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maichi0804261016
2 năm trước
công của lực điện trường làm di chuyển một điện tích giữa 2 điểm có hiệu điện thế U = 20v là 1mj.tính độ lớn diện tích đó
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I. Give the correct form of the word given to complete the sentence. 1. Is she enough to run one kilometer? (GOOD) 2. “Ow! Be careful with that coffee.” - “Look, now I have a on my arm” (BURNING) 3. Rob has a of 39.50C (TEMPERATE) 4. Don’t eat so quickly. You’ll get a ___ (TEETH) 5. I have a in my back. I’m going to lie down. (PAINFUL) 6. That’s a bad . Why don’t you have a glass of water? (COUGHING) 7. “I have .” - “Why don’t you telephone the doctor?” (STOMACH) 8. My arm after the table tennis match (HURT) 9. “I have a .” - “That’s because you watch too much TV.” (HEAD) 10. Lan was absent from class because of her ______ (SICK) I. Put the verbs in brackets in the correct tense form. 1. Nam looks brown. He was on holiday last week. He (get)……………sunburn. 2. Getting plenty of rest is very good. It (help)……………….you to avoid depression. 3. The Japanese (eat)………………………..a lot of fish so they are very intelligent. 4. If you wash your hands more, you (have)……………….less chance of catching flu. 5. Eating carrots regularly (help)……………………….you see better. 6. It is very hot outside. Please (wear)…………………a sun hat when you go out. 7. Do more exercise and you (feel)………………………..healthier. 8. I don’t want (be)……………………………..tired tomorrow so I go to bed early. 9. Nowadays, I don’t feel well. I often (feel)……………………….sick and weak. 10. People who ( smile)……………………….more are happier and they live longer.

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