Dạng bài Đọc hiểu lớp 12
Which of the following best paraphrases the extract : “ dust seems to act in a totally random fashion” ?
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.
What makes it rain ? Rain falls from clouds for the same reason anything falls to earth. The Earth’s gravity pulls it. But every cloud is made of water droplets or ice crystals. Why doesn’t rain or snow fall constantly from all clouds ? The droplets or ice crystals in clouds are exceedingly small. The effect of gravity on them is minute. Air currents move and lift droplets so that the net downward displacement is zero, even though the droplets are in constant motion .
Droplets and ice crystals behave somewhat like dust in the air made visible in a shaft of sunlight. To the casual observer, dust seems to act in a totally random fashion, moving about chaotically without fixed direction. But in fact dust participles are much larger than water droplets and they finally fall. The cloud droplet of average size is only 1/2500 inch in diameter. It is so small that it would take sixteen hours to fall half a mile in perfectly still air, and it does not fall out of moving air at all. Only when the droplet grows to a diameter of 1/125 inch or larger can it fall from the cloud. The average raindrop contains a million times as much water as a tiny cloud droplet. The growth of a cloud droplet to a size large enough to fall out is the cause of rain and other forms of precipitation. This important growth process is “coalescence”.
Câu 56091: Which of the following best paraphrases the extract : “ dust seems to act in a totally random fashion” ?
A. Dust acts in way that can be predicted.
B. Dust always moves chaotically.
C. It is hard for dust to move smoothly.
D. Dust moves in an unpredictable way.
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Đáp án : D(0) bình luận (0) lời giải
Giải chi tiết:
dust seems to act in a totally random fashion = bụi dường như hoạt động một cách ngẫu nhiên
A. bụi hoạt động theo cách có thể dự đoán được
B. Bụi di chuyển một cách hỗn độn
C. rất khó cho bụi di chuyển một cách nhẹ nhàng
D. Bụi di chuyển một cách không thể dự đoán trước được
Lời giải sai Bình thường Khá hay Rất Hay
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