iiiiiiiiiĐáp án:
Giải thích các bước giải:
Lấy năm ví dụ về môi trường trong đất: đất cát, đất sét, đất đá, sỏi,....
Viết một đoạn thuyết minh về quê hương ( giới thiệu quê hương em) CÀ MAU VĂN THUYẾT MINH
Viết một đoạn văn ngắn(khoảng 5-7 câu) tả cảnh quê hương em, trong đó có một vài câu đặc biệt.
Exercise 5. Complete the sentences with the correct tense of the verbs in brackets. Use the past simple or the present perfect tenses. 1. I’m really hungry. I ______________ (not have) lunch yet. 2. We ______________ (not have) a maths class last week. 3. Keith’s not home now. He ______________ (go) to the beach this weekend. 4. My family ______________ (move) to Canada in 2010. 5. _________ you ever __________ (visit) San Adarino? 6. He ______________ (live) in London for two years when he was a student. 7. __________ Jenny __________ (go) to the dentist yesterday? 8. They ______________ (work) in this company since 2001. 9. _________ you __________ (see) Joana recently? 10. Jim ______________ (break)his leg in a skiing accident two years ago.
Tìm trong các văn bản truyện ngắn "Bến tre" ,"Những ngôi sao xa xôi" các câu văn có chứa các thành phần biệt lập mà em đã học
công thức hóa học của đường glucozơ c6h12o6 thức hóa học của đường glucozơ là C6H12O6 a) có bao nhiêu nguyên tử C, H, O trong 1,5 mol đường trên b) tính khối lượng mol đường c) trong 1 mol đường glucozơ có bao nhiêu gam mỗi nguyên tử C, H và O
VIII. Read the text. Complete the text by matching sentences A-G with gaps 1-6. There is one extra sentence you do not need. A Her head and her arm hurt, but she was alive. B He needed to take a plane into the jungle, but the flight was full C The problem was that she couldn't walk. D She walked for ten days with no food. E But after ten days, they decided that everybody was dead, so they stopped looking for people. F The other 96 people on the plane all died in the accident. G So she knew that the important thing was to find fresh water. ESCAPE FROM THE JUNGLE It was Christmas Eve 1971. A film director called Werner Herzog was at the airport in Lima, Peru. (1) ________ Herzog waited for the next flight and the plane took off from the airport without him. A few minutes later, it crashed into the jungle. There was only one survivor – a 17year-old German girl called Juliane Koepke. (2) ________ When the plane crashed, Juliane fell through the trees and landed on the ground. She woke up 24 hours later. (3) ________ She knew that she needed to get out of the jungle. Juliane didn't have the right clothes for a journey like this – she had a miniskirt! – but she knew a lot about the jungle. Her parents were scientists. They studied the jungle n Peru, and the jungle was Juiane's home when she was a young child. (4) ________ When she found water, she followed it and soon came to a river. She knew that there were often villages near a river. But it wasn't an easy journey for her. (5) ________ She often had to walk or swim through dangerous water, full of crocodiles. People flew over in a small planes to look for survivors from the accident. (6) ________ Two days later, Juiane Koepke walked out of the jungle, very hungry and tired, but alive! Fifteen year later, Werner Herzog went to Peru and made a film about Juliane Koepke's amazing journey.
1. hiệp định pải được kí ở đâu? 2. Ai là người đại diện cho phía Cách mạng Việt Nam đạt bút ký vào văn bản Hiệp định Pa –ri lúc bấy giờ ? 3. Hãy nêu các điểm cơ bản của Hiệp định Pa-ri ? 4. Hòan cảnh của Mĩ năm 1973 có điểm gì giống nhau so với hoàn cảnh của Pháp 1954? 5. Nội dung Hiệp định Pa-ri cho ta thấy Mĩ đã thừa nhận điều quan trọng gì ?
