在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密，每处不超过15个字。

雾霾中含有大量悬浮颗粒物，①____。主要表现为：悬浮颗粒物进入呼吸道损害肺部，而且通过血液循环破坏身体其它器官。5微米粒径的颗粒物可以进入呼吸道的深部，2微米粒径以下的颗粒物几乎可以全部深入到细支气管和肺泡，并通过血氧交换进入血液中，影响肺、心脏等。因此，②____。另外，随着含有多种致病微生物的悬浮颗粒物吸入增多，有害颗粒物就会伤害肺部，导致人体呼吸系统以至内分泌系统、血液循环系统等患病。从上可知，③____，可能会首先诱发呼吸道疾病，进而导致全身性疾病。

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！