Read the passage then choose the correct answer: It is very important to have healthy teeth. Good teeth helps us to (1)...............our food. They also help us to look(2).................How can we help our teeth healthy? First, we(3)................visit our dentist twice a year. He can fill the small (4)..............in our teeth. Secondly,we should brush our teeth with a toothbrush and toothpaste. Thirdly, we should eat(5)................that are good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red river, raw vegetable and fresh fruit. Chocolates, sweets, biscuits and cakes are(6)................ 1. A. Chew B. Make. C. Do. D. Have 2. A. Nice. B. Important. C. Colorful. D. Need 3. A. Ought to. B. Should. C. Can D. A and B 4. A. Holes. B. Cracks. C. Cavities D. Biscuits 5. A. Food. B. Vegetable. C. Drinks D. Meat 6. A. Good. B. Helpful. C. Useful D. Bad

Read the passage: Recycling is the collection, processing, and reuse of materials that would otherwise be thrown away. Materials ranging from precious metals to broken glass, from old newspapers to plastic spoons, can be recycled. The recycling process reclaims the original material and uses it in new products. In general, using recycled materials to make new products costs less and requires less energy than using new materials. Recycling can also reduce pollution, either by reducing the demand for high-pollution alternatives or by minimizing the amount of pollution produced during the manufacturing process. Recycling decreases the amount of land needed for trash dumps by recycling the volume of discarded waste. A. Write TRUE or FALSE for the following statements. 1. Recycling is the reuse of materials instead of throwing them away: ............. 2. Many materials cannot be recycled: ............. 3. The recycling process causes pollution and costs much money and energy: ............ 4. Recycling can reduce the number of thrown away things into dumps: ............ B. Choose the correct answer (A,B,C or D) for the questions. 5. What can be recycled? A.Newspaper and glass. B.Glass and plastic spoons. C.Spoons, glass and newspapers D.Plastic spoons, glass and newspapers 6. What does the recycling process use in producing new products? A.The original materials B. Plastic materials C. Metal materials D. Paper materials

Use the correct form of the words in parentheses: 1. Clean teeth are............teeth.(health) 2. She remember the...........fish in the aquarium.(color) 3. What...........you...........last Sunday? (do) 4. Nga enjoys...............to music.(listen) 5. He's the president of a large international.................(organize) 6. She decided to learn how..............5 days ago.(sew) 7. Are you scared of.............the dentist? (see) 8. Nha Trang is very............(beauty) 9. He............. thousands of dollars to charity last year.(donate) 10. She............to school yesterday morning.(not to) 11. Eat well, exercise and you will be fit and..............(health)

Choose the correct answer. 1. It is easy............. swimming when we are young. A. To learn. B. Learning C. Learn D. Learnt 2. The dress..............very well A. Fit. B. Fitted. C. Fitting. D. To fit 3. Would you like............to the movies tonight? A. To go. B. Go. C. Went. D. Going 4. "What's the matter, Mình?"-"...................." A. I love it. B. I have a toothache C. You're welcome. D. Oh dear! You were sick

Cho ∆ABC vuông tại A, có AB=3cm, BC=5cm. a) Tính độ dài AC. So sánh các góc của ∆ABC b) Gọi M là trung điểm của AC. Trên tia đối của tia MB lấy điểm D sao cho MB=MD. Chứng minh rằng: ∆ABM=∆CDM. c) Chứng minh 2.BM < AB + BC VẼ HÌNH VÀ GIẢI GIÚP MÌNH VỚI 😭

1. Dựa vào tập bản đồ trang 15, cho biết Bắc Mĩ tiếp giáp với biển và đại dương nào? 2.Dựa vào tập bản đồ trang 15, em hãy kể tên các sông, hồ, đồng bằng ở Bắc Mĩ 3.Dựa vào tập bản đồ trang 16, em hãy kể tên các đồng bằng, sơn nguyên, cao nguyên, dải núi của lục địa Nam Mĩ

Làm gấp giúp mình phần a, b với ạ