下列说法错误的是（   ）

用方框中所给单词的适当形式填空，使对话通顺、正确。每词仅用一次（每空一词）。

Marie：Roy and Carla, what are your ideas for solving these pollution problems？

Roy：To cut down air pollution，we should take the bus or subway instead of   ____ 

Carla：Yeah, or ride a bike. There are other advantages of bike riding. It's good for health and it doesn't____   much！

Marie：Great ideas！What about waste pollution?

Carla：Mmm, I thank simple things like bringing a bag to go shopping can help. I started doing that a year ago.

Roy：Me，too. Also I never take wooden chopsticks or plastic____ when I buy takeaway food. I use the ones at home．

Carla：And remember to throw rubbish in the bins and keep____ places clean and beautiful for everyone·

Marie：So together, our actions can make a____ and lead to a better future！

阅读材料，回答问题

材料一：目前，中学生较为普遍地存在着一种心理冷漠化的现象。不少中学生感叹“情感失落”——“在学校，课间十分钟最短暂；回到家，手机最亲切。”“爸妈问话不耐烦，只愿低头玩手机。”“网上聊天好惬意，身旁难得一知己”诸如此类的校园民谣，如今正在学生中间流行着。

材料二：首都师大心理咨询中心调查显示：77%的人每天开机12小时以上， 33%的人24小时开机，65%的人表示“如果手机不在身边会有些焦虑”，超过九成的人离不开手机。其中，学生族和上班族是对手机最依赖的人群。