Khi đốt cháy hoàn toàn 2,2 g chất hữu cơ X đơn chức thu được 2,24l CO2 và 1,8g nước. Nếu cho 2,2g hợp chất X tác dụng với NaOH vừa đủ đến khi phản ứng hoàn toàn thu được 2,4g muối của axit hữu cơ và chất hữu cơ Z. Tìm X

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B. Make all changes and additions necessary from the following words and phrases to complete the sentences of a passage about the benefits of cycling: (1,5ms) 1. Along / jogging and swimming / cycling / be / all-round form / exercises ................................................................................................... 2. It can help you / increase / strength and energy / give / you / strong heart ............................................................................................................ 3. But / it / not / only advantage / cycling ................................................................................................................ 4. It / good exercise / people / painful feet or backs ............................................................................................ 5. However / it / important / start slowly / and build / gently ............................................................................................. 6. Doing too much / too quick / can do / damage / muscles ........................................................................................ 7. You have / doubts / take / cycling / health reasons? .......................................................................................................... 8. You / talk / your doctor / and ask / his or her advice ......................................................................................................... 9. Follow / your doctor / advice / strict / and you / have / good result ............................................................................................................. 10. If you start / cycle now / you / be / forever fit .................................................................. Giúp mình nha. Hứa cảm ơn + 5 sao !!!!