第三代试管婴儿技术也称胚胎植入前遗f学诊断，指在胚胎移植前，取胚胎细胞的遗传物质进行分析，筛选出健康胚胎进行移植的方法．下列有关说法错误的是（　　）

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：没有收件人，亦不标注发件人，写下你的心事，点击“扔瓶子”后，瓶子就会从“海滩”离开，漂向远方。远方捡到“瓶子”的那个有缘人，会为你解忧……最近，几个著名网络社区，几乎都推出了“漂流瓶”这一新栏目。

材料二：为发泄情绪，35岁的男子李某向随意编写的数十个手机号码发送“今晚炸首都机场”的恐怖短信，经接信人报警，李某最终被抓获。李某因编造、故意传播虚假恐怖信息罪接受法院审理。