Câu hỏi:
22/06/2022 265Read 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 from 36 to 42.
The geology of the Earth's surface is dominated by the particular properties of water. Present on Earth in solid, liquid, and gaseous states, water is exceptionally reactive. It dissolves, transports, and precipitates many chemical compounds and is constantly modifying the face of the Earth.
Evaporated from the oceans, water vapor forms clouds, some of whichare transported by wind over the continents. Condensation from the clouds provides the essential agent of continental erosion: rain. Precipitated onto the ground, the water trickles down to form brooks, streams, and rivers, constituting what are called the hydrographic network. This immense polarized network channels the water toward a single receptacle: an ocean. Gravity dominates this entire step in the cycle because water tends to minimize its potential energy by running from high altitudes toward the reference point, that is, sea level.
The rate at which a molecule of water passes though the cycle is not random but is a measure of the relative size of the various reservoirs. If we define residence time as the average time for a water molecule to pass through one of the three reservoirs - atmosphere, continent, and ocean - we see that the times are very different. A water molecule stays, on average, eleven days in the atmosphere, one hundred years on a continent and forty thousand years in the ocean. This last figure shows the importance of the ocean as the principal reservoir of the hydrosphere but also the rapidityof water transport on the continents.
A vast chemical separation process takes places during the flow of water over the continents. Soluble ions such as calcium, sodium, potassium, and some magnesium are dissolved and transported. Insoluble ions such as aluminum, iron, and silicon stay where theyare and form the thin, fertile skin of soil on which vegetation can grow. Sometimes soils are destroyed and transported mechanically during flooding. The erosion of the continents thus results from two closely linked and interdependent processes, chemical erosion and mechanical erosion. Their respective interactions and efficiency depend on different factors.
Câu 36: The word "which” in paragraph 2 refers to_____________.
Đáp án chính xác
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Chọn đáp án A
Thông tin trong bài: "Evaporated from the oceans, water vapor forms clouds, some of whichare transported by wind over the continents." (Bốc hơi từ các đại dương, hơi nước tạo thành mây, một sô'được gió mang qua các lục địa.) which = clouds
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
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If you don't give up smoking, you'll_____________the risk of damaging your health
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Câu 2:
He was (A) too exhausted (B) that he (C) couldn't even stand on (D) his feet.
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Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
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Câu 4:
I didn't mean (A) offending him, but he (B) took my comments (C) amiss and now will not talk (D) to me.
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Câu 5:
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.
The storm was so great. Many families had to be evacuated to safer parts of the city.
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Câu 6:
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 26 to 30.
The (26)_____________American watches television for more than four hours a day. A recent study found that children 6 months to 6 years old spend on average 2 hours a day watching television, using a computer or playing a video game. That is three times as long as they spend reading or being read to. Television makes children violent and aggressive. (27) _____________to the National Institute of Mental Health, there is a consensus developing among members of the research community that violence on television does (28) _____________to aggressive behaviour by children and teenagers who watch the programs.
Television discourages face-to-face interaction among children or families. Sitting (29) _____________ in front of the television leads to weight gain, increasing the chances of diabetes in children and heart disease in adults. Television programs model undesirable behaviour such as drug and alcohol use or (30) _____________relationships. Research indicates that students may be less able to engage in formal descriptions of events or objects than their peers in the past.
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Câu 7:
A useful way to_____________your vocabulary is to read as much as possible,
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