giải đc xin cảm ơn và hâụ tạ 5 star and bonus thêm lời giải hay lun ạ Bài 1: Cân bằng các PTHH sau: 1) CO2 + Ba(OH)2 → BaCO3 + H2O 2) Na3PO4 + Ba(OH)2 → Ba3(PO4)2↓ + NaOH 3) CuSO4 + Na2S → CuS↓ + Na2SO4 4) MgCO3 + HCl → MgCl2 + CO2 + H2O 5) Ca(NO3)2 + Na2CO3 → CaCO3↓ + NaNO3 6) Fe + Cl2 → FeCl3 7) Fe(OH)3 + H2SO4 → Fe2(SO4)3 + H2O 8) FeCl3 + KOH → KCl + Fe(OH)3↓ 9) H2SO4 + Na2SO3 → Na2SO4 + SO2 + H2O 10) Na2CO3 + Mg(NO3)2 → MgCO3 + NaNO3 11) NaCl + AgNO3 → NaNO3 + AgCl 12) NH4NO3 + Ba(OH)2→Ba(NO3)2 + NH3 + H2O 13) MgCl2 + KOH → KCl + Mg(OH)2 14) Al(OH)3 +HCl → AlCl3 + H2O 15) CuCl2 + NaOH → NaCl + Cu(OH)2 16) SO2 + KOH → K2SO3 + H2O 17) NaOH + Fe2(SO4)3 → Fe(OH)3 + Na2SO4 18) SO3 + Ba(OH)2 → Ba(HSO4)2 19) Al(NO3)3 + K3PO4 → AlPO4 + KNO3 20) Al + HCl → AlCl3 + H2 Bài 2: Viết PTPƯHH xảy ra giữa oxi lần lượt với các chất sau: Mg, Al, P, S, C2H4, C2H6O, ghi rõ điều kiện phản ứng. Bài 3: Cho các oxit sau: CO2, SO3, CaO, Fe2O3, MnO2, NO2, P2O5, CuO, Al2O3, BaO. Hãy gọi tên và phân loại các oxit trên. Bài 4: Đốt cháy 5,4 gam nhôm trong bình đựng 4,48 lít khí oxi (đktc) tạo thành chất rắn là nhôm oxit Al2O3. a/ Chất nào dư sau phản ứng? Dư bao nhiêu gam? b/ Có bao nhiêu gam nhôm oxit tạo thành? Bài 5: Tính thể tích khí oxi cần thiết để đốt cháy hoàn toàn khí metan CH4 có trong 1m3 khí chứa 2% tạp chất không cháy. Các thể tích khí được đo ở đktc.
Give the correct form of the word given to complete the sentence. 1. I was _____________ furious with her. (ABSOLUTE) 2. After the hurricane the country faced the _________ task of reconstruction. (AWE) 3. The airfield was bathed in the _____________ glow of a searchlight. (GHOST) 4. There is a _____________ look in her eyes. (HAUNT) 5. John Lennon gained status following his death. (ICON) 6. Their dedication and Christian charity had made them a _____________figure. (LEGEND) 7. The president made an _____________ visit to Tokyo in March. (OFFICE) 8. It's quite a _____________ film. (PUZZLE) 9. TV _________ know what people want to watch on Sunday nights. (SCHEDULE) 10. She was a _____________ gifted technician. (UNIQUE) 11. The maple tree is one of the most _____________images of Canada. (ICON) 12. Visiting New Zealand, you will have a chance to see a lot of _____________ landscapes. (SCENERY) 13. English is the _____________language of many countries in the world. (OFFICE) 14. Scotland is very famous to the world for its rich culture as well as its_____________ beauty. (NATURE) 15. The castle looks as charming as a lady with _____________ beauty. (END) 16. The Canadians are native_____________ of English. (SPEAK) 17. English is an_____________ language of France. (OFFICIAL) 18. Jenny_____________ loves the koala in Australia.(absolute) (ABSOLUTE) 19. The violation of that company was_____________yesterday. (EXPOSURE) 20. Do storm water and the atmosphere bring non- point source _____________? (POLLUTION)
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