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lequanghieu2706
2 năm trước
17. Cu(OH)2 + H2SO4 18. Mg(OH)2 + CuCl2 19. Fe(OH)2 + ZnSO4 20. CuCl2 + NaNO3 21. BaSO4+ Cu 22. NaOH + ZnCl2 23. CaCO3 + HCl 24. BaCl2 + AgNO3 Mn giúp mk vs 😭 mai nộp r bài nào có pt thì làm hk bỏ nha mn do hk chung trang nên ms hk chụp đc. Năn nỉ mn ó giúp mk đi nha🥺🥺🥺
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Các câu hỏi liên quan

D.Read the passage about introducing Vietnamese customs to foreigners, and then choose the word or phrase among A, B, C or D that best fits the blank in the following passage. The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly (1) They regard friendship as being very important throughout one’s life. They are always open to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2) to their family. Even they (3) you a gift, the Vietnamese will usually speak lightly about it. Even though it is an expensive gift,they may pretend it is of no great monetary value. (4) 4,000 years of civilization, the Vietnamese are proud people who like to recite to a myth that they are descendants of an angel and a dragon . If you happen to be in their homes at meal time, the Vietnamese will probably (5) you to sit down and share whatever food is (6) . Let them know that youenjoy their food is one way in successfully (7) a better relationship with them. When theyinvite you to their homes for a meal, celebration, or special occasion, some (8) - usually food, fruits, chocolate or liquors - should be offered to the host's family. 1. A. manner B.feature C.culture D.tradition 2. A.closed B.closing C.close D.being closed 3. A.sell B.carry C.send D.offer 4. A.Of B.With C.At D.In 5. A.take B.require C.speak D.invite 6. A.available B.present C.good D.delicious 7. A.setting B.building C.taking D.being 8. A.offers B.invitations C.gifts D.situations

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