Cho góc xAy =60 độ. Tia AM là tia phân giác của xAy. B là 1 điểm trên tia Ax. Từ B kẻ BC vuông góc với Ay, BD vuông góc với Am. a,So sánh BD và AC b, BD cắt Ay tại E . CMR tam giác ABE đều Giúp mk với mk đang cần gấp

Choose from the list the word that is OPPOSITE in meaning to the underlined word in each question. special/ attend/ unknown/ a few similar/ retain/ passive/ unlucky 26. To have chance to enter the final round, you have to eliminate lots of competitors. 27. Hector Berlioz was one of the most prominent composers of the Romantic period. 28. Many people who do volunteer work think they are more fortunate than others. 29. Economically disadvantaged student often drop out of school, choosing a low-paying job to earn money. 30. We are looking for camp helpers who are hard-working, energetic, and able to organise activities for young children. Use the correct form of the words to complete the sentences. 31. Chopin is one of the greatest Romantic piano composers whose works are often technically ___________. (demand) 32. I find the natural world endlessly ______________(fascinate). 33. He was ____________ to find they’d already gone. (disappoint) 34. Someone who is functionally ___________ can only read and write just a little. (literacy) 35. It's a ___________ organization, depending for its income upon voluntary contributions from the public. (charity) Use the correct form of the words to complete the sentences. 36. Wedding rings remind couples of the ___________ they made to each other when they got married. (COMMIT) 37. The ___________ often keeps the bride calm and helps her ready at the wedding. (BRIDE) 38. Before doing something important, people often choose a ___________ time for it. (FAVOR) 39. There are many ___________ things in the world that we could not explain. (MISTERY) 40. If the first person coming to your house is rich and ___________, then your family will have good fortune that year. (PRESTIGE) Choose a word/phrase from the list and use it in the correct form to complete each sentence. faded/ protection/ deforestation embarrassed/ consumption/ harmony 41. The best singer_______ went to Alan Walker for ― Faded ‖. 42. The ____________________ of the environment from threats such as deforestation, the extinction of rare species, pollution and natural resource depletion is one of the WWF’s missions. 43. The ____________________ caused during the 20th century made the vegetation in this region, which was originally a vast forest refuge for innumerable species, disappear. 44. I walked into this restaurant and there was Andy with a strange woman. He seemed really ______. 45. The _______ of fossil fuels has gradually increased in many countries which is concern for many environmentalists. habitats/ distract/ depletion disruptive/ lighten/ devices 46. Agricultural farms provide important ______________ for many wild plant and animal species. 47. In this situation when you are annoyed and interfered with your device, it becomes ___________. 48. Personal electronic devices which __________ students from their class work are banned in most schools. 49. Using your tablets or smartphones in learning helps you ___________ your backpack. You don’t have to bring so many books to school anymore 50. Mobile learning ___________ are more convenient because they are light and portable.

Cân bằng FexOy + CO -> FeO + CO2

Mọi người giải giúp em bài 2 với ạ, em sắp làm không nổi rồi, càng sớm càng tốt ạ

Fill in the blank with a suitable word (with the first letter given) to complete each of the following sentences. 11. His kind words brought some CO________ to the grieving parents. 12. Let’s take someone else. A girl won’t be capable of RE________ that topic. 13. Alexander Graham Bell’s IN________ of telephone was recognized in 18th century. 14. Broccoli supplies a great sources of vitamin K, which is known to EN___________ thinking function and IM___________ brainpower. 15. In AC____________, special thin needles are put in different pressure points all over the body. Reorder the words to complete the sentences. 16. The creation of nature reserves will help to ensure the valsuirv ________________ of many endangered species. 17. If people stop destroying animal’s natural habitat, more species will survive and produce sporffings ________________. 18. The ntenvonirme ________________ is the air, water and land in or on which people, animals and plants live. 19. We should develop such teraltivena ________________ sources of energy as solar energy and nuclear energy. 20. Internet shopping has begun to have a serious acimpt ________________ on the traditional bookshops Choose from the list the word that is CLOSEST in meaning to the underlined word in each question. renowned/ nervous/ influences/ limited influences/ broadcasted/ preference/ dedicated 21. If you want to become a well-known singer, you need to have a unique selling point, a way to differentiate yourself from the crowd. 22. This game show has attracted many participants since it was aired in 2015. 23. Mother Teresa devoted herself to caring for the sick and the poor. 24.Our top priority is to clean and protect the environment in our neighbourhood. 25. Your people are now getting more and more concerned about environmental problems.

Giúp em tìm x với ạ,em xin cảm ơn

Exercise 4: Past simple or Past continuous In my last holiday, I went to Hawaii. When I (go) 1............to the beach for the first time, something wonderful happened. I (swim)2............in the sea while my mother was sleeping in the sun. My brother was building a castle and my father (drink)3 some water. Suddenly I (see)4............a boy on the beach. His eyes were blue like the water in the sea and his hair (be)5............beautiful black. He was very tall and thin and his face was brown. My heart (beat)6............fast. I (ask)7............him for his name with a shy voice. He (tell)8............me that his name was John. He (stay)9............with me the whole afternoon. In the evening, we met again. We ate pizza in a restaurant. The following days we (have)10............a lot of fun together. At the end of my holidays when I left Hawaii I said good-bye to John. We had tears in our eyes. He wrote to me a letter very soon and I answered him. Giảic thích thì gì và dấu hiệu luôn ạ

Giúp em bài 1 câu c) d) với ạ E cảm ơn ạ

Mọi người giúp em bài 9 với ạ Xin lỗi mng vì hỏi lúc đêm muộn ạ Em cảm ơn trc

Giúp em nhanh nhé ,vẽ cả hình cho em Mai em cần