Tải Đề thi học kì 1 lớp 12 môn tiếng Anh năm 2020 - 2021 - Đề thi tiếng Anh 12 học kì 1 có đáp án

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<b>ĐỀ THI HỌC KÌ 1 LỚP 12 </b>

<b> MƠN TIẾNG ANH</b>

<b>CĨ ĐÁP ÁN NĂM 2020 - 2021</b>

<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the word whose underlined part differs from the other three</b>
<b>in pronunciation in each of the following questions.</b>

1: A. climbed B. stayed C. booked D. turned
2: A. crow B. eyebrow C. brown D. cow

<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the word that differs from the other three in the position of</b>
<b>the primary stress in each of the following questions.</b>

3: A. digital B. efficient C. distribute D. enable
4: A. diversity B. biography C. biology D. fundamental

<b>Mark the letter A, B, C or D on your answer sheet to indicate</b>
<b>the correct answer to each of the following questions.</b>

5: The main objective of this new program is to completely ___________ illiteracy in
rural areas.

A. elicit

B. eradicat

e C. destroy

D. reinforce

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A. bothering

B. being bothered

C. to bother

D. to be bothered

7: He objected to __________.

A. his voice being mocked

B. his voice mocking

C. his voice mocked

D. his voice be mocked

8: Because Mr. Brown is currently ___________, we have no choice but to go home and
wait until tomorrow.

A. unavailable

B. inavailable

C. available

D. availability

9: Since Mr. Charles is the author of the book, he is responsible ___________ the
mistakes in this chapter.

A. of

B. about

C. to

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10: We _______________ met the singer if we had stayed for a few more minutes.

A. have

B. should have

C. had

D. could have

11: The ____________ of commercial aircraft has had a huge impact on the world's
economy.

A. event

B. advent

C. birth

D. occurrence

12: Lan thinks that we should go somewhere ____________ has plenty of sun and
sand.A. who

B. where

C. that

D. when

13: The scientist is searching _____________ a topic ____________ which he can
research in the coming year.

A. for – into

B. into – for

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D. for – for

14: If we ____________ working at this rate, we ____________ 100 sticky rice cakes by
5 o'clock this evening.

A. are keeping – will wrap

B. have kept – will be wrapping

C. kept – were to wrap

D. keep – will have wrapped

15: Alice is one of the ____________ of the school's English club.

A. representatives

B. represents

C. represent

D. representative

16: A number of parents are ___________ to the content of the new 1st grade textbook.

A. adverse

B. diverse

C. averse

D. appealing

17: When I ____________ to the kitchen, I discovered that my apple pie
_____________.

A. had returned – was stolen

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C. return – has been stolen

D. returned – had been stolen

18: "Is George still in the garden?" – "Yes, he ___________________ there for over 5
hours, and he won't leave unless he sees you, Jonquil."

A. sits

B. has been sitting

C. has sat

D. is sitting

19: John misunderstood what I said, which _________ the joke that I intended to tell
him.

A. made

B. ruined

C. appreciated

D. cracked

<b>Mark the letter A, B, C, or D to indicate the word or phrase</b>
<b>that is CLOSEST in meaning to the underlined part in each of</b>
<b>the following questions.</b>

<b>20: Most sources claim that the mortality rate of the virus is around 2–4%.</b>

A. birth

B. reproduction

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D. infection

<b>21: Many spectators predicted that France would become the winner of the</b>
competition, but it was not true.

A. announced

B. tolerated

C. aroused

D. foretold

<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the word or phrase that is OPPOSITE meaning to the</b>
<b>underlined part in each of the following questions.</b>

<b>22: In 1991, the British government made it mandatory to wear rear seat belts in</b>
cars.

A. sophisticated

B. optional

C. available

D. obligatory

<b>23: You need to integrate many exercises into your daily life in order to stay in</b>
shape.

A. separate

B. include

C. combine

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<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the sentences that best completes each of the following</b>
<b>exchanges.</b>

24: "I don't think that taking a boat trip in this weather is a sensible thing to do."

" ________________."

A. That's right. Let's prepare for it right now

B. Neither do I. Let's put it off until tomorrow

C. I couldn't agree more. This is the perfect time to go

D. Don't worry. I have brought my telephone

25: "Can you give me some information?"

" ________________."

A. No, thanks

B. Yes, go ahead

C. Certainly, sir

D. I'd love to

<b>Read the following passage and mark the letter A, B, C, or D</b>
<b>on your answer sheet to indicate the word(s) that best fits</b>
<b>each of the numbered blanks from 26 to 30.</b>

Out with the old, in with the robots! These days, new technological advances happen all
the

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Here's the good news: automation isn't necessarily (27) ____________ with job loss. In
fact,

many workers won't lose their jobs so much as see their roles getting redefined to meet
society's ever-evolving needs. Some jobs, however, will likely be extinct 20 years from
today.

