A. packing is actually useless and could be ignored B. people will soon stop using packaging altogether C. enough research has been done into recycling D. it is better to produce new materials than to re-use old ones 参考答案:A 答案解析:主旨题。本题考查全文的主旨:过度包装是浪费资源也污染环境的事情,所以应该考虑回收再利用一些原材料,而不是使用一次就丢弃。选项A)正符合此意。而且,选项B)与第四自然段第二句后半部分相矛盾,C)和D)则