B có đáp án đề này k . Cho mk xin vs ạ
Cho tam giác ABC cân tại A, vẽ AD vuông góc với BC taiyD a, Chứng minh tam giác ABD bằng tam giác ACD b, Lấy E thuộc tia đối của tia CA, BE cắt AD tại F. Chứng minh tam giác FBC cân c, CF cắt AB tại K. Chứng minh BE=CK d, Chứng minh CF+EF>BC e, Đường thẳng qua K vuông góc với AB cắt đường thẳng qua E vuông góc với AC tại H. Chứng minh A, F, H thẳng hàng Vẽ hình+giải thì sẽ đc bình chọn hay nhất Mọi người giúp mình với ạ
Tìm giá trị của m để 3 đường thẳng đồng quy (d1): 5x-4y=38 (d2): -2x+3y=-18 (d3): 4mx+(2m-1)y=m+2 Giúp e với ạ e cảm ơn
21 Choose the word whose stressed pattern is pronounced differently from the others. A: community B: addicted C: detest D: leisure 22 Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. Question 13. Mary: “Would you like to join our volunteer group this summer?” Peter: “……………………………………….” A: Yes, you are a good friend B: Do you think I would? C: Yes, I’d love to. Thanks. D: Thanh you so much! 23 Choose the underlined part A, B, C or D that needs correcting. Picture 6 A: A B: B C: C D: D 24 Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 12. Do you adore skateboarding in the park this Sunday. A: dislike B: fancy C: enjoy D: love 25 Choose the best answer a, b, c or d to complete the sentence. Question 8. My sister enjoys _______. She usually walks around the mall to look at the goods, but not buying anything. A: window shopping B: doing DIY C: going shopping D: hanging out
Xét vị trí tương dối của đth d với mp a trong th
11 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. According to the writer, Internet addiction __________. A: can lead to financial problems B: helps people kill time C: is not the same as gambling D: is not an illness 16 Choose the sentence so that it has similar meaning to the first one. Question 23. What leisure activity does she like most? A: What’s her favorite activity in her free time? B: What activity does she like doing most? C: What does she like most? D: What’s leisure activity does she like most? 17 Choose the best answer a, b, c or d to complete the sentence. Question 9. You can raise a ______ pet like a Neopet if you aren’t allowed to own a real pet. A: beloved B: domestic C: weird D: virtual 18 Choose the word whose stressed pattern is pronounced differently from the others. A: event B: teenager C: relax D: adore 19 Choose the best answer a, b, c or d to complete the sentence. Question 10. My favorite hobby is ______. I spend most of my free time making vases and bowls from clay. A: pottery making B: bird watching C: model making D: woodcarving 20 Choose the best answer a, b, c or d to complete the sentence. Question 6. Daisy is _______ social media. She spends lots of time on Facebook and Instagram. A: tired of B: bored with C: curious about D: addicted to
Trong giờ chào cờ đầu tuần, khi cô Hiệu trưởng đang triển khai kế hoạch hưởng ứng tháng “An toàn giao thông”, thấy M cười đùa trêu chọc các bạn, P đã nhẹ nhàng nhắc nhở bạn giữ trật tự. Bạn P đã thể hiện thái độ nào sau đây? A: Tôn trọng người khác. B: Độc đoán chuyên quyền. C: Dĩ hòa vi quý. D: Đề cao bản thân.
a, Tìm cặp số (x,y) thỏa mãn : $9x^{2}$ -$8y^{2}$ =15 b, Chứng minh rằng tồn tại số có dạng 20192019...201900...00 chia hết cho 2018 c,Chứng minh rằng A=$1^{3}$ +$2^{3}$ +$3^{3}$ +$4^{3}$ +...+$2016^{3}$ là số chính phương GIẢI giúp mình với mình đang vội ko spam nha
Mọi người giúp mình bài này với nhé thanks 👍👍
12 Choose the sentence so that it has similar meaning to the first one. Question 24. How about going window-shopping this afternoon? A: Will we go window-shopping this afternoon? B: Shall we going window-shopping this afternoon? C: Shall we go window-shopping this afternoon? D: What about to go window-shopping this afternoon? 13 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Which of the followings is NOT true? A: Internet addiction can cause suicide behaviors. B: Teenagers who are hooked on computer games can suffer from IAS. C: Many Internet addicts spend more than 40 hours a week online. D: IAS is recognized as a new illness. 14 Choose the underlined part A, B, C or D that needs correcting. Picture 4 A: A B: B C: C D: D 15 Choose the word whose underlined part is pronounced differently from the others. A: hooked B: satisfied C: bored D: socialized11 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. According to the writer, Internet addiction __________. A: can lead to financial problems B: helps people kill time C: is not the same as gambling D: is not an illness 12 Choose the sentence so that it has similar meaning to the first one. Question 24. How about going window-shopping this afternoon? A: Will we go window-shopping this afternoon? B: Shall we going window-shopping this afternoon? C: Shall we go window-shopping this afternoon? D: What about to go window-shopping this afternoon? 13 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Which of the followings is NOT true? A: Internet addiction can cause suicide behaviors. B: Teenagers who are hooked on computer games can suffer from IAS. C: Many Internet addicts spend more than 40 hours a week online. D: IAS is recognized as a new illness. 14 Choose the underlined part A, B, C or D that needs correcting. Picture 4 A: A B: B C: C D: D 15 Choose the word whose underlined part is pronounced differently from the others. A: hooked B: satisfied C: bored D: socialized
mọi người giải phụ mình ba câu náy đc ko càm ơn mn
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