Even though vaccination (接种疫苗) is a powerful defense against disease, some voices are against it.

13. Why does the author mention the measles cases?
A. To declare measles can be prevented,
B. To show the result of anti-vaccination.
C. To prove some countries refuse vaccination.
D. To explain the reason for avoiding vaccination.
14. Which of the following play an important role in the anti- vaccination movement?
A. The costs of vaccination. B. The social media platforms.
C. The concerns of vaccine safety. D. The articles about autism.
15. Where is this text most likely from?
A. A novel. B. A brochure.
C. A diary. D. A magazine.
【答案】12. A    13. B    14. C    15. D
【解析】
本文是一篇说明文。文章主要介绍了由于反疫苗运动导致了疫苗可预防的疾病正在大量增加。
【12题详解】
细节理解题。根据文章第一段In a recent letter, the American Medical Association (AMA) urged big social media including Amazon, Facebook and Google to take action to defend medical science on their platforms. 在最近的一封信中，美国医学协会(AMA)敦促包括亚马逊、Facebook和谷歌在内的大型社交媒体采取行动，在它们的平台上捍卫医学科学，其目的是为了停止疫苗的错误信息。故选A，
【13题详解】
推理判断题。根据文章第二段It said that vaccine -preventable diseases that do harm to the public health like measles (麻疹) are on the rise. Measles cases worldwide jumped more than 30% in 2017 compared to 2016, with the largest increases seen among nations in the Americas, Europe and the Eastern Mediterranean.可知，疫苗可预防的疾病麻疹正在急剧上升，从而推断出，作者提到麻疹病例上升，是为了显示反疫苗接种所带来的结果。故选B。
【14题详解】
推理判断题。根据文章最后一段So access to true information about vaccine safety is badly needed.可知，反疫苗运动的主要原因在于人们对疫苗的安全存在担忧。故选C。
【15题详解】
推理判断题。文章主要介绍了由于反疫苗运动导致了疫苗可预防的疾病正在大量增加。所以可以推测，文章最有可能选自一本杂志。故选D。