Đề và đáp án luyện tập thi THPTQG 2021 - Practice Test 3
Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in the following question.
Question 1: In many western cultures, the White Lily is a flower that is representative of purity and sweetness.
Question 2: I can’t figure out Daisy’s attitude toward the trip – she is blowing hot and cold about it. First she’s all excited, but then she seems reluctant to go.
A. keeps talking about trivial things
B. keeps going
C. keeps changing her mood
D. keeps making you confused
Mark the letter A, B, C or D to indicate the underlined part that needs correction in the following questions.
Question 3: What happened in the center of the city yesterday were a reaction from city workers, including firemen and policemen who had been laid off from their jobs.
D. had been laid off
Question 4: Echoes occur as sound waves strike a smooth surface and bounces backwards.
Question 5: These newly developed tablets have big batteries and are very responsible to screen taps.
C. to screen
D. newly developed
Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in the following question.
Mark the letter A, B, C or D to indicate the option that best completes the following exchange.
Question 8: Binh is inviting Nam to join the football club.
Binh: “I know you are very good at playing football. Would you like to join our club?”
A. Yes. I am very busy.
B. What a good friend you are!
C. Yeah. That’s a good idea. I’d love to.
D. What do you think?
Question 9: Jane is talking to Billy about the plan for the field trip next week.
Jane: “Are you happy with the plan we have just made?”
A. Not really.
B. Yes, it is certainly.
C. That sounds like fun.
D. No, have you?
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.
People all around the world are more and more associated with social networking,  _____ is a useful tool for those in the digital era. Social networking aims at promoting and aiding communication.  _____, this type of technology may be doing more  _____ than good. It is not only changing how we communicate, but how we associate with each other in every day life. Sarah Zay, of USA Today, expressed that "With the growth of websites such as Facebook, social networking may be  _____ of replacing traditional personal interactions for the future generation”. Traditional interactions will continue to be at risk if we don't  ______ the impacts of our social media. Social networking affects our lives in many ways, including our communication, self- expression, bullying, isolations, companionships, and even our very own sense of humanity.
D. As a result
A. on the verge
B. at risk
C. on edge
D. at danger
Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.
Robots are useful for exploring and working in space. In particular, many robots have been sent to explore Mars. Such robots have usually looked like a box with wheels. Though these robots are useful, by their very nature they are unreliable, extremely expensive, and they break easily. Also, they cannot do many tasks. Because of these problems, scientists have been developing a new and unusual kind of robot. These new robots move like snakes, so they have been given the name "snakebots."
The way a snake is shaped lets it get into very small spaces, like cracks in rocks. It can also push its way below the ground or climb up different kinds of objects, like high rocks and trees. Such abilities account for the usefulness of a robot designed like a snake. A snakebot would be able to do these things, too, making it much more effective than regular robots with wheels, which easily get stuck or fall over. Since they can carry tools, snakebots would be able to work in space, as well. They could, for example, help repair the International Space Station.
But how can such a robot shape be made? A snakebot is built like a chain made of about thirty parts, or modules. Each module is basically the same in that they all have a small computer and a wheel to aid movement. The large computer in the "head" of the snake makes all of the modules in a snakebot work together.
The modular design of the snakebot has many advantages. If one module fails, another can be added easily. Snakebot modules can also carry different kinds of tools, as well as cameras. Since each module is actually a robot in itself, one module can work apart from the rest if necessary. That is, all the modules can separate and move on their own, and then later, reconnect back into a larger robot. Researchers are also trying to develop snakebots made of a special kind of plastic that can change its shape using electricity, almost like animal muscles. Snakebots made with this plastic will be very strong and hard to break.
Overall, the snakebot design is much simpler than that of common robots. Thus, snakebots will be much less expensive to build. For example, a robot recently sent to Mars cost over a hundred million dollars, whereas snakebots can cost as little as a few hundred dollars. With their versatility and affordability, snakebots seem to be the wave of the future, at least as far as space robots are concerned.
Question 15: What s the focus of this reading?
A. The mission of the first working snake bot
B. How snakebots were invented.
C. Similarities between snakes and robots.
D. What a snakebot looks like and can do.
Question 16: What does the word in bold” they” in the second paragraph refer to?
B. these things
D. regular robots
Question 17: Which of the following best describes the attitude of the author toward the new kind of robot?
