题目

1．A v________ collection of painting is on show. 2．A good r________ between parents may have a good effect on their children. 3．He will be p________ for speedy driving one day. 4．The visitors are f________ to touch the exhibits and take photos in the museum. 5．It's harmful to smoke，especially for the t________ who are still growing. 答案：1.valuable　2.relationship　3.punished 4．forbidden　5.teenagers

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