I. Choose the word whose underlined part is pronounced differently from that of the others in each group. 1.A. peaceful B. pleasure C. sleepy D. cheap 2.A. blossom B. chess C. messy D. passion 3.A. clothes B. fireworks C. scissors D. mountains 4.A. stadium B. place C. paddy D. lake 5.A. lunch B. music C. unpopular D. study II. Complete the sentences below using the correct form of comparative or superlative adjectives. Ex: - Lan is Hoa. (tall) Lan is taller than Hoa. - Nam is student in his class. (young) Nam is the youngest student in his class. 1. A new house is ……………………………… an old one. (expensive) 2. Motorbikes are ……………………………… bicycles. (fast) 3. My television is ……………………………… his television. (modern) 4. Summer is ……………………………… Spring. (hot) 5. Jane is ……………………………… her sister. (beautiful) 6. Skirts are ……………………………… dresses. (cheap) 7. Her English is ……………………………… my English. (good) 8. A bicycle is often ……………………………… a car in busy cities. (convenient) 9. Nile River is ……………………………… river in the world. (long) 10. This book is ……………………………… of these books. (interesting) 11. Ho Chi Minh City is ……………………………… city in Viet Nam. (big) 12. They are ……………………………… students in my class. (good) 13. These houses are ……………………………… in the village. (beautiful) 14. Winter is ……………………………… season in the year. (cold) 15. Airplane is ……………………………… means of transport. (fast)

phân biệt phát triển qua biến thái hoàn toàn, biến thái không hoàn toàn, và phát triến không qua biến thái

GIÚP TỚ VỚI Ạ 1.A species of animal or plant that is ______ no longer has any living members either in the world or in a particular place. A. extinct B. rare C. survival D. productive 2.Tropical forests have supplied us with many sorts of plants for food, medicine, and industry. A. affected B. influenced C. changed D. provided 3.Laws have been introduced to prohibit the killing of endangered animals. A. advise B. decrease C. ban D. encourage 4.Hunting for meal and burning forests for soil _______ wildlife. A. protects B. conserves C. destroys D. survives 5. ________ would like to see even more ambitious goals to reduce greenhouse gas emissions. A. Environment B. Environmental C. Environmentally D. Environmentalist 6.A nuclear reactor releases radiation which is dangerous ______ the environment. A. with B. on C. for D. to 7.He would never do anything to ________ the lives of his children. A. danger B. dangerous C. endanger D. endangered 8.The preservation of old buildings should be taken ______ consideration. A. for B. into C. off D. on 9.You have to be aware of the damage which humans are doing to quicken the ______ of wildlife. A. extinct B. extinctive C. extinctions D. extinction 10. The pop festival passed off peacefully, _______ the fears of local residents. A. despite B. due to C. because of D. in spite 11.A healthy body will be able to fight off the illness ______ without the use of medicine. A. nature B. natural C. naturalized D. naturally 12. Green power is displacing power that would have come from a ______source. A. renewable B. non-renewable C. unlimited D. available 13. Laws have been introduced to prohibit ______ endangered animals. A. killing B. to kill C. killed D. kill 14. They collected more garbage in 1998 than they ______ in 1995. A. did B. had had C. had done D. had 15. Animals _____ in the zoo know nothing about the life in the forest. A. were born B. to born C. had been born D. born

giúp mik hết nhé cần gấp ai trả lời vote cho5 sao

các bạn ơi giúp mik sửa bài này với ạ!!

Ai giúp mình giải hộ bài này vs ạ, mình đang cần gấp, hậu tạ 20đ

một ca nô chạy xuôi dòng khúc sông AB dài 120km sau đó chạy ngược dòng từ B về A biết vận tốc nước là 3km/h và thời gian chạy xuôi dòng ít hơn chạy ngược dòng là 1 giồ tính vận tốc reeing của ca nô

Hỗn hợp X gồm một số hidrocacbon là đồng đẳng kế tiếp. Tổng khối lượng phân tử của các hidrocacbon trong A là 252, trong đó khối lượng phân tử của hidrocacbon nặng nhất bằng 2 lần khối lượng phân tử của hidrocacbon nhẹ nhất. Công thức phân tử của hidrocacbon nhẹ nhất và số lượng hidrocacbon trong X là

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