user-avatar
loga2005
2 năm trước
Bài 10: Cho cân tại A ( ). Kẻ BD AC (D AC), CE AB (E AB), BD và CE cắt nhau tại H. a) Chứng minh: BD = CE b) Chứng minh: cân c) Chứng minh: AH là đường trung trực của BC LÀM Ý C THUI NHOA, AI ĐÚNG NHẤT MIK SẼ TLHN VÀ VOTE 5 SAO NHA ( VIẾT CHỮ ĐẸP ĐẸP XÍU NHOA )
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

EX 1 In the future, genetic engineering will allow us to create the perfect human. It will be hard to get used to. Parents will order a baby who 'will grow up to become his new job because he is not quite prepared a genius or to have a Miss World appearance. Also, genetic engineering will allow us to mix plants and animals. As computers have advanced, they have helped us remember, calculate, organize, and clarify. So it will become easier to deal with things, and much quicker. At a point in a future time, some may claim that computers become about as smart as Newton or Einstein. More advanced computers will be able to be creative, respond to feelings in a feeling way, develop intuition, recognize patterns, and suggest innovative alternatives. There is a hope if we choose to take action. We can select Internet information wisely, choose healthy computer games, limit our exposure to television commercials, and select television programs carefully. People will be aware of the importance of keeping active, getting outside to do more physical activities. We will also plan to make a major sacrifice the next time we buy a car, take the bus. Everybody will be more concerned about making environmentally friendly choices, eating healthy, and helping build a healthier society by shopping at better stores that sell better food. Most people will be aware that a happy, loving family is a joy to be part of, and that it is a necessary foundation for building a strong society. But it is extremely important for our future that we maintain a healthy perspective. We need to value and appreciate the importance of what can be achieved by loving and committed parents. People need a strong foundation, so it is vital for our society that we encourage parents to work at creating love, joy, and happiness for their children in a .decent, stable, and productive atmosphere. Question 1. How many aspects of life in the future are referred in the text? A: One B: Two C: Three D: Four arrow_forward_iosPowered by GliaStudio Question 2. Which aspect is not referred in the text? A: Education B: Genetic Engineering C: Computer D: Family Question 3. The phrase to have a Miss World appearance means that _______. A: to become a Miss World B: to enter a beauty contest C: to be intelligent D: to be beautiful Question 4. According to the text, in the future, _______. A: it will be difficult for us to select Internet information B: people will prefer taking a bus to buying a car C: food will not be sold at shops D: TV viewers will not be able to escape from seeing a lot of advertising. Question 5. The last paragraph is about _______. A: family and parents' responsibility in the future B: children's education C: children's health D: how to build a strong society

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team