For (28) _____________, back in the '70s and '80s, many suburban children were
paperboys and girls. The entry-level job was considered a rite of professional passage —
until the dawn of the digital age began to render it obsolete.

These days, more people rely (29) ___________ the internet for breaking news coverage,
which explains why mail carriers placed 200 out of 200 careers examined in the Career
Cast 2014 Jobs Rated report for projected growth outlook. With the (30)
______________ of online banking, the like and the need for snail-mail is dwindling
every day.

26: A. fear B. ill C. prey D. pair

27: A. synonymous B. distinguished C. definitive D. synchronous

28: A. perspective B. instance C. experience D. terms

29: A. in B. on C. about D. of

30: A. adversity B. composition C. production D. advent

<b>Read the following passage and mark the letter A, B, C, or D</b>
<b>on your answer sheet to indicate the correct answer to each</b>
<b>of the questions from 31 to 35.</b>

Epidemiology is the area of healthcare that deals with the incidence, distribution, and
possible

control of diseases, illnesses and other factors relating to health. It is a field where
trained

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populations. Epidemiology provides the scientific footings for evidence-based medicine
and allows placement of strategies for improvement in public health. This field is often
<b>referred to as the cornerstone of modern public health research and practice and it</b>
relies on a variety of relevant public health areas, including biology, biostatistics, social
sciences, and assessing risk of exposure to a threat.

Epidemiologists study outbreaks of diseases, the causes, locations, and how various
communities are affected, utilizing relative information to aid in the prevention of future
outbreaks. These people help to keep the public informed of methods to maintain and
improve public health. They work at universities and for government organizations
including the (CDC) Centers for Disease Control, National Institute of Health (NIH), or

the World Health Organization (WHO). The Bureau of Labor Statistics states that
epidemiologists earned an average of $65,270 in 2012 with the top ten percent of
epidemiologists earning at least $108,320.

31: Which of the following is NOT mentioned as a factor that epidemiology deals with?

A. The distribution of diseases

B. Possible disease controlling methods

C. Possible ways to create an outbreak

D. The incidence of diseases

32: The word "cornerstone" in the first paragraph means ______________.

A. a stone in a corner of a building, often with the date when the building was created

B. something of great importance that everything else depends on

C. a reference made public so that everyone can gather information from it

D. an evidence that something from the previous era has evolved and developed

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A. Epidemiology

B. Modern public health research

C. Evidence-based medicine

D. Biology and biostatistics

34: What is TRUE about the work of epidemiologists?

A. They make accurate predictions about outbreaks in the future.

B. They minimize the impact on communities by keeping the information secret.

C. They use the collected information to help prevent future outbreaks.

D. They are independent of universities and government organizations.

35: What can we learn about the salary of epidemiologists in 2012 from the last
sentence?

A. Despite the tremendous workload, the salary decreased to at least $108,320.

B. The salary of an average epidemiologist had increased significantly.

C. The salary of epidemiologists was decided by the Bureau of Labor Statistics.

D. Some epidemiologists earn much more than the others because of their high ranking.

<b>Read the following passage and mark the letter A, B, C, or D</b>
<b>on your answer sheet to indicate the correct answer to each</b>
<b>of the questions from 36 to 42.</b>

Have you ever thought about having a job where you help come up with new ways to
feed

people? The job of food chemist involves studying the components that make up our
food at the

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and

<b>distribution of processed food. A flavour chemist creates new artificial flavours and</b>
foods that are cheaper and easier to produce than natural products, while other food
chemists work on ways to avoid food-based diseases. It's a dynamic job that reflects
many of the challenges faced by today's food industry.

Food chemists use their scientific knowledge to breakdown the content of food to
determine

its chemical makeup. They work in laboratories, offices and in the field on farms and in
food

processing plants, coming up with new food sources, as well as ways to preserve natural
foods

while keeping them healthy, flavorful and safe to eat. They use chemicals to create flavor
<b>blends for food and beverage products in order to enhance or mask the natural flavors.</b>
They also employ chemistry to mimic the effects of the cooking process to improve
taste.

According to the Bureau of Labor Statistics, the minimum education requirements for
agricultural and food scientists include a bachelor's degree in their specialty from an
accredited

college or university. Coursework may include food chemistry, as well as food
engineering and

processing, with internships and research encouraged even at the undergraduate level.
Many food scientists hold advanced degrees. An advanced degree in a related field, such
as chemistry or biology, may qualify for some food science jobs.

The Bureau of Labor Statistics reports that the majority of food scientist jobs are in food
manufacturing where they help manufacturers ensure that food products satisfy safety
regulations while satisfying customers' tastes. Other food scientist jobs are found at
colleges and universities, within government agencies and with consulting services.

