Herzog admits that he himself is a pet owner and pet lover. “I’m not trying to denigrate (贬低)the role of animals in human life. I’m trying to do just the opposite,” he says. “It’s entirely reasonable that our pets really do provide medical and psychological benefits, but we just don’t know how strong that effect is and what types of people it works for”. Herzog notes that Americans with Disabilities Act had to be changed in order to clarify the fact that only trained dogs and small horses that perform a specific service function could legally qualify as service animals.

　　Herzog points our that the scientific community is starting to take these issues seriously,. In2008, the National Institutes of Health began a program to fund studies that examine the medical and psychological benefits of pets on children Herzog is encouraged that psychological scientists are really becoming involved in this research: “I think in five years we’re going to have some answers to our questions”.

　　12．Why does the author mention the question in paragraph I?

　　A．To express the author’s doubts.

　　B．To compare different ideas.

　　C．To describe people’s opinions of pets

　　D．To introduce the topic for discussion.

　　13．What does the underlined word “these” in Paragraph 2 probably refer to?

　　A．Conflicting results

【山西省2017高考英语二轮复习专题训练：阅读理解（9）】相关文章：

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (14)

★ 北京市2014高考英语一轮复习 练习手册（40）选修8 Unit 5 Meeting your ancestors（含解析）新人教版

★ 2017届高考英语二轮复习课时训练：20（含解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (97)

★ 山西省永济市涑北中学高三英语总复习：美文欣赏（2）（The Real Courage）

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（9）及答案

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第6组（含解析）

★ 四川省广安市2014高考英语一轮基础训练题（4）及答案

★ 北京市2014高考英语一轮复习 练习手册（19）必修4 Unit 4 Body language（含解析）新人教版

★ 四川省广安市2014高考英语一轮基础训练题（8）及答案