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sangcodong123
2 năm trước
Dẫn hh 2 khí C2H2 và CH4 qua dd Br2 dư thấy cks 12g Br2 tham gia pứ sau khi pứ kết thúc thấy có 1,12 lít khí thoát ra .Tính%theo thể tích các khí trong hh dầu
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8. Choose the underlined words or phrases (A, B, C or D) that are incorrect in standard English Talking (A) to (B) friends are (C) very interesting (D) 9. My mother made____________ dresses for me when I was a child. A. much B. a lot C. little D. lots of 10. Mai never eat grapes and ____________ Lan. A. so does B. neither does C. either does D. too does 11. How many is it from your house to the stadium? About 500 meters. A B C D 12. Nick: “Can I ask you some questions about your favorite festival?” Mary: “ ____________ ” A. Yes, of course. B. Yes, let’s. C. Yes, thank you. D. Yes, that’s 13. A:“How about cycling to the cinema with me tomorrow ? ”- B “__________ ” A. I’m sorry ,I can B. No, thanks C. You’re right D. Great idea 14. Last night, I didn’t go to bed early _______ being very tired. A. despite B. in spite C. although D. because of 15. Although the film was a bit __________, I really enjoy it. A. frighten B. frightened C. fright D. frightening

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