1) Cho tứ giác ABCD, Gọi M,N,P,Q lần luợt là trung điểm AB,BC,CD,DA a)CMR:MNPQ là hình bình hành b)Tìm điều kiện của tứ giác ABCD để MNPQ là hình chữ nhật ,Hình thoi xin hình luôn

34. Birds (build) ___________________their nests in summer and (fly)___________ to the South in winter. 38. How long (Bob and Mary /be)____________________ married? 39. (You /receive) ____________________any letter from your parents yet? 48. my brother(finish)_________________ his second novel so far. 63. She is buying a lot of flour, I think she (make)_______________some cakes. 66. Some animals (not eat)___________________ during winter. 67. He drives too dangerously, he (have)_______________________an accident. 68. John (watch) ______________TV at 8 last evening.

tim đa thức M M/x+4= x^2-8x+16/16-x^2

Mức độ dân số của xã a là 1,5 % . Cuối năm 2021 số dân xã A là 101.500 người .Số dân xã cuối năm 2020 là A 102000 người B 100500 người C 100000 người D 99000 người

I/ Chuyển sang câu tường thuật gián tiếp 1/ "How can I tell this news to my parents?" she wondered. => She wondered ………………………………………………. 2/ "Dad, when should I leave for the bus tomorrow?", he asked his father. => He asked his father ………………………………………………. 3/ "Who should I call for help?" she asked. => she asked ……………………. . 4/ “Is the bus station far away?” the girl asked. - The girl wanted to know ………………………………. 5/ “Please let me borrow your car,” he said to her. - He asked him ……………………………………. 6/ “Jean, have you seen my gloves?” Thomas asked. - Thomas asked Jean ……………………………. 7/ Don’t leave the window open, Mary”, I said. - I told Mary ………………………………………. 8/ “I’ll have a cup of tea with you,” she said. She said that ……………………………………………….. 9/ “Can I sit beside you, Jean?” Tom asked. -Tom asked Jean ……………………………………………. 10/ I want a camera for my birthday,” he said. - He said that …………………………………………………

Mn giúp em câu 4 với ạ, em cảm ơn, em đng cần gấp ạ( mn k cần phải chắc chắn 100 từ đây, chỉ sương sương thôi ạ)

Hành tinh nào không thể nhìn thấy từ Trái Đất nếu không sử dụng kính thiên văn?

Giúp em vs ạ tầm 9:15 em phải nộp mong các cao nhân giúp em

Exercise : 1. She washed the tubes in the laboratory, .......................? 2. Jack won’t take that course, ........................? 3. Something is in her eye, ..........................? 4. His parents didn’t allow him to go out, .......................? 5. Don’t stand in the rain, ……………….? 6. No one likes her, ........................? 7. The students looked bored in the class, .........................? 8. The cat has caught five mice, …………….........? 9. Susan ought to iron her clothes, ...........................? 10. Mike and Kathy can’t lift that case, ........................? 11. Nothing can affect his work, .....................? 12. The worm destroyed that flower last night, ..............................? 13. Ann doesn’t do her duty today, ..........................? 14. Someone telephoned me this afternoon, ..........................? 15. Mr Smith never smokes cigars, .........................? 16. Everything looks tasty, ...............................? 17. They shouldn’t tease that dog, .............................? 18. The questions were very difficult, ..........................? 19. We mustn’t abuse drug, ...............................? 20. Let’s play football now, ...............................?

ai giúp mik với mik đang cần gấp làm hết lun nhé votte 5* lun cảm ơn trước