Question 18: Why are snakebots useful for exploring other planets?
A. They will be made of plastic.
B. They can move freely.
C. They can fly.
D. They have many modules.
Question 19: What could cause a snakebot to fail?
A. If its tail were broken.
B. If its head came off.
C. If it fell into a hole.
D. If all its modules were broken.
Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.
The coming decades will witness considerable changes in the way energy is supplied and utilized. In some major oil producing nations, "peak oil" has already been reached, and they are unable to manufacture so much oil as in the past. Consequently, many countries are focusing on the switch to a low carbon economy considering global warming as well. This transition will lead to major changes in the supply and use of electricity. To meet these challenges, countries are investing in Smart Grid technology.
Smart Grid technology basically involves the application of a computer system to the electricity network. The computer system can be used to collect information about supply and demand. With better information about electricity demand, the network will be able to increase the amount of electricity delivered per unit generated, leading to potential reductions in fuel needs and carbon emissions.
Smart Grid technology brings benefits to the consumer too. They will be able to collect real-time information on their energy use. Varying tariffs throughout the day will give customers the incentive to use appliances at times when supply greatly exceeds demand, leading to great reductions in bills. Smart meters can also be connected to the internet or telephone system, allowing customers to switch appliances on or off remotely.
However, we are facing a range of challenges related to these changes. The first involves managing the supply and demand. Sources of renewable energy, such as wind, wave and solar, are notoriously unpredictable, and nuclear power, which is also set to increase as nations switch to alternative energy sources, is inflexible. With oil and gas, it is relatively simple to increase the supply of energy to match the increasing demand during peak times of the day or year. With alternative sources, this is far more difficult, and may lead to blackouts or system collapse. Potential solutions include investigating new and efficient ways to store energy and encouraging consumers to use electricity at off-peak times.
Another problem is that a number of renewable power generation sources are located in remote areas, such as windy uplands and coastal regions, where there is a lack of electrical infrastructure. New infrastructures therefore must be built. Thankfully, with improved smart technology, this can be done more efficiently by reducing the reinforcement or construction costs.
Though Smart Technology is still in its infancy, pilot schemes to promote and test it are already underway. Consumers are currently testing the new smart meters which can be used in their homes to manage electricity use. There are also a number of demonstrations being planned to show how the smart technology could practically work, and trials are in place to test the new electrical infrastructure. Cities are prime candidates for investment into smart energy, due to the high population density and high energy use. It is here where Smart Technology is likely to be promoted first, utilising a range of sustainable power sources, transport solutions and an infrastructure for charging electrically powered vehicles. The infrastructure is already changing fast. By the year 2050, changes in the energy supply will have transformed our homes, our roads and our behavior.
Question 20: According to paragraph 1, what has happened in some oil producing countries?
A. Global warming is more severe here than in other countries.
B. They are not producing as much oil as they used to.
C. The supply of oil is unpredictable.
D. They are unwilling to sell their oil any more.
Question 21: Which of the following is NOT a benefit of Smart Grid technology to consumers?
A. It can tell them how much energy each appliance is using.
B. It can allow them to turn appliances on and off when they are not at home.
C. It can reduce the amount of energy needed to power appliances.
D. It can reduce their electricity bills.
Question 22: According to paragraph 4, what is the problem with using renewable sources of power?
A. They always cause system failure and blackouts.
B. They can’t be used at off-peak times.
C. They do not provide much energy.
D. They do not supply a continuous flow of energy.
Question 23: In paragraph 6, what can be inferred about cities in the future?
A. More people will be living in cities in the future than nowadays.
B. People in cities will be using cars and buses powered by electricity.
C. All buildings ill generate their own electricity.
D. Smart Grid technology will only be available in cities.
Question 24: What does the word in bold “it” in paragraph 6 refers to?
B. Smart Technology
Question 25: The word in bold “underway” in paragraph 6 is closest in meaning to _____.
D. in progress
Question 26: What is the main idea of paragraph 6?
A. To describe who will benefit from Smart Grid technology first.
B. To summarise the main ideas in the previous paragraphs.
C. To outline the advantages of Smart Grid technology.
D. To describe how, where and when Smart Technology will be introduced.
Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in the following question.
Question 27: Working long hours in basement offices, the human body clock and the hormonal system can be disrupted by artificial light, which can cause health problems.
