reptiles are inferior to mammals and birds; they are just different.
Câu 1: What is the best title of the passage?


A. Birds and Mammals            


B. Endotherms and Ectotherms


C. Advantages of Entothermism  


D. Common Misconceptions about Reptiles
Câu 2: What is TRUE according to the passage?


A. Many retiles can be very dangerous during the day.


B. Mammals have more stable temperatures than reptiles.


C. Not all reptiles are cold-blooded.


D. All reptiles often hibernate in winter in order to survive well.
Câu 3: The word “sluggish” in paragraph 3 is closest in meaning to                    .


A. sleepy


B. cold


C. inactive


D. warm
Câu 4: What does the word “they” in paragraph 2 refer to?


A. cells


B. snakes


C. reptiles


D. mammals
Câu 5: What can be inferred from the passage?


A. Reptiles cannot absorb energy from the surrounding environment.


B. Endothermic animals are more active than ectothermic animals.


C. Maintaining a high metabolic rate requires lots of fuel in the form of food.


D. Reptiles cannot function properly and survive if there is no sun.
Câu 6: According to the author, the term "cold - blooded" is misleading because "cold - blooded" animals_________.


A. cannot survive cold temperatures even when being exposed to the sun


B. are more affected by heat than by cold in any environment


C. often have a body temperature comparable to that of warm - blooded animals


D. always have a higher body temperature than the temperature of the environment
Câu 7: The word "inferior" in paragraph 4 is closest in meaning to________


A. always comparable


B. at a lower rank    


C. very opposite    


D. quite similar
Câu 8: Why does the author mention his pet in the last paragraph?


A. Because he wants to advise on how to handle pets safely.


B. Because he wants to say that keeping a reptile as pet is less expensive.


C. Because he wants to compare reptiles’ metabolic rates with those of mammals and birds.


D. Because he wants to illustrate that ectothermism has both advantages and disadvantages.
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A.
B.
C.
D.

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.            Many ants forage across the countryside in large numbers and undertake mass migrations; these activities proceed because one ant lays a trail on the ground for the others to follow. As a worker ant returns home after finding a source of food, it marks the route by intermittently touching its stinger on the ground and depositing a tiny amount of trail pheromone-a mixture of chemicals that delivers diverse messages as the context changes. These trails incorporate no directional information and may be followed by other ants in either direction.            Unlike some other messages, such as the one arising from a dead ant, a food trail has to be kept secret from members of other species. It is not surprising then that ant species use a wide variety of compounds as trail pheromones. Ants can be extremely sensitive to these signals. Investigators working with the trail pheromone of the leafcutter ant Attatexana calculated that one milligram of this substance would suffice to lead a column of ants three times around Earth.            The vapor of the evaporating pheromone over the trail guides an ant along the way, and the ant detects this signal with receptors in its antennae. A trail pheromone will evaporate to furnish the highest concentration of vapor right over the trail, in what is called a vapor space. In following the trail, the ant moves to the right and left, oscillating from side to side across the line of the trail itself, bringing first one and then the other antenna onto the vapor space. In following the trail, the ant moves to the right and left, oscillating from side to side across the line of the trail itself, bringing first one and then the other antenna into the vapor space. As the ant moves to the right, its left antenna arrives in the vapor space.The signal it receives causes it to swing to the left, and the ant then pursues this new course until its right antenna reaches the vapor space. It then swings back to the right, and so weaves back and forth down the trail.
Câu 1: The word “intermittently” in the passage is closest in meaning to _______


A. lazily


B. happily


C. periodically


D. incorrectly
Câu 2: According to the passage, how are ants guided by trail pheromones?


A. They avoid the vapor spaces by moving in a straight line.


B. They concentrate on the smell of food.


C. They follow an ant which is familiar with the trail.


D. They sense the vapor through their antennae.
Câu 3: What does the word “it” in paragraph 3 refer to?


A. signal


B. ant


C. antenna


D. space
Câu 4: What does the passage mainly discuss?


A. How ants mark and follow a chemical trail.       


B. Different species of ants around the world.


C. The information contained in pheromones.  


D. The mass migration of ants.
Câu 5: Why do ants use different compounds as trail pheromones?


A. to protect their trail from other species 


B. to reduce their sensitivity to some chemicals


C. to indicate how far away the food is   


D. to attract different types of ants

A.
B.
C.
D.

Read the following passage and mark the letter A, B, C or D on  your answer sheet to indicate the each of the questions.         Unlike previous generations, millennials look further than job stability, competitive salaries and benefits to be committed and loyal to a company. They are driven by a sense of shared purpose, (25) _______ means they need to have a strong sense of their part in the ‘bigger picture’ to bring their best results to the workplace. And (26) _______  until now businesses are mostly focused on (27) _______ key consumer needs, what becomes clear when  examining the global workforce trends by 2020 is that employee experience is equally important for company success . This is easily seen in a number of tech giants and industry leaders like Google, Facebook, SAP, Tumblr, Intuit, and others. These brands build their entire (28)______structure and organizational ethos around the experience of their employees. State-of-the-art office campuses, flexible hours and resting rooms are only some of the methods these enterprises leverage to keep their employee experience great. And more importantly, all of these are fast becoming the norm in (29) _______ to today’s workplace trends for companies that understand millennials and know that the 2020 workplace needs to be more dynamic, purpose-driven and versatile.
Câu 1: (25) 


A. which


B. who


C. that


D. whose
Câu 2: (26) 


A. although


B. therefore


C. yet


D. thus
Câu 3: (27) 


A. satisfactorily


B. satisfactory


C. satisfying


D. satisfaction
Câu 4: (28) 


A. principal


B. center


C. core


D. chief
Câu 5: (29)


A. accordance


B. response


C. view


D. respect

A.
B.
C.
D.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Câu 1: The children were attracted by the show. It was performed by the animals.


A. The children were attracted by the show performed by the animals.


B. Performing by the animals, the show attracted the children.


C. The children were attracted by the show to have been performed by the animals.


D. The children attracted by the show which was performed by the animals.
Câu 2: You cannot completely avoid stress in your life. You need to find ways to cope with it.


A. As you cannot completely avoid stress in your life, you need to find ways to cope with it.


B. After you can completely avoid stress in your life, you need to find ways to cope with it.


C. Because stress can completely be avoided in your life, you need to find ways to cope with it.


D. As long as you can completely avoid stress in your lives, you need to find ways to cope with it.

A.
B.
C.
D.

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