Một người nhìn rõ những vật cách mắt từ 15 cm đến 60 cm. Mắt người này bị tật gì? Để khắc phục tật này thì người này phải đeo kính là thấu kính hội tụ hay thấu kính phân kì? Kính đeo thích hợp có tiêu cự bao nhiêu? Giải thích vì sao. Hãy nêu hai biện pháp cụ thể để hạn chế bị tật về mắt.
mn hãy lấy 2t ấm này và vẽ nó trở thành 1 cặp bạn thân đi
1. He sent a letter to his penpal last week. ........................................................................................................................................... ........................................................................................................................................... 2. She taught us English last year. ........................................................................................................................................... ........................................................................................................................................... 3. They did their homework carefully. ........................................................................................................................................... ........................................................................................................................................... 4. The Robinsons bought a lot of souvenirs. ........................................................................................................................................... ........................................................................................................................................... 5. Tourist ate seafood at that famous restaurant. ........................................................................................................................................... ........................................................................................................................................... 6. The teacher gave her students a lot of homeworks. ........................................................................................................................................... ........................................................................................................................................... 7. His uncle took him to se Cham temple. ........................................................................................................................................... ........................................................................................................................................... 8. Liz bought a lot of souvenirs. ........................................................................................................................................... ........................................................................................................................................... 9. They put the fish in a big bag. ........................................................................................................................................... ........................................................................................................................................... 10. Ba wore the cap with a dolphin on it. ......................................................................................................................................... Viết các câu hỏi với Từ Did Did.?, Và đưa ra câu trả lời với Có Có / Không:
5 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. Internet addicts find it hard ___________. A: to use the Internet in the morning B: to spend more time on the Internet C: to lie about the time they spent online D: to spend less time on the Internet 6 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. The word ‘it’ in paragraph 2 refers to ___________. A: dream B: computer C: the Internet D: IAS 7 Choose the sentence so that it has similar meaning to the first one. Question 25. DIY skills aren’t as hard to learn as I think. A: DIY skills are easier to learn than I think. B: DIY skills are easier to learn. C: DIY skills are easier to learn as I think. D: I think DIY skills are easier to learn. 8 Choose the best answer a, b, c or d to complete the sentence. Question 7. On YouTube you can find many videos on _______ all aspects of your English. A: improving B: working C: surfing D: taking 9 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. What is the best title of the passage? A: Hooked on the Net B: Impact of Internet on teens C: The advantage of the Internet D: A guide to the Internet
Viết một đoạn văn khoảng 7-10 dòng về câu nói sau thanh niên cần phải làm gì để thể hiện lòng yêu nước
Tả quang cảnh ra chơi ở sân trường em, Thân bài chia thành 3 đoạn: đoạn 1) trc giờ ra chơi , đoạn 2)) trong giờ ra chs, đoạn 3) sau giờ ra chơi. Giúp mik với nha!:3 Hiện tại mik đang k có ý để viết bài ngày mai phải nộp òii:((
Trong hình vẽ tam giác ABC có AB = 7; AC = 13; BC = 15; B 60 độ a/ Tam giác ABC có phải là tam giác vuông hay không? Vì sao? b/ Tìm trên cạnh BC điểm D sao cho BAD =60 độ .Hỏi tam giác BAD là tam giác gì? Vì sao?Tính BD. c/ Gọi M là trung điểm của BD. Tính MC d/ Chứng minh: tam giác BAM = tam giácDAM e/ Chứng minh: AM vuông góc với BC f/ Tính AM.
Tính bazo tăng dần theo bậc của amin phải ko ạ?
16/ One way of preventing further flooding would be to _______ the river bed. A. deep B. deepen C. deeper D. depth 17/ It is important to educate children before they become sexually _______. A. act B. active C. action D. actor 19/ Now you know all the facts, you can make an informed _______. A. choice B. choose C. chooser D. choosing 20/ The company's new model will be going into _______ early next year. A. produce B. producer C. products D. production 21/ You _______ change trains at Peterborough if you're going to Newcastle. A. could B. should C. did D. would 22/ You _______ have a piece of cake after you've eaten your vegetables! A. can B. could C. shall D. might 23/ If you show the receipt, there _______ to be any difficulty getting your money back. A. shouldn’t B. couldn’t C. didn’t D. oughtn't 24/ They knew there _______ be trouble unless the report was finished by the next day. A. ought to B. should C. would D. must 29/ There are, _______ you don't mind me saying so, one or two problems with this plan. A. if B. provided C. in case D. as long as
Chứng minh lòng yêu nước của dân tộc ta trong thời đại ngày nay
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