Bài 2: Lúc 8h hai xe ô tô cùng khởi hành từ hai địa điểm A và B cách nhau 96 km và đi ngược chiều nhau. Vận tốc của xe đi từ A là 72 km/h và của xe đi từ B là 54 km/h. a) Lập phương trình chuyển động của hai xe trên cùng một trục toạ độ? Vẽ giúp mình b) Xác định vị trí và thời điểm lúc hai xe gặp nhau? c) Tìm vị trí của hai xe và khoảng cách giữa chúng lúc 9h?

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Revision I. Read and complete My family lives near a small school. There are four ……..(1) in it. My parents, sister and me. I am the youngest member. My father is a worker in the factory, He works such as an engineer. He ……..(2) up early in the morning. First he brushes his teeth and ………(3) his face. Then he has a bread ………..(4) breakfast. His work starts from7.00 am to 4.00 pm so He comes ………..(5) home very early. In the evening He stays at home , watches TV and goes to bed at 10.00 pm. And My mother is an English teacher at Hung Ha town. My parents are very young. My sister is a student …..(6) Minh Khai primary school. She is thirteen years old. She is in her classroom. She is studying Arts subject. She can draw many pictures. They are very beautiful. She likes Arts the most because she wants to be an artis. I am a student too, I like ……..(7) football, go fishing, go camping and go wsimming in summer. Last year my family went to Ho Chi Minh city to visit our uncles and ants. They …….(8) many photoes with my family. I bought a lot of souvernirs ……..(9) my friends. Now I am in my class I am learning English because tomorrow my school is holding the English language Festival. All the teachers and students are going to ……(10) beautiful school uniforms. We are going to have a good time. 1. a. members b. member c. personal d. peoples 2. a. wake b. waked c. wakes d. got 3. a. wash b. washes c. washed d. is washing 4. a. about b. with c. to d. for 5. a. out b. 0 c. back d. in 6. a. at b. in c. on d. of 7. a. to play b. play c. played d. playing 8. a. took b. take c. takes d. are going to take 9. a. to b. for c. about d. of 10. a. the b. with c. a d. wear II. Complete the sentences 1. How / weather / yesterday? ………………………………………………………………………………… 2. Why / aren’t / you / train? ………………………………………………………………………………… 3. He / going / home / of / souvernirs. ………………………………………………………………………………… 4. How far / it / there / HaNoi? ………………………………………………………………………………… 5. Is / he / the museum / the zoo? ………………………………………………………………………………… 6. My brother / not / post office / tomorrow. ………………………………………………………………………………… 7. Did / to bed / 7.00 pm? No, She / not. …………………………………………………………………………………