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Thai2k
2 năm trước
TD 5: cho 4 lít N2 và 14 lít H2 vào bình kín rồi nung nóng với xúc tác thích hợp để phản ứng xảy ra , sau phản ứng thu được 16,4 lít hỗn hợp khí ( các khí đo ở cùng đều kiện về nhiệt độ và áp suất) a. Tính thể tích khí amoniac thu được b. Xác định hiệu suất của phản ứng.
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IV. Reading Read the passage and answer the questions below: Yoga originates in India and it is good for both your body and mind. Anyone can do yoga – women or men, adults or children. Special children’s classes are devised to help them to cope with pressures they feel from their schoolwork. By learning how to co-ordinate breathing and movement, yoga helps them to develop body awareness, self-control, and flexibility. Taking up yoga also helps them to focus and become better with daily routines. Start doing yoga by setting aside a regular time for it. Go slowly, listen to your body and don’t push it too far as yoga is not a competitive sport. Study each pose and practise it as you control your body and mind. Prepare well before each session: avoid tight clothing and a full stomach. An idea time to go yoga is before breakfast. True or False (1m) 1. ____ If your body says “stop”, you should stop and don’t push it. 2. ____ The best time for doing yoga is the first thing in the morning. Answer the questions (1m) 1. Why do people want to do yoga nowadays? _________________________________________________________________________________ 2. Is yoga a competitive sport? _______________________________________________________ V. Writing A. Rewrite the following sentences beginning as shown or do as directed in brackets (1m) 1. shouldn’t/ films/ time/ on/ You/ much/ spend/ watching (Write a complete sentence) _________________________________________________________________________________ 2. As usual, we stay up at 9 o’clock. On Saturday night, we may stay up at 10 o’clock (late) On Saturday night, we may stay up ____________________________________________________ 3. My mom doesn’t mind ______________________. (Complete the sentence using your own ideas) _________________________________________________________________________________

14. It’s a nice day, so you have decided to take a walk. Just before you go, you tell your friend. YOU: The weather’s too nice to stay in. ……………………………………………...... a walk. (I/take) FRIEND: Good idea! I think …….…………………………………………………………... you (I / join) 15. Your friend is worried because she has lost her driving license. YOU: Don’t worry. I’m sure…….…………………………………………………………... it (you / find) FRIEND: I hope so. 16. There was a job advertised in the paper recently. At first you were interested, but then you decided not to apply. FRIEND: Have you decided what to do about that job you were interested in? YOU: Yes…….…………………………………………………………... for it. (I / not / apply) 17. You and a friend are stuck in traffic. You have to be in a meeting in five minutes and you need at least another 20 minutes to get there. YOU: The meeting begins in five minutes. …….………………………………………………….. (we / be late) 18. Ann and Sam are staying at a hotel. Their room is in very bad condition, especially the ceiling. ANN: The ceiling doesn’t look very safe, does it? SAM: No, it looks as if…...….…………………………………………………………... (it / fall down) 19. Paul has to go to the airport to catch a plane tomorrow morning. PAUL: Kate, I need somebody to take me to the airport tomorrow morning. KATE: That’s no problem …….…………………………………………………………... you (I / take). What time is your flight? PAUL: 10.30. KATE: OK, …….…………………………………………………………... you up at your house at about 8 o’clock then. (I / pick) Later that day, Joe offers to take Paul to the airport. JOE: Paul, do you want me to take you to the airport? PAUL: No thanks, Joe....…………………………………………………………. me. (Kate / take)

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