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Nguyenhien
2 năm trước
tính lực hút tĩnh điện giữa hạt nhân trong nguyên tử heli với một electron vỏ nguyên tố. cho rằng electron này nằm cách hạt nhân 2,94.10^-11
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I/ Change into passive voice 1. We have to learn the grammar hard. …………………………………………………………………………………………… 17. She often sweeps the floor every morning. …………………………………………………………………………………………… 18. No one can do the exercise. …………………………………………………………………………………………. 19. They knew that he stole the car. ……………………………………………………………………………………….. 20. She will be able to meet him. ………………………………………………………………………………………. 21. He is going to visit the family. ………………………………………………………………………………… 22. You must practice new word everyday. …………………………………………………………………………………….. 23. We have to learn English every night. …………………………………………………………………………………… 24. They must improve plumbing at the village. ………………………………………………………………………………………………… 25. She used to drink coffee at night. ………………………………………………………………………………………….. 26. The people can raise cows at Duc Linh. …………………………………………………………………………………………… 27. Have you ever met her? …………………………………………………………………………………………. 28. Who can do the exercises? ………………………………………………………………………………… 29. What are you doing? ………………………………………………………………………………… 30.He is going to grow vegetables in the garden. …………………………………………………………………………………

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