下图中的内容对我们有诱惑，下面关于我们身边的不良诱惑的说法中，正确的是（   ）

①我们身边的不良诱惑有“黄、赌、毒”等，这些诱惑对个的成长和社会的进步产生不利影响

②吸毒会摧残身心健康，不危害社会治安

③赌博是一种不正当的娱乐，是一种恶习

④“黄、赌、毒”等威胁人民生命财产安全和社会安定

Mr. Smith didn't go to the movie. He went swimming, ________.

根据句意和汉语注释，写出单词的正确形式。
(1)The ____  （建议）they have offered us are very useful, we should take them.
(2)Beijing is the capital of China, it is also the ____ （文化）center of China.
(3)Tonight, they are going to celebrate their father's ____  (四十) birthday.
(4)How beautiful those circles on those ____  (蝴蝶)wings are!