100cm3 hỗn hợp X gồm anlen, ankan và hydro đi qua Ni, đốt cháy thu được 70cm3 hydrocacbon duy nhất Đốt cháy 100 cm3 hh X thu được 140 cm3 CO2. Biết anken và ankan trên có cùng số nguyên tử C. Tìm CTCT của ankan, anken và % thể tích mỗi chất trong hỗn hợp X

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help mee =(( IV. Give the correct form of the word in bracket: 1. That's the ____________ thing I've ever heard. (fun) 2. He laughed at their _______________. (stupid) 3. This is a romantic _______________. (comedian) 4. Xuan Bac is a famous __________ in Vietnam. (comedy) 5. How much does it cost to _______________ a child privately? (educational) 6. Watching television can be very _____________. (educate) 7. The aim of the series is both to _____________ and inform. (entertain) 8. 'Friends' is an _____________ film. (entertainment) 9. Dan Le is my favorite ______________. (weather) 10. The game show 'Who's a millionaire' is very ___________. (famous) V. Fill in each blank with one suitable word: There (1) _________ a lot of cable television channel today. People also produce numerous interesting program to entertain people. The (2)___________ program tells us what is happening around the world. The (3)_________ makes us laugh and relax after long working hours. The (4)__________ has cute character. Some program can (5)_________ educate and entertain young children such as 'Let's Learn (6)_________ VTV2. My (7)________ program is the game show 'Who's a millionaire?'. My favorite (8)________ is Xuan Bac. He is very (9)_________ VIII. VI.Make questions for the underlined part: 1. There are 40 students in my classroom. 2. My brother is studying in his bedroom. 3. My family usually goes to Da Lat on summer vacation. 4. Her children often go to the club by bike. 5. My favorite singer is David Archuleta. 6. The show lasts two hours and a half VII. Rewrite the sentences: 1. There are a lot of interesting programs on VTV 3 → VTV 3 2. My class has 34 students. → 3. My favorite cartoon on TV is 'Tom and Jerry' → I like 4. I enjoy watching TV. (interested) → 5. Duong is better than anyone in the class. → Duong is the 6. Minh is taller than Huong. (as) → Huong is