nêu vd về 3 chùm sáng: chùm sáng song song chùm sáng hội tụ chùm sáng phân kì

Vì sai Huế, Đà Nẵng, Quãng trị lại có lượng mưa lớn??

trong văn bản ''Mẹ tôi'' là ngôi kể thứ mấy,tác dụng của ngôi kể đó

​​​​​​giúp mk với mk đang cần gấp,mk sẽ cho 5 sao

MỘT CON LẮC LÒ XO CÓ KHỐI LƯỢNG m=50g dao động điều hòa trên trục x với chu kì T=0,2s và biên độ A=0,20m.Chọn gốc tọa độ O trùng với Vị trí cân bằng theo chiều âm. a,Viết Pt dao động của con LẮC B,xác định độ lớn và chiều của vectơ vận tốc ,gia tốc và lực kéo về tại thời điểm t nhỏ=3/4 T lớn

Change the sentences into reported speech 39. “What will you do for a living from now on?” I asked an orphan boy. F……………………………………………………………………………………………… 40. “Whom did you talk with in the school canteen three days ago?” he asked Mary. F……………………………………………………………………………………………… 41. “Why don’t you register for the course?” she asked him F……………………………………………………………………………………………… 42. “How long have you been stdying in the college?” her uncle asked her. F……………………………………………………………………………………………… 43. “Why don’t we make friends with the newcomers?” she asked us. F……………………………………………………………………………………………… 44. “How can we correspond with you when you go abroad?” they asked him. F……………………………………………………………………………………………… 45. “Which place is better for him to settle down?” I asked my aunt. F………………………………………………………………………………………………

Change the sentences into reported speech 31. “How much do the front seats cost?” I said to the ticket seller. F………………………………………………………………………………………………. 32. “What size are you and your husband?” the department store kepeer asked Mrs.White F………………………………………………………………………………………………. 33. “How long does it take me to get to the police station from here?” she asked a taxi driver F……………………………………………………………………………………………… 34. “How many brothers and sisters do you have?” I asked her F………………………………………………………………………………………………. 35. “What will I do if I lose my driving lisence?” Mr. Tan asked a policeman. F………………………………………………………………………………………………. 36. “What kind of test will I take if I want to attend this English course?” I asked a clerk. F………………………………………………………………………………………………. 37. “Which wine is better, Spanish wine or French wine?” he asked me F……………………………………………………………………………………………….

Nguyên nhân thất bại $\left \{ {{Cách mạng} \atop {tam hợi}} \right.$ tính chất ý nghĩa

Finish each sentence in such a way that it means exactly the same as the one printed before it. Use the words given and do not alter in any way. 1. I’m looking forward to visiting my relatives tomorrow! (thought) - I……..…………………………………..…………………………………………………. 2. Lan is determined to become a teacher. (heart) - Lan’s…………………………………………………………………………..………. 3. We are allowed to eat as much as we want here! (content) - We are …….….………..……………………………………………………..................... 4. Many key ideas aren’t given due consideration in your essay. (account) - You……………………………………………………………………………………….. 5. That machine is too old so it will no longer be operated here. (out of) - That machine………………..……………………………………………………………..... 6. We have discovered some quite interesting information (light) -……………….………..…………………………………………………………….....

Summarize the text: The Thai have a population of about one and a half million people living in the provinces of Lai Chau, Son La, Yen Bai, Hoa Binh, Thanh Hoa, and Nghe An. The Thai language belongs to the Tay - Thai group.The Thai are experienced farmers. They dig canals to bring water to their fields. Their main food is rice, especially sticky rice. The Thai also grow other crops on burnt-out land. They raise cattle and poultry for their own use. They also make bamboo items, and weave cloth. Thai cloth is well-known for being unique, colourful and strong.Recently, Thai men prefer to wear the Kinh’s style of dress, while Thai women keep their traditional costumes including short blouses, long skirts, scarves and ornaments. The Thai live in houses on stilts. Their villages comprise 40 to 50 houses, usually built side by side.The Thai worship their ancestors. Every year they hold festivals and ceremonies with alternating songs between boys and girls, and many traditional games.