Over the past 30 years, the average robot price _____ by half in real terms, and even further relative to labor costs.
A. is fallen
B. has fallen
C. were fallen
D. have fallen
Giải bởi qa.haylamdo.com
B
Kiến thức: Thì trong tiếng Anh, hoà hợp chủ ngữ và động từ
Giải thích:
Ta dùng thì hiện tại hoàn thành diễn tả hành động bắt đầu trong quá khứ và kéo dài đến hiện tại. Cấu trúc thì hiện tại hoàn thành: S + have/has + PP +...
Chủ ngữ trong câu là danh từ không đếm được “price” nên ta dùng trợ động từ “has”
Tạm dịch: Trong 30 năm qua, giá robot trung bình đã giảm một nửa theo giá trị thực và thậm chí còn liên quan nhiều hơn đến chi phí lao động.
Chọn B
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The poor old man never was able to explain what was going on to his family.
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Congo's presidential election is hoped to enable the country's first peaceful, democratic transfer of power since independence from Belgium in 1960.
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 25 to 29.
It is true that digital manufacturing does cut out the middle-man. More and more routine, repetitive assembly tasks will be taken (25)______ by machines. But as certain jobs disappear, new ones open up in other parts of the factory. Germany in many ways exemplifies this trend. Today, German manufacturers (26)______ three times more robots than U.S. companies, but they also still employ more humans. Relative to the size of our economies, German's manufacturing workforce is twice the size of America's.
From its very beginning, the fourth Industrial revolution has never presented manufacturers with an
either-or choice - robots or humans. It has always been about combining the talents of (27)______ . (28) ______, it is the convergence of artificial and human intelligence that will enable manufacturers to achieve a new era of speed, flexibility, efficiency and connectivity in the 21st century. Machines have the ability to assemble things faster than any human ever could, but humans possess the analytics, domain expertise and valuable knowledge (29)______ to solve problems and optimize factory floor production.
Điền vào ô 29.
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
We are having a surprise party for Susan next Saturday, so don't give the secret away by saying anything to her.
While I _____ at the bus stop, three buses went by in the opposite direction.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
The teacher had only just came in the room when the fire alarm rang
Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Jane and Janet are talking about their favorite sports.
Jane: “Are you interested in scuba diving?” - Janet: “ _____ .”
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It was in 1896 in Athens, Greece where the first modern Olympics were held.
They advised me _____ visiting the troubled south of the country.
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
If you say bad things about the person who give a job you bite the hand that feeds you.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
No other student in his class is as successful as Pat.
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.
William Clark was not granted the rank of captain. Captain Lewis more or less ignored this and treated Clark as his equal in authority and rank.
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.
Dad's car is very old. He can't afford to buy a new one.
