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chip2501
2 năm trước
Câu 16. Hoàn thành các PTHH của các phản ứng sau: a. C6H5CH3 + Br2 --to-----> b. C6H5CH3 + Br2 --fe,to---> c. C6H5CH3 + HNO3(đặc) --h2so4đ,to---> d. C6H5CH=CH2 + Br2 -----> e. C6H5CH=CH2 + HBr -----> e. nC6H5CH=CH2 ---p,xt,to-->
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IV. Choose the letter A, B, C or D to answer these following questions Nha Trang Carnival –Exciting Times in June!Join the opening ceremony –an impressive show giving the history of Nha Trang, a city with a good climate provided by nature. Then comes the firework display, which lights up the whole city, followed by the street carnival the next morning. You will also like various traditional, musical performances by the Viet, the Cham, and other ethnic peoples, in addition to performances of songs about the sea. The following day brings the excitement of sea swimming, yachting, boating, and wind-surfing events. When the night falls, the public dances begin –you are welcome to join in! Don’t miss this colorful mix of cultures! Question 16: What is showed in the opening ceremony? A. the history of Nha Trang B. the scenery of Nha Trang C. the music of Nha Trang D. the anniversary of Nha Trang Question 17: What is showed after the opening ceremony? A. an art gallery B. a book fair C. a firework display D. a modern dance Question 18: When is street carnival held? A. the next morning B. the next afternoon C. the next month D. the next year Question 19: Are there any music performances? A. Yes, there are B. No, there aren’t Question 20: What can we do when the night falls? A. go dancing B. come home C. have picnic D. get around

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