Trên tia Ox lấy 2 điểm A và B sao cho OA=2cm,OB=6cm a,Trong 3 điểm O,A,B điểm nào nằm giữa 2 điểm còn lại b,Tính AB c,vẽ trung điểm M là trung điểm A,B. Chứng tỏ A là trung điểm đoạn thẳng OM

Câu 6.Theo em, nếu một người phát hiện có biểu hiện ho, sốt, khó thở,… ; bản thân người đó và người thân của họ cẩn phải làm gì để bảo vệ sức khỏe ?

chỉ ra độ dài lớn nhất của xâu, cách xác định 2 xâu là giống nhau và cách xác định 2 xâu là khác nhau

dòng nào dưới đây có các từ in đậm là từ nhiều nghĩa A.nó ko biết từ phương nào BAY đến / cậu ấy đánh BAY mấy bát cơm. B.Nó từ từ nhắm hai MẮT / quả na đã mở MẮT. C.con họa mi ấy lại HÓT / bạn Lan đang HÓT rác ở góc lớp. D. nó xù lông RŨ hết những giọt sương / chú mèo nằm ủ RŨ ở góc bếp.

CULTURAL CLASHES One (1) ¬¬__________ (CHARACTER) of the modem world is that people increasingly find themselves living side by side with people from other cultures. While in the past people with different cultures were able to live quite (2) __________ (SEPARATE), high mobility and freedom of movement mean that we are more likely today to be confronted with people whose way of life is (3) __________ (FAMILIAR) to us. In such circumstances, (4) __________ (RACE) is a real danger. People feel a tremendous (5) __________ (LOYAL) to their own culture, and are often unwilling to develop an (6) __________ (APPRECIATE) of the positive aspects of other cultures. They may feel that another culture presents a threat to their own (7) __________ (INHERIT), one that could even lead to the (8) __________ (APPEAR) of certain aspects of their way of life. Often, however, this threat is more a matter of (9) __________ (PERCEIVE) than reality and different groups live in (10) __________ (RELATE) harmony in many parts of the world.

- Bộ phận trung ương có não và tủy sống được bảo vệ trong các khoang xương và màng não tủy; hộp sọ chứa...................... ; ......................... nằm trong ống xương sống. - nằm ngoài Trung ương thần kinh là bộ phận ngoại biên, có các dây thần kinh do các ................... và................. tạo nên. Thuộc bộ phận ngoại biên còn có các hạch thần kinh. giúp mình giải câu này nhé. Cảm ơn nhiều

Vẽ hình giúp mình luôn nha,mà làm bài 1 thôi (Cảm ơn các bạn)

Cho đường tròn (O;R) đường kính AB và dây cung BC=R. Giải tam giác ABC b) Từ O dựng đường vuông góc với AC tại H và cắt tiếp tuyến tại A của đường tròn (O) ở D. Chứng minh DC là tiếp tuyến của đường tròn (O) và DA=DC c) Tính diện tích tứ giác ADCO

các bạn ơi giúp mình với mình sẽ cho 5 sao

III. Write complete sentences. Use the past simple of the verbs. 1. I/ go swimming/ yesterday. => 2. Mrs. Nhung/ wash/ the dishes. => 3. my mother/ go shopping/ with/ friends/ in/ park. => 4. Lan/ cook/ chicken noodles/ dinner. => 5. Nam/ I/ study/ hard/ last weekend. => 6. my father/ play/ golf/ yesterday. => 7. last night/ Phong/listen/ music/ for two hours. => 8. they/ have/ nice/ weekend. => 9. she/ go/ supermarket yesterday. => 10. We/ not go/ school last week. => IV. Simple Past: 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? 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? ........................................................................ VI. Use the Past form of the verbs: 1- I (be)....................................... a student 2 years ago. 2- He (be).................................. a doctor two years ago. 3- They (be)................................. farmers last year. 4- Lan and Ba (be)..................................... nurses last year. 5- It (be not)..................................................... cold yesterday. 6- She (be not)............................................... a pupipl last week. 7- This hat (be not).......................................... new yesterday. 8- My parents (be not)................................. teacchers two years ago. 9- He (be not).................................... a mechanic last Monday. 10- (Be)............................... he an engineer yesterday. No, he (be not).....................