36: What does the job of food chemists involve?

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B. Studying different methods of food consumption

C. Improving the manufacture of processed food

D. Researching the relationship between food and chemicals

37: The word "artificial" is closest in meaning to:

A. natural

B. artistic

C. celestial

D. man-made

38: Why does the author mention the job of a flavour chemist?

A. The author wants to make a clear distinction between the work of the two fields.

B. The author implies that food chemistry is a smaller branch of flavour chemistry.

C. The author suggests that flavour chemists are inferior to food chemists.

D. The author implies that people have to work as a flavour chemist before becoming a
food chemist.

39: Which of the following statements is TRUE, according to the second paragraph?

A. Food chemists can determine the chemical components of food only using
observation.

B. Foods made by food chemists can be stored for a long time, but they might be
unhealthy.

C. In order to create each flavour, food chemists only need to use a single chemical
substance.

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40: The word "mask" is closest in meaning to _____________.

A. strengthen

B. conceal

C. mimic

D. advance

41: What can be inferred from the third paragraph about the education of agricultural and
food scientists?

A. A bachelor's degree from a college or university is the only requirement for this field.

B. They may have internships and conduct researches during their time in colleges.

C. Food scientists only need to study food chemistry as their major in university.

D. A lot of food scientists do not intend to reach a higher level in their education.

42: What does the last paragraph mainly discuss?

A. Institutions which train food scientists

B. Collaboration between scientists and manufacturers

C. Places where food scientists work

D. Achievements of food scientists

<b>Mark the letter A, B, C or D on your answer sheet to indicate</b>
<b>the underlined part that needs correction in each of the</b>
<b>following questions.</b>

43: There are still a few details which need being adjusted before the final presentation.

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B. which

C. being adjusted

D. before

44: This is the car which its engine uses only 4 litres of petrol per 100 kilometres.

A. which its

B. uses only

C. of petrol

D. per

45: Not until the office phoned me had I found out about the meeting.

A. Not

B. the

C. had I found

D. about

<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the sentence that is closest in meaning to each of the</b>
<b>following questions.</b>

46: When the unemployment rate is high, the crime rate is usually also high.

A. The unemployment rate and the crime rate are both higher.

B. The higher the unemployment rate is, the higher the crime rate is.

C. The unemployment rate is as high as the crime rate.

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47: But for one spelling mistake, I would have got the maximum score for my essay.

A. If I didn't make this one spelling mistake, I would have got the maximum score for
my essay.

B. I would have got the maximum score for my essay if there hadn't been this one
spelling

mistake.

C. Had I made this one spelling mistake, I would have got the maximum score for my
essay.

D. If this one hadn't been a spelling mistake, I would have got the maximum score for
my essay.

48: This concert wouldn't have been successful without your financial support.

A. But for your financial support, this concert would have been successful.

B. If you didn't provide financial support, this concert wouldn't have been successful.

C. Had you not provided financial support, this concert wouldn't be successful.

D. Had it not been for your financial support, this concert wouldn't have been successful.

<b>Mark the letter A, B, C, or D on your answer sheet to indicate</b>
<b>the sentence that best combines each pair of sentences of the</b>
<b>following questions.</b>

49: I have just cleaned the wooden shelf. I usually put my photographs on that shelf.

A. I have just cleaned the wooden shelf on where I usually put my photographs.

B. I have just cleaned the wooden shelf which I usually put my photographs.

C. I have just cleaned the wooden shelf on which I usually put my photographs.

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50: I'm teaching 50 students from Cambodia. Most of them speak Vietnamese fluently.

A. I'm teaching 50 students from Cambodia, most of them speak Vietnamese fluently.

B. I'm teaching 50 students from Cambodia, most of which speak Vietnamese fluently.

C. I'm teaching 50 students from Cambodia, most of that speak Vietnamese fluently.

D. I'm teaching 50 students from Cambodia, most of whom speak Vietnamese fluently.

<b>ĐÁP ÁN</b>

1 - C; 2 - A; 3 - A: 4 - D; 5 - B;

6 - B; 7 - A; 8 - A; 9 - D; 10 - D;

11 - B; 12 - C; 13 - A; 14 - D; 15 - A;

16 - C; 17 - D; 18 - B; 19 - B; 20 - C:

21 - D; 22 - B; 23 - A; 24 - A; 25 - C;

26 - C; 27 - A; 28 - B; 29 - B; 30 - D;

31 - C; 32 - B; 33 - A; 34 - C; 35 - D;

36 - C; 37 - D; 38 - A; 39 - D; 40 - B;

41 - B; 42 - C; 43 - C; 44 - A; 45 - C;

46 - B; 47 - B; 48 - D; 49 - C; 50 - D

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