-
Câu hỏi:
A large number of inventions and discoveries have been made _____ accident.
- A. at
- B. on
- C. in
- D. by
Lời giải tham khảo:
Đáp án đúng: D
Giải thích:
Kiến thức cụm từ:
By accident: một cách tình cờ
Tạm dịch: Rất nhiều phát minh và khám phá đã được thực hiện một cách tình cờ.
→ Chọn đáp án D
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
YOMEDIA
Hướng dẫn Trắc nghiệm Online và Tích lũy điểm thưởng
CÂU HỎI KHÁC
- The organization was (1) ______ as a charitable trust on September 11, 1961, in Morges, Switzerland, under the name World Wildlife Fund.
- It is the world's largest independent conservation organization with over 5 million (2) ______ worldwide
- It is a charity, with (3) ______ 9% of its funding coming from voluntary donations by private individuals and businesses.
- Among other issues, it is also concerned (4) _______ endangered species, pollution, and climate change.
- The organization (5) ________ more than 20 field projects worldwide.
- - Did you get everything you wanted?
- - Dont tell anyone my phone number.
- Which of the following sentences is closest in meaning to the sentence There will always be good career opportunities for people with ability, skills
- In paragraph one, 'those days are gone, even in Hong Kong', suggests that _____.
- In paragraph 3, 'in more depth' could be _______.
- In paragraph 4, the writer seems to suggest that _______.
- The word 'recruit' in the first paragraph refers to _______.
- According to the passage, which of the is NOT true?
- The word 'prospective' in paragraph 4 is closest in meaning to ______.
- The word 'dwarfs' in the second paragraph is closest in meaning to ______.
- What does the passage mainly discuss? A. How much harm air pollutants can cause.
- The word 'adversely' in the first paragraph is opposite in meaning to _______.
- According to passage, the numerical value of the concentration level of a substance is only useful if _____?
- For which of the reasons can natural pollutants play an important role in controlling air pollution?
- The word 'detectable' in the paragraph 3 is closest in meaning to _______.
- The word 'noxious' in the third paragraph is closest in meaning to _______.
- According to passage, human-generated air pollution in localized regions ___.
- Choose the word(s) CLOSEST in meaning to the underlined word(s):
- Choose the word(s) CLOSEST in meaning to the underlined word(s): Before the interview, you have to send a letter of application and your resume t
- Choose the word(s) OPPOSITE in meaning to the underlined word(s):
- Choose the word(s) OPPOSITE in meaning to the underlined word(s): The consequences of the typhoon were disastrous due to the lack of precautionar
- The meeting was put off because of pressure of time.
- Only customers with coupons may use the service.
- Tom regrets to say that he has left his tickets at home.
- Choose the word whose underlined part differs from the other three in pronunciation: heal, steal, deal, great
- Choose the word whose underlined part differs from the other three in pronunciation: ocean, technician, commercial, necessary
- Find the mistake: He smoked very much so he died for lung cancer.
- Find the mistake: I enjoyed talking to the people with that I met at the party last night.
- Find the mistake: In case it will rain hard this afternoon, you should take the raincoat with you.
- Nowadays, with the help of the computer, teachers have developed a ______ approach to teaching.
- A large number of inventions and discoveries have been made _____ accident.
- Laser disc provides images of ________ either television signals or video tapes.
- I live next to a nursing home for _______ very old.
- The pool should not be made so deep _______ small children can be safe there.
- She asked me ______ I was looking at.
- Yes, the script was excellent, but the performances were _____ weak.
- Have dinner with us, _______?
- _________ in business, one must be prepared to take risks.
- The headmaster has decided that three lecture halls _______ in our school next semester.
- After the new technique had been introduced, the factory produced _______ cars in 2014 as the year before.
- It is imperative that you _______ there in person.
- David loves Anna. Thats why he bought tickets for her live show last week.
- The fire-fighters made every effort to put off the flames. The building burned down completely
- Choose the word that differs from the other three in the position of primary stress: necessary, reflection, invention, attent
- Choose the word that differs from the other three in the position of primary stress: apology, direct, experienced, follow
