Các bước tiến hành giao phấn ở lúa và ngô

Ai giúp mk vs mk cho vote 5 sao

Cho mk hỏi bài 5,6 vs. Cam on trước nhé :))

we heard him ....(sing) in the next room

Các anh chị và chuyên gia giúp em bài này ạ :<

Hoàn thành câu sau Will / our life / better / it / now?

IV. Chia động từ trong ngoặc ở thì quá khứ đơn. nhớ giải thích 1. She (spend) ____ all her money last week. 2. Mum (not spend) ___________ any money on herself. 3. I (lend) __________ my penknife to someone, but I can't remember who it was now. 4. John and his father (build) ___________ the cabin themselves last year. 5. My parents (sell) ____________ the stereo at a garage sale. 6. ___________You (tell) ___________ anyone about this yesterday? 7. The unidentified plant (bear) ___________ gorgeous flowers. 8. She (tear) ___________ the letter to pieces and threw it in the bin. 9. He often (wear) ___________ glasses for reading. 10. Before God He (swear) ___________ he was innocent 11. Yesterday Clouds (creep) ___________ across the horizon, just above the line of trees. 12. We both (sleep) ___________ badly that night. 13. She (weep) ___________ for the loss of her mother. 14. Jane (keep) ___________ the engine running. 15. A huge wave (sweep) ___________ over the deck 16. Mum (pay) ___________ for my driving lessons. 17. He (lay) ___________ his hand on my shoulder. 18. He (break) ___________ the biscuit in half and handed one piece to me. 19. He (choose) ___________ his words carefully as he (speak) ___________. 20. He .....................to the zoo last Sunday (go) 21. She (not/ watch)....................................TV last night 22. They (meet)..............................their friends at the movie theater last week 23. What...............you (do).....................last night 24. ........................... they (buy).....................a new car two days ago? 25. We .............. (have) a lot of homework yesterday. V. Use the correct form of the verbs Yesterday (be).......... Sunday, Nam (get)...............up at six. He (do) ........... his morning exercises. He (take) ...............a shower, (comb).............. hair, and then he (have) .............. breakfast with his parents. Nam (eat)............ a bowl of noodles and (drink) a glass of milk for his breakfast. After breakfast, he (help) .............. Mom clean the table. After that, he (brush).......... his teeth, (put).......... on clean clothes, and (go)............ to his grandparents' house. He (have) .............. lunch with his grandparents. He (return) to his house at three o'lock. He (do).............. his homework. He (eat).......... dinner at 6. 30. After dinner, his parents (take).......... him to the movie theater. It (be)...............a very interesting film. They (come) .............. back home at 9. 30. Nam (go)................... to bed at ten o'clock. 1. What day was yesterday? ................................................................................. 2. What time did Nam get up? .............................................................................. 3. What did he do after breakfast? ......................................................................... 4. Who did he have lunch with? ........................................................................... 5. What time did he have dinner? .......................................................................... 6. What time did Nam go to bed? ........................................................................

Chứng tỏ rằng các đa giác đều có cùng số cạnh thì đồng dạng với nhau

Trong các số −2;−1,5;−1; 0,5; 2; 3; 2/3số nào là nghiệm của mỗi phương trình sau đây : y2 – 3 = 2y t+3=4−t (3x-4)/2 + 1 = 0

Dung dịch của một axit yếu một nấc có nồng độ 0,01M và độ điẹn li là 31,7%. Xác định [H+] trong dd axit đó