Hãy cho biết những phát biểu về sự thay đổi nồng độ các chất trong máu sau bữa ăn sau đây là đúng hay sai (CÓ GIẢI THÍCH) (1) Hàm lượng CCK tăng lên (2) Hàm lượng lipit máu ở tĩnh mạch cửa gan tăng lên (3) Hàm lượng ghrelin giảm xuống (4) Hàm lượng leptin tăng lên

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I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting. 1. My sister is very seriously and hard-working in her study. A B C D 2. Ride a bike at the weekend is my best friend's hobby. A B C D 3. She is very cared, so she always helps her mother do the housework. A B C D 4. My friend has a short brown hair and an oval face. A B C D 5. Because Nga is very keen on the school's singing competition, she is taking part A B C on it tomorrow. D 6. I have an important maths exam tomorrow afternoon, so I do a lot of maths A B C exercises at home this evening. D 7. We have a lot of assignments to do. Therefore, we are going to the cinema A B C with you tonight. D 8. I have new pencil, a pencil sharpener and a pencil case. A B C D 9. The painting competition will start at his school on the 17th of October. A B C D 10. She usually plays the piano every Monday evening, but today she watch cartoons A B C D with her younger sister. 11. There are a table, four chairs, two pictures and a vase in the living room. A B C D 12. There aren't a lot of posters in the wall in his bedroom. A B C D 13. My dog has a long tail, big eyes and a yellow fur. A B C D 14. She has a birthday party with a big birthday cake and a lot of candles at home A B C D at present. 15. She is short hair and big eyes A B C D 16. My new friend, Zoe, is very friend and helpful A B C D 17. Tomorrow, John and I is playing basketball with our team A B C D 18. This student are very smart, studious and well-behaved A B C D 19. My mother have an oval face and lovely smile A B C D 20.Would you like going to the movies tonight? A B C D II. There is one mistake in each sentence. Find and correct it. 1. I live in a apartment on Nguyen Trai Street.______________ 2. Listen! Someone knocks at the door.______________ 3. What do you doing tomorrow?______________ 4. There is some new furnitures in the living room.______________ 5. My mother have short curly hair and big blue eyes.______________ 6. He drives very careless and often causes accidents.______________ 7. John usually go shopping with his mother.______________ 8. There is many books on her bookshelves.______________ 9. Would you like drinking tea or coffee?______________ 10. Why don’t you has dinner with us?______________