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overcrowded place for emergency. [答案 ] 聽(tīng)第 10 段材料,回答第 17~ 20 題。 17. How many benefits of studying 顯示原文 隱藏原文 online does the passage talk about? A. Two. B. Three. C. Four. [答案 ] 18. What is the disadvantage of studying online mentioned in the passage? A. Lack of discussion with classmates. B. Lack of chances to experience a new culture. C. Lack of human interaction. [答案 ] 19. What can you do if you go abroad for further study? A. Know more about a new culture. B. Learn more technological knowledge. C. Receive better instruction from teachers. [答案 ] 20. What is not the disadvantage of going abroad? A. It’ s too expensive. B. It’ s difficult to adapt to a new environment. C. It’ s hard to get along with foreign classmates. [答案 ]