D) There are various ways to protect it.

　　27. A) It may make the wearer feel tired.

　　B) It will gradually weaken the eyes of adults.

　　C) It can lead to the loss of vision in children.

　　D) It can permanently change the eye structure.

　　28. A) It can never be done even with high technology.

　　B) It is the best way to restore damaged eyesight.

　　C)It is a major achievement in eye surgery.

　　D) It can only be partly accomplished now.

　　Passage Two Questions 29 to 31 are based on the passage you have just heard.

　　29. A) They think they should follow the current trend.

　　B) Nursing homes are well-equipped and convenient.

　　C) Adult day-care centers are easily accessible.

　　D) They have jobs and other commitments.

　　30. A) They dont want to use up all their life savings.

　　B) They fear they will regret it afterwards.

　　C) They would like to spend more time with them.

　　D) They dont want to see their husbands poorly treated.

　　31. A) Provide professional standard care.

　　B) Be affectionate and cooperative.

　　C) Be frank and seek help from others.

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