user-avatar
abcxyzvabcxyz
2 năm trước
Chất khí trong xi lanh của một động cơ bị nén, thể tích giảm đi 5 lần, áp suất tăng 9 lần so với ban đầu, còn nhiệt độ tăng 250 độ c tính nhiệt độ ban đầu khi đó?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

VIII. Đặt câu hỏi và trả lời về khoảng cách dựa vào những từ gợi ý ở mỗi câu sau 1. 120 km/ Ho Chi Minh City/ Vung Tau .............................................................................................................................. 2. 384,400 km/ the Earth/ the Moon .............................................................................................................................. 3. not very far/ Ha Noi/ Noi Bai Airport .............................................................................................................................. 4. 500 meters/ my house/ nearest shop .............................................................................................................................. 5. 700 meters/ my house/ Youth Club .............................................................................................................................. 6. five km/ my home village/ nearest town .............................................................................................................................. IX. Viết lại câu sao cho nghĩa không đổi, sử dụng “Used to” 1. I usually stayed up late to watch football matches last year, but now I don’t. → I used................................................................................................................ 2. There were some trees in the field, but now there aren’t any. → There used........................................................................................................ 3. Anna doesn’t live with her parents any more. → Anna used ........................................................................................................ 4. He is not a poor man any more, but he become a rich businessman. → He used ............................................................................................................ 5. They didn’t often go to the cinema every Sunday last year. → They didn’t use ................................................................................................ 6. My hair now is much longer than that in the past. → In the past my hair used ................................................................................... 7. I don’t have time to collect stamps as when I was in primary school. → I used................................................................................................................ 8. Did you often go to the beach when you lived in Nha Trang? → Did you use ...................................................................................................... 9. Mr. Hung often went to work by motorbike, but now he goes to work by bus. → Mr. Hung.......................................................................................................... 10.There were traffic jams in this street during rush hours, but now the street become wider. → There ................................................................................................................ X. Đọc đoạn văn rồi trả lời câu hỏi bằng cách chọn đáp án A, B, C hoặc D Yesterday, on the way home form school, I saw an accident. A boy was run over by a taxi when he was riding his bicycle. The boy’s leg was broken and it was bleeding badly. Someone there tried to stop the bleeding. They put pressure on it and held it right. A man used his mobile phone to call the emergency service. Some minutes later, an ambulance arrived and sent the boy to the hospital. Two policemen came to the scene immediately. Some people told the police that the taxi driver was driving at a very high speed when the accident happened. Some others began talking about the traffic accidents these days and blamed the increasing number of accidents on the roads for careless driving and drunk drivers. 1. What did the writer see yesterday? A. a fighting B. a fire C. an accident D. a crash 2. The accident happened between a taxi and a................ A. motorbike B. a bus C. a car D. a bicycle 3. The boy was sent to the hospital by .......... A. a car B. an ambulance C. a passenger D. a police 4. What part of his body was hurt? – His ................... A. head B. arm C. leg D. shoulder 5. How was the driver driving when the accident happened? – Very ........... A. slowly B. fast C. carelessly D. well

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