hộ em

bài 1 tính tổng dãy số cách đều sau a) D = 1+2+3+.....+47+48+49 b) E = 5 + 10 + 15 + ..... + 185 + 190 + 195 làm theo 4 bước bước 1 : Tính số các số hạng b2 : tính giá trị 1 cặp b3 : tính số cặp b4 : tính giá trị của tổng ko làm tắt làm như bài mẫu BÀI MẪU VD1 : B = 1+3+5+7+9+...+99 số các số hạng là : ( 99 - 1 ) : 2 + 1 = 50 ( số hạng )' giá trị của 1 cặp là : 1 + 99 = 100 số cặp là : 50 : 2 = 25 căp giá trị của tổng là : 100 x 25 = 2500

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Viết ngày tháng. 1. The first of January 2. The nineteenth of September 3. The second of May 4. The twenty-fifty of October 5. The thirty-first of July 6. The twelfth of December 7. The eighth of February

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II Choose the best answer : 11 They said that they had been driving throught the desert _____ A The previous day B yesterday C the last day D Sunday previously 12 He asked the chidren _____ too much noise A not to make B not making C don't make D if they don't make 13 The man said that money ______ the passport to everything A will be B is C was D can be 14 The teach said Columbus ______ America in 1942 A discovered B had discovered C was discovering D would discover 15 John said he ______ her since they ______ school A hasn't met- left B hadn't met - had left C hadn't met left D didin't met - has left 16 The woman asked _____ get luch at school A can the children B whether the children could C if the children D could the children 17 Laura said thet when she _______ to school, she saw an accident A was walking B has walked C had been walking D has been walking 18 He asked, '' Why didn't she take the final exam?'' - He asked Why _____ the final exam A she took B did she take C she hadn't taken D she had taken 19 Ba said he ______ some good marks the semester before A gets B got C had gotten D have got 20 They told their parents that they _____ their best to do the test A try B will try C are trying D would try 21 She asked me where I ______ from A come B coming C to come D came 22 She ______ me whether I like classical music or not A ask B asks C asked D asking 23 He asked me who _____ the editor of that book A was B were C is D has been 24 He wants to know wether I _____ back tomorrow A come B came C will come D would come 25 I wonder why he _____ love his family A doesn't B don't C didn't D hasn't 26 They asked me how many children _________ A if I had B had I C I had D have I GIẢI GIÙM TUI TUI ĐANG CẦN GẤP KO ĐC LM SAI HAY SAO CHÉP NHỚ GIẢI THÍCH GIÙM TUI TẠI SAI BẠN CHỌN ĐÁP ÁN ĐÓ NHA XIN CẢM ƠN

With a population of about 2.6 million people, Vancouver is the largest city in Western Canada. Vancouver is in the southwest of Canada, and it is only a few hours of driving away from the American border. Vancouver is popular because it combines so many things. It is a huge, modern city. On the other hand, it is also one of North America’s most beautiful areas. The natural beauty around Vancouver is famous all around the world. Vancouver is right next to the Rocky Mountains, so it is a wonderful place for skiing and snowboarding. Those aren’t the only winter sports you can do there. If you can name a winter sport, then you probably do that sport in Vancouver. After all, the 2010 Winter Olympics were there. Vancouver is also great for hiking, jogging, and skateboarding. It even has beaches. The beaches aren’t the best in the world, but they are clean and pretty. Another place that you have to visit in Vancouver is Stanley Park. This is a public park that is a stone’s throw from downtown. However, the park is completely surrounded by the Pacific Ocean. The nature in Stanley Park is beautiful. It is close to downtown, but it feels like it is 100 kilometres away. The park also has playgrounds, gardens, beaches, tennis courts, and even an aquarium. Vancouver is something for everybody. It is no wonder that people think it is one of the world’s best cities. 1. What does the passage say about Vancouver’s beaches? A. They are the world’s best beaches. B.They are terrible beaches. C. They are pretty good beaches. D.Nobody goes to those beaches. 2. Which of the following is NOT near Vancouver? A. The Rocky Mountains B.The American border C. The Pacific Ocean D.The Atlantic Ocean 3. What does the sentence “It is close to downtown, but it feds like it is 100 kilometres away” in paragraph 4 mean? A. Stanley Park is 100 kilometres long. B. Stanley Park is close to downtown, but it feels like a very different place. C. Stanley Park is far from downtown, but it feels like it is very close. D. Stanley Park is more than 100 years old. 4. Which of the following is NOT popular in Vancouver? A. football B.winter sports C. skateboarding D.jogging 5. What could replace the phrase “a stone’s throw” in paragraph 4? A. an act of throwing a stone B. a little bit long distance C. moving very quickly D. a short distance. CÓ DẪN CHỨNG RÕ RÀNG, GIẢI NGHĨA CÂU ĐÓ

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(3 mũ 4 . 57- 9 mũ 2 . 21): 3 mũ 5

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