Giúp mik vs hứa vote5*+ cảm ơn câu c,d

Cho các chất sau: CuO, Na2O, BaCl2, Fe, Cứ. Chất nào tá dụng với : a) dung dịch HCl b) dung dịch H2SO4 loãng Giúp mình nốt câu này thôi ạ. Mai mình học rồi. Cảm ơn mọi người ạ.

Bài thơ Nhớ đồng được viết khi tác giả bị giam trong tù, cả bài thơ toát lên tình yêu quê hương đất nước và niềm say mê với lí tường. Điều đó thể hiện tính cách gi của Tổ Hữu?

Supply the correct verb form: Past simple or Present Perfect 1.A: Look! somebody.........................(spill) coffee on the carpet. B: Well, it ..........................(not/be) me. I............................(not/do) it. 2.A: Ben............................................(break) his leg. B: Really? How................................(that/happen)? A: He..............................................(fall) off a ladder. 3.A: Your hair looks nice,..............................(you/have) a haircut? B: Yes. A: Who...............................(cut) it?.................................(you/go) to the hairdresser? B: No, a friend of mine......................................(do) it for me.

Bạn an làm một cái hộp dạng hình lập phương bằng bìa có cạnh 10cm. Nếu dán giấy mầu tất các mặt ngoài của hộp đó thì bạn an cần bao nhiu xăng ti mét vuông giấy màu.

cho đường thẳng(d): y=5-x d đi qua điểm nào sau đây A.(1,1) B.(-1,4) C.(1,4) D.(0,-5) giúp mình ,mình cho 5 sao nha cảm ơn

Supply the correct verb form: Past simple or Present Perfect 1. "Where 's you key?" I don't know. I ..................it". (lose) 2. I..................very tired, so I lay down on the bed and went to sleep. (be) 3. Mary.............................to Australia for a while but she 's back again now. (go) 4. "Where 's Ken?" "He................................out. He 'll be back in about an hour." (go) 5. I did German at school but I..................................most of it. (forget) 6. I meant to phone Diane last night but I....................................(forget) 7. I..........................................a headache earlier but I feel fine now. (have) 8. Look! There 's an ambulance over there. There........................................an accident. (be) 9. They 're still building the new road. They..........................................it. (not/finish) 10. "Is Helen still here?" "No, she...........................................out". (just/go) 11. The police................................three people but later they let them go. (arrest) 12. Ann.................................me her address but I'm afraid I............................it. (give, lose) 13. Where 's my bike? It......................................outside the house. It...........................................! (be, disappear) 14. What do you think of my English? Do you think I..............................? (improve)

Supply the correct verb form: Past simple or Present Perfect 1. Mr. Greenm (teach).......... ...........English in this school since he (graduate) ...................from the university in 1986 2. He (write) ..............a book since last year 3. You (watch)............... TV last night? 4. I (read)............ the novel written by Jack London several times before 5. Someone (steal)............... my handbag on the bus 6. Last month, I (be) ...............in the hospital for ten days 7. My father (not smoke).............. for 5 years 8. You (receive)............... any letter from your parents yet? 9. He (leave)............. home two weeks ago and we (not hear) .................from him since then 10. A: You (speak)................ to Mrs. Baker yesterday? B: No, I (not see)................. her for a long time A: I (not can).................... remember when I last (see) .....................her 11. My brother (join) ..................the army when he (be)....................... young 12. Mr. Jackson (paint).................... his house since last month 13. Columbus (discover) ................America more than 400 years ago 14. We (study)............... French for five years at school but we (not learn)............. very much 15. A: You (teach) .................English before? B: Yes, I (have).................. I (teach)............... English for three years in Hong Kong and when I (come) ................back, I (start)............... teaching at the Kensington school of English and I (teach)................ there since then 16. A: I (see) ..............Jack last night B: Oh really? I (nor see)............. him for three months. How is he? 17. A: you (ever/win) ............a competition? B: Yes, I (win) .................a photoghraphic competition in 2001 18. Geoge (work)................ at the university so far 19. We (not live)................ in England for two years now 20. When I (be)............... a child, I (want).................... to be a doctor

Vẽ nơi em đang sống (hoặc quê em) Nhường Nấm xíu nhé :3

giúp mình tìm câu dẫn chứng: thuyết minh vs tự sự với ạ