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2 năm trước
5. Tìm 4 ví dụ vật có thế năng trọng trường, 4 vd vật có thế năng đàn hồi, 4vd vật có động năng, 4 vd vật vừa có thế năng vừa có động năng trong cuộc sống. 6. Hãy cho biết các dạng cơ năng đã chuyển hóa từ dạng nào sang dạng nào trong các hiện tượng sau: a/ Nước đổ từ trên cao xuống b/ Mũi tên bắn ra từ dây cung kéo căng c/ Khi ta đá quả cầu bay lên cao d/ Khi gió thổi lên cánh buồm đấy thuyền ra khơi
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Các câu hỏi liên quan

THE FUTURE CONTINUOUS Ex 1. Put the verbs in brackets in the correct tense forms to complete the sentences. 1. I (study) at 8.00 tomorrow. 2. You (wait) for her when her plane arrives tonight? 3. Don’t phone me between 7 and 8. We (have) dinner then. 4. What clothes do you think she (wear) when she arrives? 5. I (send) in my application tomorrow. 6. Linda (arrive) in Ha Noi around March. 7. Next week at this time, you (lie) on the beach. 8. My uncle can’t come to your party tomorrow night because he (work) at night. 9. You (meet) your former teachers at 9 a.m. tomorrowmorning, won’t you? 10. At this time tomorrow evening, I (play) computer games in my bedroom. Ex 2. Rewrite the sentences so that it has similar meaning as the sentence printed before, using the words given. 2. They will build a new school for poor children next month. → A new school A new school will be built for poor children next month. 3. Will the plumber check cracks on the water pipes in two days? → Cracks Will cracks on the water pipes be checked in two days by the plumber 4. They sell these chemicals everywhere in my hometown. → These chemicals These chemicals are sold everywhere in my hometown. 5. They won't show the film on types of future energy sources next Friday. → The film The film on types of future energy sources won’t be shown next Friday. 6. Some people will interview the new president on TV. → The new president the new president will be interviewed on TV. 7. They will destroy the old thermal power plant at the end of this year. → The old thermal the old thermal power plant will be destroyed at the end of this year. 8. They will widen the road to our village next year. the road to our village will be widened next year.

VIII. Make questions for the underlined words 1.Lan bought that dress at the supermarket ……………………………………………………………………………………..... 2. They had an exam last week ………………………………………………………………………………………. 3.They spent two hours looking for your house ………………………………………………………………………………………. 4. They painted the room blue last year ………………………………………………………………………………………. 5. He studied English in 1990 …………………………………………………………………………………….. 6. She left an umbrella on the bus .................................................................................................................................. 7. My father took me to the museum yesterday …………………………………………………………………………………….. 8.I talked with my friends in the yard ………………………………………………………………………………………. 9. She watched TV in the room two hours ago ………………………………………………………………………………………. 10.They came to my house by bike yesterday ……………………………………………………………………………………….

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