Question 28: Suddenly my best friends are at odds with each other so now I have to see them seperately.
A. on the outs with
B. on good terms with
C. in disagreement with
D. in conflict with
Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to the following question.
Question 29: It is a good idea to drink as much fruit juice as possible in order to get enough vitamins for our bodies.
A. We should drink as much fruit juice as possible in order to get enough vitamins for our bodies.
B. We must drink as much fruit juice as possible in order to get enough vitamins for our bodies.
C. We ought to drink as much fruit juice as possible in order to get enough vitamins for our bodies.
D. We can drink as much fruit juice as possible in order to get enough vitamins for our bodies.
Question 30: I didn’t have a chance o visit my hometown until recently.
A. Only recently did I have a chance to visit my hometown.
B. A chance to visit my hometown came up by sudden until recently.
C. Recently my dream of visiting my hometown would come true.
D. Only recently I had a chance to visit my hometown.
Question 31: Her ambition of emulating her father’s success was realised after all of the
hardship she had to overcome without anybody’s help.
A. As she had a successful father, she did not bother to set herself a goal to achieve.
B. The realization of her aim did not happen until she finished all of the challenging tasks set by her father without any aid.
C. She attained success after sailing through the ordeals thanks to the valuable assistance from her father.
D. After getting over all obstacles by herself, she became as successful as her father, achieving her ambition.
Mark the letter A, B, C or D to indicate the sentence that best combines the following sentences into one.
Question 32: I did not do a careful preparation for the final test. I got the disappointing result.
A. If I had prepared carefully for the final test, I would have got the disappointing result.
B. If I didn’t prepare carefully for the final test, I would not get the disappointing result.
C. If I had prepared carefully for the final test, I wouldn’t have got the disappointing result.
D. If I hadn’t prepared carefully for the final test, I would have got the disappointing result.
Question 33: The airplane took off, then Paul realized he was on the wrong flight.
A. Hardly had Paul realized he was on the wrong flight when the airplane took off.
B. It was not until the airplane had taken off, did Paul realize he was on the wrong flight.
C. Not until the airplane had taken off did Paul realize he was on the wrong flight.
D. No sooner had the airplane taken off than Paul had realized he was on the wrong flight.
Mark the letter A, B, C or D to indicate the correct answer to the following question.
Question 34: Being burnt out after a hard day, she sat down on a _____ sofa to relax.
A. black leather comfortable
B. black comfortable leather
C. comfortable black leather
D. comfortable leather black
Question 35: Computers offer a much greater degree of _____ in the way work can be organised.
Question 36: Mr. John has just cleaned his motorbike, _____?
A. hasn’t he
B. has he
C. didn’t he
D. did he
Question 37: The harder students for the test, _____.
A. the more higher their scores
B. the higher will be their scores.
C. the higher their scores will be
D. their scores will be higher
Question 38: When Rose arrived home after a day at work, _____.
A. her children have been sleeping soundly
B. her children were sleeping soundly
C. her children are sleeping soundly
C. her children slept soundly
Question 39: Smoking cigarettes can cause several health problems for smokers. ______, it can affect the health of others who breathe in second-hand smoke.
Question 40: These fish live _____ small sea creatures such as the shrimps.
Question 41: “Roger, remember that you won’t be able to cancel the contract _____.”
A. until you have signed
B. as soon as you signed
C. once you’ve signed
D. after you are signing
Question 42: I’ll give you some _____ of advice that can help you escape from the trouble.
Question 43: _____, the ancient palace is still popular with modern tourists.
A. Constructing hundreds of years ago
B. Constructed hundreds of years ago
C. To have constructed hundreds of years ago
D. It was constructed hundreds of years ago
Question 44: The gardener told me that everything _____ by the end of the year.
A. had been planted
B. have been planted
C. will have been planted
D. would have been planted
Question 45: When it comes to finding a new house, all the conditions for the sake of the children such as education and entertainment should be _____ by parents.
A. made room for
B. taken into account
C. kept pace with
D. taken care of
Question 46: Linda and I have been together through _____ in our friendship, and we won’t desert each other now.
A. high and low
B. thick and thin
C. collar and tie
D. null and void
Question 47: The preparations for the Olympic Games 2022 in Beijing are on _____ according to the committee in charge.
Question 48: We must get to the _____ of the problem and solve it once and for all.
Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of primary stress in the following question.