Biết cứ tăng `20^o C` thì dây đồng dài `1m` tăng thêm `0,58 mm` Tính chiều dài của dây đồng` 100 m` ở nhiệt độ `30^o C` đươc nung nóng đến `90^o C`

Choose the correct sentence A, B, C, or D that is built front the words and phrases given. 33. We/ought/ submit/assignment/ tomorrow. A. We ought submit our assignment tomorrow. B. We ought to submit our assignment tomorrow. C. We ought to have submitted our assignment tomorrow. D. We ought have submitted our assignment tomorrow. 34. We/ hardly/ understand/ him/ because/ his accent. A. We hardly ever can understand him because of his accent. B. We may hardly understand him because his accent. C. We hardly understand him because he has his accent. D. We can hardly understand him because of his accent. 35. he/ retire/ eldest son/ take over/ business. A. After he retired, his eldest son took over his business. B. After retiring, his eldest son will take over his business. C. After he retires, his eldest son will take over a business. D. After he has retired, his eldest son took over a business. 36. The patient/ recover/ more/ rapidly/ expected. A. The patient recovered rapidly he expected more than. B. The patient has recovered more rapidly he expected. C. The patient recovered more rapidly than expected. D. The patient rapidly recovered than he more expected. Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. 37. “ I’m sorry I have to leave so early” he said A. He apologized for having to leave early B. He apologized that he has to leave early C. He apologizes for having to leave early D. He apologizes for having to leave early 38. “Why don’t you put a better lock on the door?" said John. A. John suggested to put a better lock on the door. B. John asked why not putting a better lock on the door. C. John suggested putting a better lock on the door. D. John made us put a better lock on the door. 39. I don’t have enough money with me now; otherwise I would buy that coat. A. If I didn’t have enough money with me now, I would buy that coat. B. If I had enough money with me now, I would buy that coat. C. If I had enough money with me now, I wouldn’t buy that coat. D. If I didn’t have enough money now, I wouldn’t buy that coat. 40. You should clean this room every day. A. This room should be cleaned everyday. B. This room should been cleaned everyday. C. This room should clean everyday. D. This room should be clean everyday.

1 electron bay vào không gian có từ trường đều coa cảm ứng từ B=0,1 T vận tốc ban đầu V⁰=4.10⁵m/s vuông góc với đường sức từ. Tính lực lorenxo tác dụng vào electron

Viết đoạn văn nghị luận ngắn có sử dụng yếu tố tự sự và miêu tả. Chỉ rõ

Beautiful Christmas tree is often decorated our house by us Viết bị động thế này có được không ạ ?

Viết lại thành câu hoàn chỉnh 1. Robots/ help/ us/ do/ housework/ in the future. 2. Robots/ take care/ children/ in the future? 3. Super cars/ will/ run/ water/ in the future? 4. If/ more people/ cycle/ there/ be/ less air pollution. 5. What/ you/ do/ if/ you/ see/ someone/ throw/ rubbish/ road? 6. My/ future/ school/ be/ ocean. 7. It/ convenient/ have/ smart TV/ house. 8. What/ kind/ program/ you/ want/ watch? 9. We/ save/ lot of/ trees,/ if/ we/ not waste/ much paper. 10. He/ think/ people/ might/ live/ robots/ future.

Cho ` ΔABC`, trọng tâm `G`. Lấy `M\in AB, N\in AC` để `M,G,N` thẳng hàng. CMR: `(AB)/(AM)+(AC)/(AN)=3`

cho hình chóp SABCD đều cạnh đáy a, góc giữa mặt bên và đáy bằng 45°. Tính khoảng cách từ A đến (SBD)

Một bình cầu thuỷ tinh chứa không khí được đậy kín bằng nút cao su, xuyên qua nút là một thanh thuỷ tinh hình chữ L (hình trụ, hở hai đầu). Giữa ống thuỷ tinh nằm ngang có một giọt nước màu như hình 1. Hãy mô tả hiện tượng xảy ra khi hơ nóng và làm nguội bình cầu? Từ đó có nhận xét gì? Câu 6. (1 điểm) Một đoàn tàu dài 250 m chạy qua một cái hầm dài 1,5 km với tốc độ 60 km/h. Hỏi từ lúc đầu tàu bắt đầu vào hầm tới lúc đuôi tàu ra khỏi hầm mất thời gian bao lâu?Trình bày nguyên nhân, triệu chứng và cách phòng bệnh kiết lị? Em hãy nêu các bước rửa tay để có bàn tay sạch?

8. I really love living in Montreal _________ there are so many places to visit that are nearby. A. but B. so C. because D. although