Câu 1 : Kiếm ai trả lại rùa vàng? Câu 2 : Súng ai rền ở Vũ Quang thủa nào? Câu 3 : Còn ai đổi mặc hoàng bào?

III: If the phrases in bold is correct, put a tick (√). If it is wrong, write the correct phrase. 1 Paris Hilton is such famous that she gets recognised wherever she goes. ……………………… 2 There were so many customers in the shop that I couldn't move! ………………………… The man spoke such quickly that I couldn't understand a word he said. ……………………… 4 I had so good marks that my dad bought me a new computer! ………………………. 5 Victoria is so old that she can remember seeing a car for the first time. ………………………. 6 There was so a long queue that we decided to go home. ………………………… 7 I've got so a lot of friends that I don't have time to see them all. ………………………… 8 Big Brother was such successful that they're making another series. ………………………

Chứng minh các đa thức sau luôn dương với mọi x,y b) 4x^2-12x+11 c)x^2-x+1 d) x^-2x+y^2+4y+6 MN chỉ mik với đang cần gấp

1 . I'm for (do) nothing till the police arrive. They don't like you (move) anything when a crime has been committed 2. I'm very sorry for (be) late . It was good of you (wait) for me 3. He took to (get up) early and (walk) noisily about the house 4. He decided (put) broken glass on top of his wall (prevent) boys (climb) over it Làm và giải thik hộ mk ạ

Tính khối lượng của a) 0,03 mol NaOH b) 5,6 (l) khí NO2

Tổng của hai số lẻ bằng 884. Tìm hai số đó, biết rằng giữa chúng có 7 số chẵn liên tiếp nữa?

Nêu hiện tượng và viết PTHH a) Dẫn khí CO2 vào dd nước vôi trong dư b) Dẫn từ từ khí CO2 đến dư vào nước vôi trong

Trộn 100 ml dung dịch X gồm NaOH 0,04 M và KOH 0,06 M với 200 ml dung dịch Y chứa H2 SO4 0,05 M và HCL 0,1 M Thu được dung dịch Z. a,xác định pH của dd Z b,để trung hoà ddZ cần dùng hết bao nhiêu ml ddX chứa NaOH 0.1 M và BaOH2 0.2 M Giúp mk giải ct vs ạ^_^

1)Cho V lít (đktc) khí H2 đi qua bột CuO, thu được 32g Cu.Biết phản ứng xảy ra hoàn toàn. Tìm V Ai xong đầu mình cho câu trả lời hay nhất 😚😚😚

1. John tennis once or twice a week. A. is playing usually B. is usually playing C. usually plays D. plays usually 2. Tom his hand when he was cooking dinner. A. burnt B. was burning C. has burnt D. had burnt 3. Jim is away on holiday. He to Spain. A. is gone B. have been C. has been D. was 4. Everything is going well. We any problems so far. A. didn't have B. don't have C. haven't had D. hadn't had 5. Jane just a few minutes ago. A. left B. has left C. leaves D. had left 6. Timson 13 films and I think the latest is the best. A. made B. had made C. has made D. was making 7. Robert lately? A. Did you see B. Have you seen C. Do you see D. Are you seeing 8. When I was a child, I the violin. A. was playing B. am playing C. played D. play 9. He for the national team in 65 matches so far. A. has played B. has been played C. played D. is playing 10. I'm busy at the moment. I on the computer. A. work B. worked C. am working D. working 11. When I looked round the door, the baby quietly. A. is sleeping B. slept C. was sleeping D. were sleeping 12. Robert ill for three weeks. He is still in hospital. A. had been B. has been C. is D. was 13. I'm very tired. I over four hundred miles today. A. drive B. am driving C. have drived D. have driven 14. What time to work this morning? A. did you get B. are you getting C. have you got D. do you get 15. When I this man, he was running away A. see B. was seeing C. saw D. had seen