VII. Choose the best answer A, B, C or D to complete the sentences. 1. “Would you mind if we ____ you by your first name?” - “Not at all. Please call me Tom.” A. called B. call C. calling D. want to call 2. She can't get home ____ she has no money. A. unless B. if C. until D. without 3. If I had known your new address, we ____ to see you. A. came B. will come C. would come D. would have come 4. If we took the 10:30 train, ____ too early. A. we would arrive B. we should arrive C. we will arrive D. we may arrive 5. It's very crowded here. I wish there ____ so many people. A. aren't B. weren't C. haven't been D. isn't 6. I wouldn't go there at night if I ____ you A. am B. was C. were D. had been 7. If I ____ get a rode, I'll go fishing. A. can B. could C. may D. might 8. If they had enough time, they ____ head south. A. will B. can C. must D. might 9. If you ____ a choice, which country would you visit? A. have B. had C. have had D. will have 10. Trees won't grow ____ there is enough water .A. if B. when C. unless D. as 11. I have a test to take tomorrow morning. If I ____ free time, I ____ to Cuc Phuong National Park with you. A. had - would go B. will have - will go C. have - will go D. had - went 12. Phong Nha Cave has been regarded by the British Cave Research Association as the top cave in the world ____ its four top records. A. despite B. with C. due to D. because 13. ____ the decisive assistance of the villagers, we would not be able to facilitate the ecotour. A. But B. Neither C. With D. Without 14. According to the weather forecast, it will be fine at the weekend. If the weather ____ fine, we ____ on camping at the weekend. A. were - would go B. was – went C. is - will go D. will be - go 15. After lunch, we take a short talk to the elephant camp ____ you will enjoy an exciting elephant riding. A. where B. what C. that D. when 16. You can climb up Mount McKinley, the highest peak in North America, to explore the rest of Denali National Park in Alaska, and view some ____ wildlife. A. interested B. spectacular C. excited D. great 17. The vast wilderness of Alaska offers some unbelievable ecotourism opportunities, and one of the most ____ tourism industries in the USA. A. sustainable B. natural C. safe D. environmental 18. Villagers can compete against the commercial fishing and timber companies who ____ the natural resources of the area, taking as much as they want. A. deplete B. lower C. leave D. decrease 19. The Mekong Delta is an extraordinary place that ____ international tourists. A. offers B. considers C. attracts D. persuades 20. The areas are very ____ for tourists who love to study and discover. A. suitable B. available C. successful D. aware

Chất béo có nhiều trong thủy sản, đúng hay sai

có mấy vị trí để đặt biểu đồ trên trang tính

Câu 1 . Nguyên nhân nào dẫn đến tình trạng các loài động vật quý hiếm có nguy cơ bị tuyệt chủng Câu 2 . Nêu nguyên nhân gây ra sự suy giảm đa dạng sinh học - Các biện pháp cần thiết để duy trì đa dạng sinh học - Vì sao độ đa dạng về loài ở môi trường nhiệt đới gió mùa lại cao

Use the word given in capitals at the end of each line to form a word that fits in the gap in the same line. ecology / diverse/inspire/ conserve/ significance/habitant/domination / supportive 1. The southeast area of Viet Nam has typical ___________________________________systems with Cat Tien, Con Dao National Park, Can Gio Biosphere Reserve, which are characterized by high biological diversity .2. Bac Lieu Bird Sanctuary Nature Reserve is a coastal rich and _____________________salt forest floor with the natural salt-marsh ecosystem. 3. The wonder of Cao Son Eco-Lodge in Lao Cai is ______________________________with mild weather, authentic culture of local hill tribes and spectacular landscapes. 4. The limestone forest ecosystem at Phong Nha - Ke Bang support a high diversity of plant and animal species, and it is of the greatest ______________________ significance. 5. At an altitude of 178 meters, Ba Be is the only __________________________ natural mountain lake in Viet Nam. 6. Ba Be Lake is unique among Vietnamese protected areas for the diversity of freshwater __________________________. 7. The vegetation of Cuc Phuong National Park is ___________________________ by limestone forest. 8. Cuc Phuong National Park __________________________ populations of several mammal species of conservation importance

Nêu những biện pháp mà học sinh có thể làm để bảo vệ động vật quý hiếm? Các sân bay đã áp dụng biện pháp nào để hạn chế tai nạn máy bay do chim gây ra ? Các cầu tàu, bến cảng đã làm gì để hạn chế tác hại khi các loài chim ăn cá trong quá trình vận chuyển cá từ tàu lên bờ ?

1) Dùng một thìa nhôm được đun nóng đến 200 độ C có khối lượng 250g bỏ vào 2,5 lít nước từ 25 độ C. Hãy tính nhiệt độ cuối cùng của 2 vật? Bỏ qua sự thoát nhiệt ra môi trường

Mn giúp mik giải nhé nếu ai đúng và nhanh nhất sẽ đc 5 sao

chứng minh rằng: a) a^2+b^2-2ab ≥0 b) a^2+b^2/2 ≥ab c) a(a+2)< (a+1)^2 d) m ² + n ² + 2 ≥ 2(m+n) e) (a+b)(1/a +1/b) ≥ 4 (với a>0,b>0)

Giải thích và áp dụng kiến thức sinh trưởng và phát triển trong trồng trọt và lĩnh vực đời sống