Kể về một việc em đã làm để bảo vệ môi trường.

mn làm giúp em từ câu d đến câu h với ạ em cảm ơn nhìu ạ

làm cho emm câu 7 thôi ạ ko nhiều đâu nhanh nha

Một ca nô xuôi dòng từ A đến B rồi lại ngược dòng từ B về A với vận tốc bằng 45km/giờ. Tính quãng đường AB biết vận tốc dòng nước bằng 5km/giờ và thời gian ngược dòng nhiều hơn thời gian xuôi dòng là 24 phút.

calli : khôn còn nhóm thứ hạng cao ko vô vs ( hứa chăm cày )

Giúp mik với Nhớ giải đầy đủ nha

Lm bài này + thêm nghĩa của câu I. Change the following sentences into the passive voice. 1. They grow rice in tropical countries.→ ______________________________________________ 2. Mr. Green loves his children very much.→ _____________________________________________ 3. People don’t speak French here.→ __________________________________________ 4. Someone broke his windows last night.→ _________________________________ 5. The police didn’t find the lost boy yesterday.→ ___________________________________ 6. About thirty million people are watching this live show now.→ _________________________________ 7. Do they teach French in our school?.→ _________________________ 8. Jack has typed the article recently.→________________________________________ 9. The police haven’t found the murderer yet.→ _______________________________________________ 10. They were planting trees in the garden.→ _______________________________ 11. They had wrapped the package carefully before they posted it.→ _________________________ 12. Children should treat old men with respect.→ __________________________________________ 13. The computer can do all the accounts. → ____________________________________ 14. They are going to build a new school.→ ______________________________________ 15. He isn’t going to buy that house.→ ____________________________________ 16. They will pull down that building→ ________________________________________ 17. The teacher won’t correct the exercises tomorrow.→ _________________________________ 18. You have to keep dangerous chemicals in the safe place.→ ____________________________________ 19. Police had to break the meeting up.______________________________________ 20. They may use that room for the classroom.→ _______________________________________________ 21. You must wash your hands. → _______________________________________________________________________ 22. They ought to knock down the old building. → _______________________________________________________________________ 23. You should type that report today. → ________________________________________________________________________ 24. Nobody has used this room for ages. → ________________________________________________________________________ 25. No one can solve that problem. → ________________________________________________________________________ 26. No one told us the news. → ________________________________________________________________________ 27. Paul didn’t tell me the ending of the story. → ________________________________________________________________________ 28. The teacher will give her a prize if she works well. → ________________________________________________________________________ 29. Her mother bought her a doll last week. → ________________________________________________________________________ 30. The police found the robber in the forest yesterday. → ________________________________________________________________________

mn giúp mình bài này với hứa vote thank mn

1/2 + 150% = 2014 mong mn giải giúp mik ạ

Giúp em bài này : Điền số thích hợp vào các ô còn lại để được tông 3 số theo mỗi hàng , mỗi cột , mỗi đường chéo bằng . \begin{array}{|l|l|}\hline 15 & 10 & 3 & 4\\ \hline & 12 & & \\ \hline \\ \hline\end{array}