阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的词或使用括号中词语的正确形式填空。

      We can use cameras to take photos. Can cats do it? Believe it or not, there is a cat that can use cameras ____ (take) photos. Read on and find out more information.

      The name ____ the cat is Cooper. He is a five-year-old cat and he ____ (live) in Seattle, America. He is very special because he is the only cat who has his own camera.

      At the ____ (begin), Cooper's owner puts a camera on his neck. He just wants to learn about the ____ (cat) life from the camera.

      When Copper ____ (bring) the camera home at the end of the first day, the photos that he took surprised his owner. Many ____ (beauty) pictures filled Cooper's day.

      It is ____ (real) interesting to be able to see the world from a cat's eye. Cooper's owner says that these photos let people see into a cat's world, ____ also help them to learn more about their pets.

       Cooper now has more than 12,000 fans on ____ Internet and has even made TV shows in America.

阅读下列材料：

材料一 ： 为了有计划地进行社会主义建设，我国政府编制了发展国民经济的第一个五年计划。它的基本任务是：集中主要力量发展重工业，建立国家工业化和国防现代化的初步基础；相应地发展交通运输业、轻工业、农业和商业；相应地培养建设人才。

材料二 ：（1992年的深圳）仙湖植物园里植物千姿百态。有一种树叫“发财树”……小平同志（观赏后）深情地说：“让全国人民都种，让全国人民都发财。”

请回答：

下列问题不属于环境问题的是（     ）