Vẽ sơ đồ tư duy về trình tự lập luận( luận điểm, luận cứ, dẫn chứng và lí lẽ) của bài đức tính giản dị của Bác Hồ.
Viết chương trình in ra các số lẻ nhỏ hơn hoặc bằng n (với n được nhập vào từ bàn phím)
Bài 1: Gỗ, tre, giấy, dầu hỏa, cồn, nến, gạo chứa chủ yếu là các chất hữu cơ. a) Các sản phẩm trên có cháy không? b) Sản phẩm thu được khi đốt cháy chúng có điểm gì chung? Bài 2: Hãy viết công thức cấu tạo có thể có ứng với mỗi công thức phân tử sau: C 4 H 8, C 3 H 7 Cl, CH 4 O. Biết clo hóa trị I. Bài 3:Hợp chất hữu cơ A chứa các nguyên tố C, H, O. Trong đó thành phần % khối lượng của cacbon là 60% và hiđro là 13,33%. Xác định công thức phân tử của A, biết khối lượng mol phân tử của A là 60 gam/mol. Bài 4: Phân tử hợp chất hữu cơ A có hai nguyên tố. Đốt cháy hoàn toàn 2,2 g chất A thu được 6,6 g khí CO 2 và 3,6 g H 2 O. Hãy xác định công thức phân tử của A biết khối lượng mol của A là 44 gam/mol.
Em hiểu thế nào là chủ nghĩa tư bản được xác lập trên phạm vi thế giới Nó tác động đến sự phát triển kinh tế như thế nào gây ra những hệ lụy gì
I. Choose the best answer by circling A, B, C or D: 1. What are you doing with all that ingredients, Giang? - I am trying my best to…………..a kind of traditional food. A. cook B. play C. lend D. agree 2. Mozart was one of the famous……………….of classical music. A. actors B. composers C. artists D. makers 3. His daughter wants to become a well-known……….but she has no talent at all. A. act B. actor C. actress D. action 4. I haven’t got…….bread left for lunch A. a B. an C. some D. any 5.- I don’t like the newest song of Son Tung - I don’t like it ,………….. A. too B. so C. either D. neither 6. Turn the TV off. The show is………………… A. exciting B. peaceful C. tiring D. boring 7. I do not have …….oranges, but I have ….apples. A. any/ any B. some / any C. any / some D. any / somes 8. Mozart was one of the famous……………….of classical music. A. actors B. composers C. artists D. makers 9. His daughter wants to become a well-known……….but she has no talent at all. A. act B. actor C. actress D. action 10. ……….beer is there in the fridge? A. How often B. How many C. How much D. How far 11. Last year, Phuc participated in …..funds for street children. A. raising B. making C. gathering D. taking II. Complete these sentences using the provided words: 1. My hobby / collect glass bottles. → ___________________________________________________ 2. I / start / my hobby / when / twelve / years old. → __________________________________________________________ 3. I often / share / my hobby / my mother. → ______________________________________________________ 4. I / feel / happy / when / look at / beautiful flower vases made from them. → ______________________________________________________ 5. I / continue / my hobby / future / because / it / help save the environment. → ________________________________________________________ 6.Tuan / find / play / table tennis / interesting / because / he / can / play / best friends. → _________________________________________________________ 7.They / visited / Ho Chi Minh City / so far. → ____________________________________________________________ 8.Lan / like / talk / to / her friends / her free time. → _______________________________________________________________
• HS nêu 1 số trường hợp thực phẩm bị vi khuẩn có hại xâm nhập:
ANH 7 Question I. Find the word which has different sound in the part underlined. 1. A. teenager B. together C. guess D. regular 2. A. game B. arrange C. skate D. cake 3. A. horrible B. hour C. hundred D. hold 4. A. much B. drug C. future D. buffalo 5. A. serious B. symptom C. sugar D. sauce Question II: Choose the best option to complete the following sentences. 1. I have known her………………..two years. A. with B. for C. since D. in 2. He ......... many old books for 5 years. A. recycled B. is recycling C. has recycled D. will recycle 3. To prepare for the new year, I .................. my house again since last month . A. paint B. painted C. have painted D. has painted 4. They ………..the used plastic bottles with water several times yesterday. A. washed B. is washed C. are washed D. were washed 5. It is dangerous ............. quickly. A. driving B. drove C. to drive D. driven 6. I like ……………………..to my friends in my free time. A. talk B. talking C. talked D. to talking Question III. Give the correct form of the following verbs: 1. My dad enjoys ____________ his bike to work. (ride) 2. She ___________ out with her friends last night. (go) 3. I__________ in Thanh Hoa since 1993. (live) 4. He usually___________ a lot of beautiful photos. ( take) Question IV. Fill in the blank with ONE correct word from the list for / sometimes/ play/ swimming Nick has a lot of hobbies. He plays chess at school . After dinner, he goes(1)…………..a walk and he listens to music every evening in his room.Nick loves sports. He plays football after school. On Saturdays, Nick and his friends go (2)…………………. On Sundays, they (3)………….. basketball in the park. On Sunday evenings, they (4)………………..watch a film. Question V. Read the passage and answer the questions Everyone suffers from the common cold at some time or other. It isn’t a serious illness but people spend a lot of money on medicine. The medicine can only relieve the symptoms. That is, it can make you cough less, make you feel better, and stop your nose running for a while. So far, there is no cure for the common cold and no medicine to prevent it. People also drink a lot of hot water with sugar, lemon juice. It helps provide them with a lot of vitamin C. 1. Is common cold a serious illness?.......................................................................... 2.What can the medicine help with the common cold? ............................................................................................................................ 3.Why is hot water with sugar and lemon juice useful? ……………………………………………………………………………………. Question VI. Finish each of the following sentences as direction. Question 1: Her book is not the same as mine. (different from) Her book is………………………………………………………………….. Question 2 :. She doesn’t love to play the violin,he doesn’t love to play the violin (neither) She doesn’t love……………………………………………………… Question 3: The listening exercise is more difficult than the reading exercise.(not as………..as) The reading exercise ………………………………………
Lần cuối nhé ._. ! Vẽ tự do ;-;;;
các bạn ơi giúp mình với mình cần gấp
Có bao nhiêu giá trị nguyên của tham số m để hàm số y= √ x2−2mx−2m+3 có tập xác định là R
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến