user-avatar
trieudang
2 năm trước
Bài 1: Thành phần chính của 1 loại quặng sắt là Fe3O4 (Oxit sắt từ) a) Tính phân tử khối của Fe3O4 b) Tính số mol của 116g Fe3O4 c) Tính phần trăm theo khối lượng của các nguyên tố Fe và O trong Fe3O4 d) Trong 348g Fe3O4 có bao nhiêu gam Fe, bao nhiêu gam Oxi
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

: Đọc văn bản sau và trả lời câu hỏi: “Ngày hôm sau, ồn ào trên bến đỗ Khắp dân làng tấp nập đón ghe về. “Nhờ ơn trời biển lặng cá đầy ghe”, Những con cá tươi ngon thân bạc trắng. Dân chài lưới làn da ngắm rám nắng, Cả thân hình nồng thở vị xa xăm; Chiếc thuyền im bến mỏi trở về nằm Nghe chất muối thấm dần trong thớ vỏ”. ( Ngữ Văn 8, tập hai, NXB Giáo dục Việt Nam, 2018) Câu 1: Đoạn thơ trên trích trong bài thơ nào? Tác giả là ai? (1 điểm) Câu 2: Trong niềm vui và thắng lợi của thuyền về bến, ta nghe câu nói của người dân chài “Nhờ ơn trời biển lặng cá đầy ghe”. Tại sao câu nói cửa miệng của người dân chài lại là như vậy? (1.0 điểm). Câu 3: Chỉ ra và nêu tác dụng của biện pháp tu từ được sử dụng trong hai câu thơ sau: (2.0 điểm) Chiếc thuyền im bến mỏi trở về nằm Nghe chất muối thấm dần trong thớ vỏ Câu 4: Xét về mặt cấu tạo, câu thơ in đậm trong đoạn trích trên thuộc kiểu câu gì? Nó thực hiện hành động nói nào? (1.0 điể

Exercise 1: Find one choice that best completes the sentences: 1.John asked me ...................... in English. a. what does this word mean b. what that word means c. what did this word mean d. what that word meant 2. The mother told her son ................ impolitely . a. not behave b. not to behave c. not behaving d. did not behave 3. The guest told the host that ...................... a.I must go now b. he must go now c. he had to go now d. he had to go then 4. The teacher told Joe ................... a. to stop talking b. stop talking c. stops talking d. stopped talking 5. She said she ........................ a. was very tired last night b. was very tired the night before c. had been very tired last night d. had been tired the night before Exercise 2: Rewrite each sentences, using Reported Speech : 1- “I will go to China next year.” Minh said. 2- Lan said, “I like learning English.” 3- Peter said to me, “I will go to the movies with you.” 4- Miss Nga said, “I love these sunflowers.” 5- Tom said to her, “I can’t help to you to do this test.” 6- They said, “We are doing the exercises now.” 7- Daisy’s father said to her, “I will give you a new bike.” 8- They said to him, “It is raining, so we can’t go out for a walk.” 9- Tom said, “I must leave now.” 10- She said, “I won’t buy this car because it is very old.” 11- Ngan told Mai, “ Don’t feed the chickens.” 12- The policeman said, “ Please show me your driving licence.” 13- “Don’t touch this button or you’ll get an electric shock”,the man said to me 14- “ Bring the stick here, Lucy” Hoa said. 15- “ Don’t talk in class” the teacher told us.

II/Fill in the gaps with suitable prepositions 1. ……….. summer I play tennis …………..the evening. 2. We always go ……… the city center…… our own car. 3. I’d like to stay …… home tonight. Is there anything interesting ….T.V? 4. John is often late ………. school. But I never. 5. Let’s listen ………… music ……….. the radio. 6. I’m going ……….. New York …………. my vacation next week. I’m going to stay………the Park Plaza Hotel for 2 days. 7. What………. going ………… the zoo this Sunday. 8. What…….. breakfast? 9. I don’t think it’s much cheaper to go …………. bus. 10. I’m looking …….. chocolates. 11. She wants a sandwich and a glass ………. lemon juice III/Use some / any 1. I’m hungry. Do we have ………… bread?- I think there is ……….in the fridge. 2. What would you like? – I’d like ……….. fish and rice. 3. Oh, i can smell …………. noodles at a store near here. Let’s go there and have………… 4. Are there ………… letters for me this morning? 5. There isn’t ………. coffee left. You should go out and buy ……………. 6. Can I have ……………….. tea, please? 7. I have ……… friends. Do we have …….. beer in the fridge? 8. I like ………….. fruit with my lunch. 9. I want to make………… sandwiches but I don’t have………… bread. 10. Are there ………… oranges and bananas? 11. There aren’t ……… pictures in the album. 12. Do you have ………. brothers and sisters? 13. Mr. Brown doesn’t have …….. children. IV/Use a few / a little / a lot 1. He doesn’t speak much English. Only ……. words. 2. Hurry up! we’ve got ……… time. 3. There is ………. rain in deserts. 4. There are ….. eggs in the kitchen. 5. Their cows produce a…….. of milk. 6.The teacher gives …….. of homework. 7. We have …….. books on the bookshelf. 8. He’s rather fat so he drink …. milk. 9. Would you like some more sugar? – Yes, please, just….. V/Correct mistakes 1. What would you like buying at the canteen? 2. Mr. Minh rides his bike to work at the moment. 3. I don’t have some oranges, but I have some bananas 4. How many homework does Lien have today? 5. I would a tube of chocolates. 6. There are some orange juice and some milk to drink. 7. I’m the younger person in my family. 8. My brother is busyer than I am. 9. Hanoi have population of 2.6 million. 10. London is smallest than Mexico city. 11. She is my friend. She’s from French. 12. Which season is coldest in your country? 13. We are going shopping at Friday. 14. Are you going to your English class this tonight? 15. Let’s to go to the beach and have a good time here. 16. Are you going visit a friend this week? 17. What are you going do there? 18. What about to go to the movies? 19. Why we don’t go to his uncle’s farm? 20. . She don’t want to go to HCM city. VI/ Rewrite the following sentences 6.My room is smaller than your room. - Your room 7. No house on the street is old than this house. - This house 8. Quang is 1.75 meters tall. Vinh is 1.65 tall - Vinh 9. Ha is the fattest girl in my class. - No girl 10. What is the height of that building? - How 11. What about going for a swim? - Why 12. Coffee is her favorite drink - She 13. Minh walks to school everyday please help me!!!

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team