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huong74pstw
2 năm trước
Một bình chứa hỗn hợp khí X gồm 0,8g H2 ; 2,24 lít khí N2 và 5,6 lít khí CO2 (ở đktc). Tổng số mol các khí trong hỗn hợp khí X là
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V/ Match the question in column A with the answer in column B a, A B Answers 1. What’s the matter with you, Mai? 2. I’m thirsty. 3. When did you move to town, Lien? 4. Minh is going to see a dentist 5.Did you buy any souvenirs? 6.How do you play soccer? 7.What would you like to see this week? 8.What did you do yesterday? a.He has a toothache. b. I have a headache. c. I’d like a cold drink. d. Five months ago. e.I went to school. f.A cowboy on VTV3 g.Very well h.Yes, I bought a lot of gifts 1 ______ 2 ______ 3 ______ 4 ______ 5 ______ 6 ______ 7 ______ 8 ______ b, A B Answers 1. Come and play basketball. 2. Lan has healthy teeth. 3. Would you like to go swimming? 4. Nam went camping. 5.Where were you last week? 6. I don’t like beef and_____ 7.What kinds of programs do you like on TV? 8.How often do you play sports? a.But Minh didn’t. b. I’m sorry . I don’t think I can c. She often brushes her teeth after meals. d. I’d love to. e.neither does she. f.I was on holiday. g.I like cartoon and sports shows. h.Very often 1 ______ 2 ______ 3 ______ 4 ______ 5 ______ 6 ______ 7 ______ 8 ______ VI.Fill the words in the table in the gaps: A happy medical called temperature questions filled Yesterday , Hoa had a (1) _____________ check-up in the hospital. She(2) ____________ in her medical record and waited in the waiting room. After a few minutes, the nurse (3)____________ Hoa’s name and took her to the doctor’s office. The doctor asked Hoa a few(4)_______________ Then he weighed Hoa and mesured her height. After that, he took Hoa’s(5)__________________. Next, he checked Hoa’s eyes and ears. Everything was normal. Hoa felt very(6)______________. Went- stopped- didn’t- neither – good- wanted- favorite- some- bought- liked- vegetable B Yesterday , Hoa and her aunt (0)went to the market. First, they went to the meat stall. There was a (1)__________ selection of meat on the stall : chicken, pork and beef. At the meat stall, Hoe didn’t like pork, chichen and(2)_____________ did her aunt. So they (3)__________ some beef. Next they went to the (4)_________________ stall. There was a wide selection of vegetables on display. Hoa (5)____________ some peas and carrots but her aunt (6)_______________. Hoa and her aunt (7)_____________ spinach and cucumbers. They are their (8)______________ vegetables. Finally they (9)_________________ at a fruit stall. They bought (10)____________ oranges. Life- evening –sit- popular- families – today B, In the 1960s, most (1)_______________ in Viet Nam did not have a TV set. People with TVS were (2)______________. In the (3)________________ , the neighbors would (4)______________ around the TV. They would stay until the TV programs finished. Viet Nam is different (5)________________. More families have a TV set and (6)____________ is more comfortable. But neighbors don’t spend each other as well as they did in the past. Spend- as – very - dizzy – arcades- too – young- must D. Millions of (1)____________ people play video games. Some play at home. Others play them in (2)____________. The inventors of the games became very rich. Some of the inventors are (3)__________ young as 14 or 15.These games are very good fun, but players (4)___________ be careful. They should not (5)____________ much time on these games because they can be addictive and tired or (6)___________. Sometimes, players spend (7)_____________much their own time because they like playing video games(8)_________ much. What – stay- variety- must- affects – balanced- moderation- but E. We know that the food we eat(1)_____________ our whole life, so we (2)_____________ remember to eat sensibly. We should have a (3)____________ diet. (4)_____________does a balanced diet mean? It means you eat a (5)______________ of foods without eating too much of anything. (6)_____________ is very important. Eat the food you enjoy , (7)____________ don’t have too much. This will help you (8)__________ fit and healthy.

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