user-avatar
mydungsinhhth
2 năm trước
Phân tích được các ví dụ khác về diễn thế sinh và thứ sinh; giải thích được nguyên nhân dẫn đến các loại diễn thế từ các ví dụ.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

16. Australia is home to ..................... animals like kangaroos and koalas. A. only B. rare C. unique D. precious 17. If you were the president, what ..................... you do to help the environment? A. will B. did C. would D. do 18. The Maori in New Zealand greet each other by ........................ their noses. A. touching B. punching C. blowing D. rubbing 19. The village’s drinking water ........................ with poisonous chemicals since the factory came into operation. A. contaminates B. is contaminated C. has contaminated D. has been contaminated 20. When the policeman came to the scene, the driver of the car ........................ A. have left B. had left C. leaves D. was left 21. All people who were without homes in the flood were provided with ..................... accommodation. A. short B. temporary C. present D. instant 22. I believe that our new manager has the ............ to work well in this business environment. A. inflexible B. flexibly C. flexibility D. flexible 23. If the factory .................. dumping poison into the lake, all the fish and other aquatic animals will die. A. continues B. continued C. will continue D. continue 24. You will recognize Jenny when you see her. She .................... a red hat. A. wears B. is wearing C. will wear D. will be wearing 25. The farmer rides the buffalo-........................ carts loaded full of rice home. A. draw B. drawing C. drew D. drawn 26. Little Pascal .................. a mechanical calculator which could do additions or subtractions very quickly. A. discovered B. found C. found out D. invented 27. Robots save workers from .................. dangerous tasks. A. making B. having C. performing D. carrying 28. Many people believe that robots have made workers jobless .................. that is not necessarily true. A. but B. and C. so D. or 29. Recent ............... developments have made robots more user-friendly and intelligent. A. science B. scientist C. scientific D. scientifically 30. Teenagers spend most of their time playing computer games, ............... they lost their interests in daily activities. A. moreover B. so C. however D. as a result 31. Science and technology have .................. the life safe, secure and comfortable. A. transformed B. made C. done D. changed 32. The teacher .................... me that I had better devote more time to science subjects such as physics, chemistry, and biology. A. said B. talked C. spoke D. told 33. Science is used in all corners of the world for the .................... of people. A. interest B. need C. profits D. benefit 34. If you .................... something, you should patent it as quickly as possible. A. invented B. will invent C. have invented D. are inventing 35. Sciences and technology have enormous ............................ on economic development. A. affects B. effects C. affect D. effect

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team