Nêu cơ chế hình thành thể tam bội, thế tứ bội

Khi ko có chiến tranh thì truyền thống dựng nước và giữ nước đc giữ gìn và phát huy ntn Điều đó đc thế hiện ra sao? Lấy vd

41. Gillian and Darren greeted the speakers with great__________. A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically 42. Dennis was a genuine _______ for financial matters. A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically 43. I explained our problems to the bank manager, and he is ______________ A. sympathize B. sympathy C. sympathetic D. sympathetically 44. The Irish are very __________ about horse racing. A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically 45. You should remember_______ the package for me. A. post B. posting C. to post D. to be posted 46. He could not hide his ______________ at his children’s rudeness. A. embarrassment B. embarrassing C. embarrassed D. embarrassingly 47. ‘The new program is really well designed,’ she says ____________. A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically 48. The nurse denied_______ the injection. A. having given B. giving C. to be given D. to give 49. She asked a lot of ______________ questions. A. embarrassment B. embarrassing C. embarrassed D. embarrassingly 50. I have always regretted __________harder at school. A.not studying B. not to study C. not to be studied D. not being studied 51. I hope I didn't ______________ you in front of your friends. A. embarrassment B. embarrassing C. embarrass D. embarrassingly 52. British Airways regret ______the cancellation of flight BA205 to Madrid. A. to announce B. to be announced C. announcing D. announce 53. If you want to get a good result in every work, you should have a ______ A. loyalty B. sympathy C. constancy D. unselfishness 54. A ______ friendship is a precious relationship. A. mutual B. sincere C. generous D. successful

. The terraced fields of Sa Pa have entered______ the Top 11 most beautiful terraces in the world according to Touropia. A. in B. on C. at D. of 26. Gathering and hunting still play an important role in the _____.of the Laha. A. economic B. economy C. economical D. economize 27. _____.ethnic group has a large population, the Tay or the Ede? A. What B. Why C. Which D. Who 28. Ethnic peoples in the mountains have a simple way of farming. They use basic tools to______ the farm work. A. check B. work C. make D. do 29. Many ethnic minority students have to _____ a long way to their schools every day A. travel B. ride C. pass D. get 30. People_____ some far-away mountainous regions still keep their traditional way of life. A. on B. in C. of D. at 31.The Gong Festival is held ______________ in the Central Highlands. A. year B. yearly C. annual D. annually 32.____________ does Hoa Ban Festival take place? – In Lai Chau. A. What B. Where C. When D. How 33.It is typical of the cultural life of Thai people. A. some B. a C. the D. Æ 34. do the cattle provide for the nomads? – Dairy products, meat and clothing. A. What B. Where C. Wh

Tính một cách hợp lý a)1 ÷(−1 1/2) ÷1 1/3÷(−1 1/4) ÷1 1/5 ÷(−1 1/6)÷…÷(−1 1/100)

Làm hộ mik vs ạ và viết cách giải giúp mik có 2 câu thôi ạ

2p nhanh nhé ........................

Viết 1 đoạn văn dài khoảng một trang , nêu cảm nhận của mình về 2 câu thực của bài thơ Thương vợ của Trần Tế Xương. Mong mọi người giúp em với ạ chiều em nộp rồi

I.Rewrite sentences,using “be going to+V” a/He intends to have a trip to the countryside b/They plan to go camping this weekend, c/My family intends to go on a picnic this Sunday

34. Sally's low test scores kept her from _______ to the university. A. admitting B. to admit C. to be admitted D. being admitted 35. I have a lot of ______________ for her; she had to bring up the children on her own. A. sympathize B. sympathy C. sympathetic D. sympathetically 36. It can be ______________ difficult to answer. A. embarrassment B. embarrassing C. embarrassed D. embarrassingly 37. He was ______________to admit making a mistake. A. embarrassment B. embarrassing C. embarrassed D. embarrassingly 38. I can ______________ with those who have lost loved ones. A. sympathize B. sympathy C. sympathetic D. sympathetically 39. Senator Capp is very ______________to environmental issues. A. sympathize B. sympathy C. sympathetic D. sympathetically 40. Jill smiled at her ________. A. sympathize B. sympathy C. sympathetic D. sympathetically