Câu 1: Ở Việt Nam, các dân tộc có A. 45 dân tộc B 54 dân tộc. C. 43 dân tộc D. 53 dân tộc Câu 2: Nghề thủ công của các dân tộc Thái, Tày là. A. Làm đồ gốm. B. Dệt thổ cẩm. C. Khảm bạc. D. Trạm trổ. Câu 3: Nét Văn hóa riêng của mỗi dân tộc được thể hiện ở những mặt. A. Ngôn ngữ, trang phục, phong tục tập quán. B. Kinh nghiệm lao động sản xuất, ngôn ngữ. C. Các nghề truyền thống của mỗi dân tộc,trang phục. D. Ngôn ngữ, trang phục, đia bàn cư trú. Câu 4: Dân số đông và tăng nhanh gây ra hậu quả. A. Sức ép đối với kinh tế, xã hội và môi trường. B. Chất lượng cuộc sống của người dân giảm. C. Hiện tượng ô nhiễm môi trường gia tăng. D. Tài nguyên ngày càng cạn kiệt, xã hội bất ổn.

K cần giải thich nhé mn, nhanh giúp mk.

Câu 3. Anh/chị hiểu nội dung hai dòng thơ sau như thế nào ? Mẹ ngồi vá áo trước sân Vá bao mong ước tay sằn mũi kim

1. All the students __________________ for their behavior tomorrow morning. (punish) 2. The problem __________________ at the meeting yesterday. (solve) 3. Electricity __________________ while we were having dinner last night. (cut) 4. All the pills __________________ next week. (pay) 5. My house __________________ by a skillful painter for three days, (paint) 6. The bicycle __________________ on my way to school. (repair) 7. Cars may __________________ here free of charge. (park) 8. Carpets __________________ every month to make sure it is clean enough. (clean) 9. Since their arrival, we __________________ excited. (make) 10. The doctor __________________ in a car accident last week. (hurt)

Every year, thousands of people come to Edinburgh, the capital city of Scotland, to be part of the Edinburgh Festival. For three weeks, every August and September, the city is filled with actors and artists from all over the world. They come to Edinburgh for the biggest arts festival in Britain. During this time, the streets of the city are alive with music and dance from early in the morning until late at night. You can even see artists painting pictures on the streets! Tens of thousands of tourists come to the Festival to see new films and plays and to hear music played by famous musicians. This year, you can see over five hundred performances with actors from more than forty countries. The tickets for these performances are quite cheap, and it is usually easier to see your favourite star in Edinburgh than it is in London, so come to Edinburgh next summer. 1. Edinburgh is the capital of Scotland. A. Right B. Wrong C. Doesn't say 2. The Edinburgh Festival is a month long. A. Right B. Wrong C. Doesn't say 3. The Edinburgh Festival is in October. A. Right B. Wrong C. Doesn't say 4. Actors come to the Edinburgh Festival from lots of different countries. A. Right B. Wrong C. Doesn't say 5. You can hear music all day. A. Right B. Wrong C. Doesn't say 6. Edinburgh Festival is the biggest festival in Great Britain. A. Right B. Wrong C. Doesn't say 7. The artists on the streets only paint pictures of scenery. A. Right B. Wrong C. Doesn't say 8. More than ten thousand students come to the Edinburgh Festival every year. A. Right B. Wrong C. Doesn't say 9. It is expensive to go to the theatre in Edinburgh. A. Right B. Wrong C. Doesn't say 10. It is usually more difficult to see famous actors in London than in Edinburgh. A. Right B. Wrong C. Doesn't say

Dẫn 4,48 l khí H2S(đktc) vào trong 250ml dung dịch KOH. Tính nồng độ mol của các chất sau phản ứng. Coi thể tích dung dịch thay đổi không đáng kể

cho tam giác ABC cân tại A,AB=|2x-1|,AC=5-x,BC=9cm.Tính ABC

1. Conservation also includes searching_________ alternative fuels, such as the energy of the Sun. 2. These days everybody is aware___________ the dangers of smoking. 3. Clean air provides us__________ a healthy supply of oxygen. 4. When wastes are poured _________ the atmosphere, the air becomes contaminated and unpleasant to breathe. 5. Some large cities may have to ban cars_________ the city centre to wipe _________ smoke. 6. The fight___________ pollution of our environment is important as well. 7. People used to believe that the world’s natural resources could never be used__________. 8. Conservation is also concerned_________ the reclaiming of land. 9. Protect your child_________ direct sunlight by using a sunscreen. 10. Vehicles account________ air pollution in the city.

Giúp em bài hình với ạ....... Làm ơn 🙏😭

[ x + 2/3 ] +2 = 2 1/3 số 2 là hỗn số của 1/3