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2 năm trước
Hai ô tô cùng khối lượng m tấn, chuyển động với các tốc độ v1 và v2. Tỉ số động năng của ô tô 2 so với ô tô 1 là 4 : 1. Biểu thức nào sau đây là đúng khi nói về mối quan hệ giữa v1 và v2 A. v1 = v2. B. v1 = 2v2. C. v2 = 2v1. D. v2 = 3v1.
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Nối câu sử dụng các từ: so, too ( 8pts ) Ex: I watched TV. He watched TV  I watched TV and he did, too.  I watched TV and so did he. 1. They can play volleyball. We can play volleyball. ............................................................................................................................ ............................................................................................................................ 2. Mr. Tam will come to the party tonight. His wife will come to the party tonight. ............................................................................................................................ ............................................................................................................................ 3. She is learning English. I am learning English. ............................................................................................................................ ............................................................................................................................ 4. I’m a doctor. They are doctors. ............................................................................................................................ ............................................................................................................................ 5. They must go to bed early. You must go to bed early. ................................................................................................................................. ................................................................................................................................. 6. He got up late. I got up late ................................................................................................................................. ................................................................................................................................. 7. They drank milk. We drank milk ................................................................................................................................. ................................................................................................................................. 8. She buys some bananas. We buy some bananas. ................................................................................................................................. .................................................................................................................................

Nối câu sử dụng các từ: so, too ( 8pts ) Ex: I watched TV. He watched TV  I watched TV and he did, too.  I watched TV and so did he. 1. They can play volleyball. We can play volleyball. ............................................................................................................................ ............................................................................................................................ 2. Mr. Tam will come to the party tonight. His wife will come to the party tonight. ............................................................................................................................ ............................................................................................................................ 3. She is learning English. I am learning English. ............................................................................................................................ ............................................................................................................................ 4. I’m a doctor. They are doctors. ............................................................................................................................ ............................................................................................................................ 5. They must go to bed early. You must go to bed early. ................................................................................................................................. ................................................................................................................................. 6. He got up late. I got up late ................................................................................................................................. ................................................................................................................................. 7. They drank milk. We drank milk ................................................................................................................................. ................................................................................................................................. 8. She buys some bananas. We buy some bananas. ................................................................................................................................. .................................................................................................................................

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