Thứ bảy, 15/03/2025
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Câu hỏi:

15/07/2024 7,783

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

Children can be difficult to teach because of their short attention_____.

A. limit

B. duration

C. span

Đáp án chính xác

D. time

 Xem lời giải

Trả lời:

verified Giải bởi Vietjack

Đáp án C.

Tạm dịch: Trẻ em có thể khó dạy vì thời gian chú ý ngắn

Ta có: span = the length of time that something lasts or is able to continue: Khoảng thời gian qua đó cái gì kéo dài hoặc có thể tiếp tục

- I worked with him over a span of six years: Tôi đã làm việc với anh ta trong vòng 6 năm.

- The project must be completed within a specific time span: Dự án phải được hoàn thành trong một khoảng thời gian cụ th.

Câu trả lời này có hữu ích không?

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1:

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.

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Câu 2:

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

When Martin_________the car, he took it out for a drive.

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Câu 3:

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.

He cannot lend me the book now. He has not finished reading it yet.

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Câu 4:

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 really appreciate your help, without which we couldn’t have got our task done in time.

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Câu 5:

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.

He went to a seaside resort because he was keen on water- skiing.

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Câu 6:

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

The optic fiber was a major______in the field of telecommunications.

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Câu 7:

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

Left - hand traffic, a custom existing in Britain only,_______back to the days when English people went to and fro on horseback.

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Câu 8:

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.

Throughout his life, the fisherman suffered from great poverty.

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Câu 9:

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

The children can stay here_______they don’t make too much noise.

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Câu 10:

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

They can hardly expect profits to double again this year,  ?

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Câu 11:

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.

Providing(A) relief after the disaster necessitated the mobilization of vast amounts (B) of food, medical supply(C), and people.(D)

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Câu 12:

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

His comments________little or no relation to the facts of the case.

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Câu 13:

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.

Buying new clothes is something that I almost never make the effort to.

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Câu 14:

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.

“Mum, please don’t tell Dad about my mistake,” the boy said.

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Câu 15:

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.

        Lighthouses are towers with strong lights that help mariners plot their position, inform them that land is near, and warn them of dangerous rocks and reefs. They are placed at prominent points on the coast and on islands, reefs, and sandbars.

       Every lighthouse has a distinctive pattern of light known as its characteristic. There are five basic characteristics: fixed, flashing, occulting, group flashing, and group occulting. A fixed signal is a steady beam. A flashing signal has periods of darkness longer than periods of light, while an occulting signal’s periods of light are longer. A group-flashing light gives off two or more flashes at regular intervals, and a group - occulting signal consists of a fixed light with two or more periods of darkness at regular intervals. Some lighthouses use lights of different colors as well, and today, most lighthouses are also equipped with radio beacons. The three types of apparatus used to produce the signals are the catoptric, in which metal is used to reflect the light; the dioptric, in which glass is used; and the catadioptric, in which both glass and metal are used.

        In the daytime, lighthouses can usually be identified by their structure alone. The most typical structure is a tower tapering at the top, but some, such as the Bastion Lighthouse on the Saint Lawrence River, are shaped like pyramids, and others, such as the Race Rock light, look like wooden houses sitting on high platforms. Still others, such as The American Shoal lighthouse off the Florida Coast, are skeletal towers of steel. Where lighthouses might be contused in daylight, they can be distinguished by day- marker patterns - designed of checks and stripes painted in vivid colors on lighthouse walls.

       In the past, the job of lighthouse keeper was lonely and difficult if somewhat romantic. Lighthouse keepers put in hours of tedious work maintaining the lights. Today, lighthouses are almost entirely automated with humans supplying only occasional maintenance. Because of improvements in navigational technology, the importance of lighthouses has diminished. There are only about 340 functioning lighthouses in existence in the United States today, compared to about 1,500 in 1900, and there are only about 1,400 functioning lighthouses outside the United States. Some decommissioned lighthouses have been preserved as historical monument.

Which of the following is NOT mentioned in the passage as one of the functions of lighthouses?

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