Giup mình với nha mng thanks ạ: Câu 6:Thả một miếng đồng ở nhiệt độ 90 0C. vào 2 lít nước ở 200C. Tính khối lượng của miếng đồng? Biết nhiệt độ khi cân bằng nhiệt là 220C. Cho nhiệt dung riêng của đồng là 380 J/ kg.K và của nước là 4200 J/ kg.K

Một doanh nghiệp kinh doanh năm 2021 bán đc 10.000 sản phẩm thu được 100.000.000 đồng .dự đoán năm 2021 sẽ giảm 20% nhu cầu dữ trữ thêm khoảng 10% mức bán kế hoạch ,tiền công 30% mua hàng , thuế 10% mua hàng . Mỗi năm một lao động phải hoàn thành 1000 sản phẩm , trung bình mỗi tháng doanh nghiệp sản xuất đc 5000 sản phẩm . Hay xác định kế hoạch kinh doanh cho doanh nghiệp trong năm 2021? Giúp e

Câu 1.Viết chương trình sử dụng câu điều kiện Nhập vào 1 số nguyên a kiểm tra xem số đó là số dương hay số âm Câu2. Viết chương trình tính tổng của dãy số sau : A=1+2+3+4.....+100

Giúp mik vs ạ mik cần gấp Cảm ơn bạn trc

có mấy loại điệntích nêu quy uocscuar điện tích

trên Biển Đông có 2 hướng gió thổi chính là

Mn giúp mh vs 20 phút nữa mh nộp bài r

ai biết vẽ biểu đồ này ko ạ em cảm ơn Chỉ vẽ biểu đồ thôi ạ

Câu 26: Thời nhà Hán, ngoài việc bắt dân ta công nộp những sản vật quý hiếm, chúng còn bắt dân ta cống nộp:

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part from the other three in pronunciation in the following question. 1. A. talked B. watched C. lived D. stopped 2. A. flood B. moon C. food D. soon 3. A. houses B. clothes C. matches D. stages Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in the following question. 4. A. engineer B. corporate C. difficult D. different 5. A. popular B. position C. horrible D. positive Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in the following question. 6. Mr. Smith is going to buy a new Japanese car, doesn’t he? A B C D 7. One of the most urgent problem, facing us now is the need to control population growth. A B C D 8. If I were you, I didn’t buy that expensive car. A B C D 9. Dr. Fields received so large bill when he checked out of the hotel that he did not have A B C enough money to pay for a taxi to the airport. D 10. None two butterflies have exactly the same design on their wings. A Β C D Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following question. 11. Frank never turns up on time for a meeting. A.calls B.arrives C.reports D.prepares Mark the letter A, B, C, or D on your answer sheet to indicate the word OPPOSITE in meaning to the underlined word in each of the following question. 12. He was so insubordinate that he lost his job within a week. A. fresh B. disobedient C. obedient D. understanding Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 13. Nobody went to the party, ………..? A. does he B. do they C. didn’t they D. did they 14. Is English a(n) ………… language in your country? A. mother B. bilingual C. living D. official 15. She turned ……..the new job in New York because she didn’t want to move. A. on B. off C. Up D. down 16. One of my friends ……….. is very good at English gives me his tips to learn English well. A. What B. who C. which D. whom 17: I wish I …………. my homework last night. A. had finished B. finished C. have finished D. finish 18. Her teacher suggested she ………. harder to pass the exam. A. studies B. Studying C. study D. to study 19. This laptop is much more user-friendly, but it costs…...the other one. A. as many as B. twice as much as C. twice as many D. so much as 20. ……….. she’s young, she’s the most famous artsan in the village. A. When B. Although C. Whereas D. In order to 21. I still can’t believe it! My bicycle _________________last night. A. was stolen B. was stealing C. stolen D. stole 22. That necklace is wonderful! It must have _______ you a fortune! A. done B. spent C. charged D. cost 23. We had a long way to go so we _______ off very early. A. made B. set C. put D. turn 24. They said my illness was ______________. Don’t they realize I’m in alot of pain. A. imaginary B. imagination C. imagine D. imaginative 25. If I were a flower, I …………..a sunflower. A. was B. were C. will be D. would be 26. The cost ________ living in Singapore is higher than any countries in South East Asia. A. for B. on C. of D. in 27. After they _________ their breakfast, they _________ shopping yesterday. A. have/go B. had had/go C. had/had gone D. had had/went 28. When Jack __________ me, I __________ a letter. A. phoned/ has been writing B. has phoned/ was writing C. phoned/ was writing D. was phoning/ wrote 29. You have to pass the examination.......you want to attend the course. A. if B. or C. in order to D. so 30. She suggested.......to music. A. listen B. listening C. to listen D. listened 31. Your friends won’t be here for long, .......? A. do they B. won’t they C. would they D. will they GIÚP VS Ạ