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Nguyenducduong
2 năm trước
cho sơ đồ phản ứng A>B+C B+H2O>D D+C>A+H2O cho hợp chất A chứa 3 nguyên tố ,Ca, C,O với tỉ lệ khối lượng là 40%Ca, 12%C, 48% O. Xác định công thức của hợp chất
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1.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 2.Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. “My favorite leisure activity is people watching.” “_______” A:OK. That’s very kind of you B:Sure. It’s very entertaining. C:That’s all right. D:That sounds so weird! 3.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:weird B:virtual C:domestic D:beloved 4.Choose the underlined part A, B, C or D that needs correcting. Although she wanted to go to the museum, she decided staying at home. A:Although B:wanted to go C:decided D:staying 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 lie about the time they spent online B:to use the Internet in the morning C:to spend more time on the Internet D:to spend less time on the Internet 6.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:model making B:woodcarving C:bird watching D:pottery making 7.Choose the word whose stressed pattern is pronounced differently from the others. A:teenager B:event C:relax D:adore 8.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:IAS B:the Internet C:computer D:dream

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