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cuongybyb123
2 năm trước
Hấp thụ 2,24l khí CO2 vào 100ml dung dịch hỗn hợp gồm NaOH 0,6M và Ba(OH)2 0,5M.Tính số gam kết tủa sau phản ứng. Mn giúp e theo cách ko cần dùng ion đc ko ạ?
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I. Put the verbs in brackets into the correct tense. 1. If I ................................. his address I'd give it to you. KNOW 2. He ................................. a lot better if he shaved more often. LOOK 3. If he worked more slowly he ............................. so many mistakes. NOT MAKE 4. More tourists would come to this country if it ........................ a better climate. HAVE 5. I .............................shares in that company if I had some money. BUY 6. If I ......................... a big prize I ............................... up my job. WIN GIVE 7. If someone ....................... you a helicopter, what would you do with it ? GIVE 8. I .......................... ruined if I ............................. her everything she wants. BE BUY 9. What .................... you ................. if you found a burglar in your house ? DO 10. What ................. she ...................... if I proposed to her ? SAY 11. If you ................ more sense you ....................... out with this guy. HAVE NOT GO 12. If I ................. a lot of money I ....................... champagne with every meal. HAVE DRINK 13. If only we ......................... a light ! It's terrible to sit in darkness. HAVE 14. If I were sent to prison, ...................... you ...................... me ? VISIT 15. I ............................ this wine if I ................................ you. NOT DRINK BE 16. If I .................... you I ............................ there by myself. BE NOT GO II. Rewrite the sentences, using IF - constructions. e.g. She is very busy, that's why she doesn't go out very often If she weren't so busy she would go out more often. 1. He doesn't take any exercise, that's why he is so fat. 2. She is very shy, so she doesn't go to parties. 3. My phone number isn't in the directory, so people don't ring me up. 4. I have no dog so I'm often afraid at night. 5. I don't know his address so I can't write to him. 6. I haven't much free time so I read very little. 7. They don't clean the windows so the room looks rather gloomy. 8. People drive very fast so there are many road accidents.

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