Điều kiện tự nhiên nào k tạo thuận lợi để nghành thủy sản phát triển
Một ô tô có khối lượng 700kg đang chạy với vận tốc 30m/s. a. Tìm động năng của ô tô? b. Độ biến thiên động năng của ô tô bằng bao nhiêu khi nó bị hãm tới vận tốc 10m/s? c. Tính lực hãm trung bình, biết quãng đường mà ô tô đã chạy trong thời gian hãm là 100m?
ai vẽ cho mik con nhện ( k sao chép )
Khi nhiệt độ của một vật rắn tăng lên thì: A, Thể tích của vật tăng lên. B, Khối lượng của vật tăng lên. C, Khối lượng riêng của vật tăng lên. D, Khối lượng riêng của vật giảm đi.
XI. Fill in the blank with a correct preposition (5pts) 1. My father is interested____________ playing volleyball. 2. Mr Bean spent his whole life struggle_____________ his heart attack. 3.LanAnhinsited _________________buying a good handbag. 4. My students’ve lived in this village_____________ 10 years. 5. Hold____________ a minute while I get my breath back. 6. Giang’s parents are tired______________ living near the garbage dump. 7. Are you free_______________ Monday evening. 8. Linh’s still looking______________ a job. 9. The increase in population has led_______________ overcrowding in many cities. 10.Ngoc Anh tried _________________the new dress but it didn’t fit. XII. Fill in each numbered blank with one suitable word. (10pts). Charlie Chaplin was born in a very poor part of London. (1) ................... father was comedian and his mother worked (2) .................. a dancer and a singer. (3) ..............…of them was successful so the family had very (4) .................money. The (5) …......… time he himself earned money by dancing and singing, he was only five years old. He did many kinds of jobs, but what he loved (6) ................... was working in the theatre. When he was (7) ................... fifteen, he joined a traveling theatre company and went on trips to America. On (8) ...................such tour, he was (9) ................... a part in a film, so he went to Hollywood, where he eventually became both a famous actor and film director. He died in Switzerland in 1977, at the age of 88. There is now a statue of him in Leicester Square, London, the city of his (10) ...................... and early up-bringing.
Nêu ví dụ trong trường hợp lực tác dụng lên vật có thực hiện công
Viết đoạn văn nghị luận nêu suy nghĩ về những việc làm tốt của bản thân. Xác định luận điểm, luận cứ trong đoạn.
Câu 4. Make questions for the underlined words and phrases 1. I am studying at New Method College. 2. I started learning English two years ago 3. The film “Harry Potter “ is on at 8.30 Câu 5. Choose the word that has the underlined part pronounced differently from the others 1. a. although b. sidewalk c. along d. all 2. a. enroll b. both c. lost d. program 3. a. shout b. loud c. group d. scout 4. a. volunteer b. support c. century d. fund Câu 6. Write sentences. Say what people are going to do 1. My uncle has won some money (buy a new car ) 2. I’ll have an annual holiday next month. (visit Ha Long Bay) 3. My father has a bad cough (stop smoking) 4. Linh is studying medicine (be a doctor) 5. We have bought some bricks (build a garage) Câu 7. Write the past simple form of the following verbs: 1. use 4. come 2. make 5. be 3. go 6. appear Câu 8. Complete the sentences with prepositions of time 1. I’ll see you…the evening 2. They got married…21 April 2002 3. I’m usually free…8pm and 10pm 4. She doesn’t like travelling…night 5. Do you give each other presents…Christmas ? Câu 9. Choose the right word in brackets to complete each sentence 1. Our team won the game because we played very…(good/well) 2. Her English is quite…(fluent/fluently) 3. She fell and hurt herself…(bad/badly) 4. He look at me…when I interrupted him (angry/angrily) 5. I alwways feel…when the sun is shining (happy/happily) Câu 10. Complete the sentences. Put for or since into each gap. 1. I’m staying in England …a year 2. She has lived in London…1985 3. I have known her…January 4. Have you learned English …a long time ? 5. I haven’t seen Tom…we left school.
Giải bài toán bằng cách lập phương trình
Tính A= (1^2/1.2).(2^2/2.3).(3^2/3.4)...(100^2/100.101)
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