user-avatar
nguyenthithuthuytxan
2 năm trước
1 ô tô suất phát từ A lúc 8h sáng chuyển động thẳng đều tới B lúc 10h30', khoảng cách từ A đến B là 175(km) a) tính vận tốc của xe b)xe tiếp tục chuyển động thẳng đến C lúc 12h30' . Tính khoảng cách từ B đến C ?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Write the letter A, B, c or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. 1. His doctor advised him to stop to smoke A. His B. advised C. to stop D. to smoke 2. At first life was difficult for me because of I didn’t understand English. A. At first B. difficult C. because of D. understand 3. Silicon chips contain thousands of circuits in an area as smaller than a fingernail. A. thousands B. circuits C. as smaller D. a fingernail Choose the best answer, using conditional sentences. 4. I’ll be in trouble if I _________my passport. A. lost B. will lose C. lose D. would lose 5. If it is raining this evening, I___________. A. will go out B. don’t go out C. go out D. won’t go out 6. If he ___________ hard today, can he have a holiday tomorrow? A. works B. will work C. worked D. would work 7. If you are busy, we ___________ this by ourselves. A. will do B. did C. would do D. doing 8. If it ___________ tomorrow, we may postpone going. A. rains B. will rain C. shall rain D. raining 9. Unless you _________ all of my questions, I can’t do anything to help you. A. answered B. answer C. would answer D. are answering 10. I’ll give you a call if I ___________ some help tomorrow.” A. will need B. need C. would need D. needed 11.Will you be angry if I ___________ your pocket dictionary? A. stole B. have stolen C. were to steal D. steal 12. If you press that button what ___________? A. happen B. happened C. will happen D. would happen 13. If he ________ her, she could have an accident. A. didn’t warn B. warned C. warns D. doesn’t warn 14. If I were the Minister of Education, I ________more money on teachers. A. spent B. would spend C. will spend D. have spent 15. If I were you, I _____ a new car. A. buy B. will buy C. would buy D. bought 16. If I _____ a bird, I would be a dove. A. are B. were C. am D. is 17. If he ________French, he could visit France. A. know B. knows C. has known D. knew 18. If you had told me earlier, I _____________ it to you. A. would give B. will give C. would have given D. gave CÁC BẠN LÀM VÀ GIẢI CHO TIẾT GIÚP MÌNH VS Ạ

1. Choose the correct answer A, B, C or D in each line. 1. There are millions of stars the sky at night in the countryside. A. to B. from C. in D. on 2. Children often a lot of noise, so adults often feel angry about that. A. do B. make C. give D. work 3. the bad weather, farmers still work on their fields. A. In spite of B. Although C. Because of D. However 4. I am on visiting my grandparents' on the weekend. A. fond B. keen C. interested D. bored 5. Their farms produce rice, crops, and dairy . A. facilities B. comfort C. products D. cargo 6. Some large cities have to find measures to protect them from air . A. rubbish B. garbage C. wastes D. pollution 7. The streets in cities are than those in the countryside. A. crowded B. more crowded C. crowdeder D. less crowded 8. City drivers have to drive than country ones. A. more careful B. more careless C. more carefully D. more carelessly 2. Give the correct forms of verbs in the brackets. 1. H5N1 virus (harm) human body very quickly. 2. Vegetarians (live) on vegetables, fruit and nuts. 3. Tina (sometimes, miss) the bus to school. 4. She (not like) housework at weekends. 5. They (eat) two eggs every day. That (not be) good for their health. 6. My mother and I usually (cook) meals for my family but my father (seldom, cook) . 7. Hoa and Ba sometimes (not water) the flowers in their garden. 8. My brother (spend) half an hour (do) his homework everyday 3. Odd one out. 1. A. charming B. disgusting C. tempting D. appealing 2. A. country people B. villagers C. city dwellers D. country fork 3. A. markets B. shopping malls C. shops D. supermarkets 4. A. a cottage B. a ger C. a cage D. a house 5. A. grow B. collect C. pick D. harvest

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