ABC vuông tại A có AB bằng 9 cm BC = 12 cm và đường mình và đường phân giác BD Tính dộ dai da dc

So sánh A và B trong mỗi trường hợp sau: a. A= $\frac{-2012}{4025}$ B= $\frac{-1999}{3997}$ b. A=3^21 B=2^31 c. A= $\frac{2011}{1.2}$ +$\frac{2011}{3.4}$ +$\frac{2011}{5.6}$ +....+$\frac{2011}{1999.2000}$ B= $\frac{2012}{1001}$ + $\frac{2012}{1002}$ +$\frac{2012}{1003}$ +....+$\frac{2012}{2000}$ Các bận giúp mình với ạ

Mình đang cần gấp giúp mình với

Cho 1.35g nhôm tác dụng vừa đủ với 19.05g halogen. Tìm tên halogen đó

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

YÊU CẦU ĐÚNG HẾT NHA AI KO LÀM ĐƯỢC THÌ ĐỪNG LÀM :D 1- Decide whether the following sentence is Correct or Incorrect in terms of grammar: John can't get tickets despite he has queued for an hour. * A. Correct B. Incorrect 2-Decide whether the following sentence is Correct or Incorrect in terms of grammar: The ending of the film is predictable. However, I enjoyed it. * A. Correct B. Incorrect 3-Decide whether the following sentence is Correct or Incorrect in terms of grammar: Although her good salary, she gave up her job. * A. Correct B. Incorrect 4-Decide whether the following sentence is Correct or Incorrect in terms of grammar: I don't really like the film although most critics say it is a must-see film. * A. Correct B. Incorrect 5-Decide whether the following sentence is Correct or Incorrect in terms of grammar: In spite of it is a comedy, I don't find it funny. * A. Correct B. Incorrect 6-Choose the best answer to complete the following sentence: It’s raining hard, _____ we can’t go to the beach. * A. or B. but C. so D. though 7--Choose the best answer to complete the following sentence: Nam was absent from class yesterday ____ he felt sick. * 1 điểm A. so B. because C. although D. but 8--Choose the best answer to complete the following sentence: Tom has a computer, _____ he doesn’t use it. * A. or B. as C. because D. but 9--Choose the best answer to complete the following sentence: The film was boring, ____ we went home. * A. so B. when C. but D. if 10--Choose the best answer to complete the following sentence: Let's go to the Victor Cinema. I'm sure you'll find the film__________. * A. excites B. excite C. excited D. exciting

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

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 10 Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 11. My mother usually spends her free time looking after her cats. A: looking at B: taking after C: taking over D: taking care of

Bài 1: Hãy chỉ ra câu nghi vấn của khổ cuối bài Ông đồ và nêu công dụng của câu nghi vấn đó. Bài 2: Em hãy giới thiệu vè ngôi trường em đang học .

Dấu hiệu quan trọng nhất đánh dấu sự dậy thì ở bé trai? A: Xuất tinh lần đầu. B: Cơ bắp phát triển. C: Tuyến mồ hôi và tuyến nhờn phát triển. D: Vỡ tiếng, giọng ồm.