Rễ sâu ai biết là hoa Xoắn đau núm ruột làm ra nụ cười. Im trong lòng đất rối bời Chắt chiu từng giọt, từng lời lặng im. Uống từng giọt nước đời quên Ăn từng thớ đá dựng nên sắc hồng Nở rồi, trông dễ như không Một vùng sáng đọng, một vùng hương bay. Tụ, tan màu sắc một ngày Mặt trời hôm, mặt trời mai ngoảnh cười Bắt đầu từ rễ em ơi! (Chế Lan Viên, Rễ … hoa) Câu hỏi 1) em hiểu ntn về từ "rễ"?? 2) biện pháp tự từ nơi bậc trên đoạn thơ trên ? Nêu tác dụng của biện pháp tu từ đó? 3) ý nghĩa của bài thơ? Giúp em bài này với ạ 🙏 Em đang cần gấp 😭

quá trình khai thác tài nguyên khoáng sản ảnh hưởng đến môi trường như thế nào ? là học sinh em phải làm gì để bảo vệ môi trường?

một hình thang có đáy lớn là 24cm , đáy bé là 2 phần 3 đáy lớn,chiều cao ngắn hơn đáy bé là 5cm. Tính diện tích hình thang đó. Bài 2: Một bể kính nuôi cá có dạnh hình hộp chữ nhật có chiều dài 1,2cm chiều rộng 0,5cm chiều cao là 0,6 cm. A. Tính thể tích của bể . B. Người ta đổ nước chiếm 80 phần trăm thể tích bể.Tìm chiều cao mực nước trong bể.

Cho phương trình x - (n+1)x+ 2n– 2 =0 (1) (với n là tham số). a) Giải phương trình (1) khi n= 2. b) Tìm giá trị của n để phương trình (1) có hai nghiệm x1,x2 thỏa mãn 3(x1+x2)-x1x2=10

Nối mỗi cặp sau dùng đại từ quan hệ( Who,whom,which,whose,that) 1.It is the best book. I have ever read it. -->....... 2.He shouted at the dog. It barked loudly. -->.....

Công cụ bằng kim loại đã có tác dụng như thế nào ?

Giai đoạn nào là quan trọng nhất trong nhảy xa Vì Sao

1. What exactly is the influence of air pollution .................. human beings ? A. to B. with C. on D. for 2. The campaign will hopefully ensure the survival ................ the tiger A. of B. for C. to D. on 3. It is impossible for local wildlife to coexist ................ industry A. to B. of C. in D. with 4. The government is thinking of bringing ................... a law to prohibit the killing of endangered animals A. on B. up C. in D. round 5. We should do something immediately to save many kinds of rare animals ...................... extinction A. away B. from C. in D. with 6. Laws have been introduced to prohibit the killing of endangered animals ( từ " prohibit " cùng nghĩ với từ nào ? ) A. advised B. decreased C. ban D. encouraged 7. Hunting for meat and burning forests for soils ...................... wildlife A. protect B. conserve C. destroy D. survive 8. Do you know exactly .................. number of Siberian tigers in China ? A. a B. an C. the D. 0 9. Garbage is considered to be some kind of .............................. A. pollute B. pollutants C. pollution D. polluting 10. In some countries environmental organizations have been ..................... to inform people and gain their support A. made up B. set up C. brought up D. taken up 11. If we do not take steps to protect the world's wildlife , many species of birds and animals are likely to ......................... completely A. die out B. die down C. die away D. die from 12. I personally think that it is easy to understand .................. time is relative A. the reason B. the reason for that C. for which reason D. the reason why 13. .................... concerns about wildlife never keeps a wild animal as pets A. Anyone that B. Anyone which C. Anyone for whom D. Anyone whose 14. Did you listen to the lecture on the environment by Dr.Pike , .......................... A. whom I have ever told you about B. about that I have ever told you C. I have ever told you D. that I have ever told you 15. ............................ want to use rain forests are cutting them down without any hesitation A. People who B. People which C. People whom D. Who 16. The man showed us the cage ..................... he kept a fierce lion A. which B. that C. in which D. in that 17. Those villagers .................... near the forest chop down hardwoods to sell for high prices A. live B. who live C. whom live D. for whom to live 18. By cutting down the trees , people destroy the ecosystem of the rain forest ........................ A. on which they depend B. where they depend on C. which they depend D. where they depend 19. ......................... comes from thousands of factories has caused enormous increases in air pollution levels A. Smoke B. Smoke for which C. Smoke that D. Smoke whose 20. " I have bought you a toy . Happy birthday to you !" - " ........................" A. What a lovely toy ! Thanks B. Have a nice day ! C. The same to you ! D. What a pity ! 21. " Your hairstyle is terrific , Cindy " - "..........................." A. Thanks , Peter B. You're welcome C. Not at all D. It's nice 22. ' Can I help you ? ' - '.......................' A. No , thanks . I'm just looking B. Yes , I'm watching C. No , I'm seeing D. Yes , I'm thinking 23. " I have just passed my English proficiency test " - " ......................... " A. Congratulations ! B. It's nice of you to say so ! C. That's a good idea D. Ok ! I'm enjoying in it ! 24. " Happy New Year ! " - " ............................ " A. Thank you , I am very happy to hear that B. Thank you , I am too C. Thank you , the same to you D. Thank you . I wish you a happy birthday

1. (Because of) it rained (heavily), we (didn't go) to (her) birthday party. 2. (Hoa's) family has (moved) to this city (for) (last month). 3. (Thanks for) TV, people can enjoy (interesting) programs in an (inexpensive) and (convenient) way. 4. I (like) to go (to) the countryside (and) my little sister does, (either). 5. The town we visited (was) a (four-days) journey from our hotel, so we (took) the train instead (of the) bus. 6. Is (there) (something) (in) the (clothes basket) ? 7. This exercise is (much) (more earsier) (than) (the others). 8. (The) majority (to the) news is (about) (violence) and scandal. 9. (That) doctor (is) visited (the) patient (since) 5pm. 10. (When) our vacation, we (plan) to spend (three days) scuba (diving). 11. Some of the people (were standing) in the street (watched) the parade, (while) others (were singing) songs. 12. Stuart stopped (to write) his letter (because) he had to (leave) (for the hospital). 13. The (girl) (which) I met (at) the party last night is (from England). 14. They (have) (such a good meal) (at that restaurant) that they wanted (to go there) again. 15. We'd better (to review) this lesson (carefully) because we (will have) some questions on (it).

use the words and provided to write meaningful sentences 1, my/opinion/wear/uniforms/encourage/students/proud/school - ............... 2, holiday/be/so/disappointing/they/decide/ask/money/back -........... 3, if/there/be/much/exhaust fume/air/more /people/cope/respiratory problem -............ 4,you/know/name/lecturer/ talk/natural disasters/workshop/two day ago/? -..........................