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hochi5473
2 năm trước
1. Thế nào là chuyển động đều? 2. Thế nào là chuyển động không đều? 3. Viết công thức tính vận tôc trung bình trong chuyển động không đều. Chú thích các đại lượng trong công thức.
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Choose the letter A, B, C or D to complete the passage below Andrew is an Indian farmer. He gets ___________ (6) early in the morning. It is quite true to say that an Indian farmer sleeps with the lamb and rises with the lark. Then he goes with ___________ (7) buffalo to the field. The day’s work begins. Slowly the sun ___________ (8) and climbs into the sky. But the heat of the sun cannot drive him away from work. Our tropical sun shows no mercy to the Indian famer even then the latter does not brother about sun and shower. He ___________ (9) rest for a short while under a shady tree. Then once again he starts his work of ploughing, or harrowing the clods or sowing seeds and leveling the field with the help of the leveler. Or, ___________ (10) the crops are already a few inches high, he may be seen watering the fields or weeding out wild plants. All days, in the life of an India farmer, are alike but a day in the harvesting season is a day of joy in his dull life. It is a day when the Indian farmer reaps the fruits of his labour. He ___________ (9) rest for a short while under a shady tree. A. gets B. takes C. does D. makes

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