cho giải thích về vì sao xảy ra hiện tượng sự cháy chậm và cho 1 vài ví dụ chứng tỏ xảy ra sự cháy chậm trong thực tế. Xin cảm ơn

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I. Sử dụng từ trong ngoặc cho đúng thì và hãy trả lời những câu hỏi dưới: Yesterday (be).......... Sunday, Nam (get)...............up at six. He (do) ........... his morning exercises. He (take) ...............a shower, (comb).............. hair, and then he (have) .............. breakfast with his parents. Nam (eat)............ a bowl of noodles and (drink) a glass of milk for his breakfast. After breakfast, he (help) .............. Mom clean the table. After that, he (brush).......... his teeth, (put).......... on clean clothes, and (go)............ to his grandparents' house. He (have) .............. lunch with his grandparents. He (return) to his house at three o'clock. He (do).............. his homework. He (eat).......... dinner at 6. 30. After dinner, his parents (take).......... him to the movie theater. It (be)...............a very interesting film. They (come) .............. back home at 9. 30. Nam (go)................... to bed at ten o'clock. III. Chia động từ trong ngoặc: 1, The Chinese ships (trespass) 80 miles into Vietnamese sea on May 26, 2011. 2, Bill Gate … ……….(not/earn) $ 300 in 2005, he …… ……….(earn) $ 175. 3, I ……… ……….(not/visit) Ha Long Bay last year, because I …… …………(be) busy. 4, Where …… …….you …… ……….(meet) Tom this morning ? 5, The train ………… ……..(leave) the station yesterday afternoon. 6, What … ……Ha ………(do) at 6.30 this morning ? - She ……………..(swim). 7, We …… ……………..(study) unit 18 at this time last week. 8. What were you doing? – I (do)………… my homework. 9, When I …… …………(get) home, they …… …………(watch) TV, they ………………(not/do) their homework. 10, She ……… …………..(listen) to music when the phone …… ………….(ring).