生物小组探究了家鸽的外部形态和内部结构，请至少写出五条家鸽适应飞翔生活的特点。

①                                                                   ；②                                                                   ；③                                                                   ；④                                                                   ；⑤                                                                   。    

涂料饰面的特点包括；色彩丰富、质感逼真、附着力强、施工方便、省时省料、功效高、工期短、造价低与（）等优点。

A.维修方便

B.色泽光亮

C.经久耐用

D.质感细腻