Cho hỗn hợp hai kim loại Fe và Cu tác dụng với khí Clo dư thu được 59,5 g hỗn hợp muối. Cũng lượng hỗn hợp trên cho tác dụng với lượng dư dd HCl 10% thu được 25,4 g một muối. a. Tính % khối lượng mỗi muối trong hoocn hợp thu được. b. Tính thể tích dd HCl 10% (D = 1,0g/ml) cần dùng.

Giải giúp mik bài nài vs. Đề: Bất phương trình x^{2}+2x+m-5 $\geq$ 0 nghiệm đúng với mọi x $\epsilon$ (- $\infty$ ;3] khi m ?

viết một đoạn văn ngăn có sử dụng quan hệ từ. gạch dưới các quan hệ từ trong đoạn văn đó

đặt 2 câu trong đó sự dụng 1 câu đặc biệt 1 câu rút gọn

Dưới đây là một bức tranh và 2 từ gợi ý, các bạn hãy viết một câu tiếng Anh miêu tả bức tranh đó. Từ gợi ý :do/aerobics

26. Shall we go out for dinner? (use How about) _____________________________________________________________________________________ 27. My absence from school yesterday made the teacher angry. (use because of) _____________________________________________________________________________________ 28. It’s interesting to read the books in quiet places. (Gerund) _____________________________________________________________________________________ 29. Mai took a taxi, but she still arrived late for the interview. (use Despite) _____________________________________________________________________________________ 30. We don’t go to school late any more . (use used to) _____________________________________________________________________________________ 31. His favourite food is fried chicken. He _____________________________________________________________________________________ 32. I last saw him two weeks ago. I ________________________________________________________________________________________ 33. They continued to walk in spite of the rain. They went_________________________________________________________________________________ 34. If I were you, I should plant more flowers in the garden. I think ____________________________________________________________________________________

I. Choose the best answer A, B, C or D to complete the following sentences. 1. The kids are more interested ________ watching TV than playing sports. A. on B. of C. in D. at 2. He _________ out with his friends last week. A. is going B. goes C. has gone D. went 3. Jack: “Nowadays robots are helping us a lot in our work.” - Jimmy: “_____________” A. I agree with you. B. I hope not. C. Do you think? D. Do you agree with that? 4. VTV is a__________ television channel in Vietnam. A. wide B. international C. local D. national 5. “____________ talk in the class. We’re having a test.”, the teacher said. A. Doesn’t B. Won’t C. Don’t D. Can’t 6. “_______do you like the Modern English programme?” - “Because it helps me with my English.” A. What B. How C. When D. Why 7. There is a ____________ near my house, so I can go swimming very often. A. swimming suit B. swimming pool C. swimming glasses D. swimming hat 8. People in Japan are very polite _________ friendly. A. yet B. and C. but D. or 9. If I have a terrible headache, I_________ some medicines. A. am taking B. will take C. take D. would take 10. There are many different ways to___________ pollution. A. redo B. reuse C. reduce D. recycle II. Put the verbs in brackets in the correct form. 1. We (not, see) _______________ Lan since 2010. 2. Be careful! The teacher (look) _________________ at you. 3. People might (travel) _____________ to the Moon one day. 4. What__________ you (have) ___________ in your future house? 5. Jack is good at (repair) ______________ the household appliances. PART C. READING I. Read the following passage and put a word in the box in each of the numbered blanks. can - house - big - surrounded- in My dream is to live in a (1) _______ detached house. It will be (2) _______ by a big garden full of flowers and trees. I don’t like to live (3) _______ an apartment with blocks of flats. My dream house should be located outside the city where I (4) _______ find true peace and happiness. Therefore, my (5) _______ should have the things that shows my spiritual world and personality. 1.______________ 2.______________ 3.______________ 4.______________ 5.______________ II. Choose the correct word A, B, C or D for each gap to complete the following passage. Most children love (1) _______ activities. They play (2) ________, go skateboarding or go fishing. In countries with snow like Sweden, children go to the mountains with their parents to go (3) ________. They can make (4) ________ snowman in the playground in front of their house. When the weather is bad, they can stay at home and (5) ________ interesting programmes on TV. 1. A. outdoor B. indoor C. outdoors D. indoors 2. A. karate B. aerobics C. judo D. football 3. A. shopping B. skiing C. jogging D. running 4. A. any B. a C. an D. some 5. A. make B. tell C. watch D. play III. Read the passage and do the following tasks below. David lives in the countryside in Canada. He usually gets up early and does morning exercise with his bike. He rides around his area. After breakfast, he takes a bus to school. He has lessons from 9.00 am to 1.00 pm. He often has lunch in the school canteen and then he has a short rest. In the afternoon, he has lessons in the library or PE in the gym. After school, he often goes to the sports centre near his house and plays basketball or table tennis. In the evening, he often does his homework. He often goes to bed early. A. Write (T) for true or (F) for false statement Statements True False 1. David doesn’t live in the city in Canada. 2. He never gets up early in the morning. B. Answer the following questions 1. How does he go to school? ____________________________________________________________________________ 2. Does he have a long rest? ____________________________________________________________________________ 3. What sports does he play after school? ____________________________________________________________________________ mk hết điểm rồi mong các bạn thông cảm

Cho tình huống sau: Trong lớp học A và B ngồi cạnh nhau, A bị ho, sổ mũi nhiều, mỗi lần hắt hơi, A đều lấy giấy ăn che, xong vứt luôn xuống dưới chân mình. B ngồi cạnh sợ bị lây liền ra nhà vệ sinh rửa tay và rửa đi rửa lại nhiều lần. Mỗi lần rửa tay, B lấy rất nhiều xà phòng vì nghĩ dùng nhiều xà phòng sẽ diệt được vi khuẩn. a. Theo em, các bạn trong tình huống làm như vậy là đúng hay sai? Vì Sao? b. Nếu là bạn của A và B thì em sẽ nhắc 2 bạn cái gì??? Làm giúp mình nha!!!

III/ Give the correct form of word: 11. The team played very........ (disappoint) 12. Smoking can cause....... (respire) diseases. 13. The air in the city is very...... .( pollute) 14. Please listen to the lecture..... ( care ) 15. He is going to...... alls the bags (collection ) 16. She has...... provided a picnic lunch for us( kind ) 17. We'll make the beach clean and.....again. (beauty ) 18. If the....continues, what will happen (pollute ) 19. He was..... that they were not coming. (disappoint) 20. A large number of inhabitants have made...... on how to protect the environment. (suggest) 21. There is a..... faucet in your chicken (drip) 22. We can protect the environment by....... air pollution. ( reduction )

số học sinh khá và giỏi của trường tiểu học trâng phú là 654 cm chiếm 75 phần trăm số học sinh toàn trường vậy trường tiểu học trần phú có bao nhiêu học sinh