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phamchien1982aia
2 năm trước
nhúng một vật bằng kim loại có thể tích 0,0001 m3 vào trong nước. Biết trọng lượng của vật đó là 7.8N, cho biết trọng lượng riêng của nước bằng 10000N/m3 a) Tính lực đẩy ác si mét tác dụng lên vật b) xác định trọng lượng riêng của chất làm nên vật mọi người giải giúp mình với mai mình thi rồi
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Section I: Finish each of the following sentences in such a way that it is as similar as possible in meaning to the sentence printed before it.(2pts) 1 Listening to music is more interesting than watching TV. => I prefer........................................................................................................ 2. It isn't important for you to finish the work today. => You don't...................................................................................................... 3. How much is this dictionary? => What ........................................................................................................? 4. How heavy is the chicken? => What...........................................................................................................? 5. Mr. Trung and Mrs. Trung type quickly . => Mr. Trung and Mrs. Trung.................................................................................. 6. I got to work in half an hour yesterday. => It took .......................................................................................................... 7. My mother doesn't like coffee and tea. => My mother likes neither.................................................................................... 8. You shouldn't eat too much candy. => You'd........................................................................................................... Section II : There is a mistake in each of these sentences. Underline the mistake and then correct it. (2pts) 1. The dirt on vegetables can cause you sick . => .................................................................................................................. 2. Scientists say that the life started in the ocean . => ................................................................................................................. 3. He gave up to smoke 2 years ago. => ................................................................................................................... 4. He is a fast runner. He runs fastly. => ................................................................................................................... 5. Can I lend your pencil? I'm sorry. I'm using it. => ................................................................................................................... 6. You should keep silently when they are working. => .................................................................................................................. 7. How many times in a day do you brush your teeth ? => ................................................................................................................... 8. Long is worried because he has see the dentist. => ................................................................................................................

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