Paleoanthropologist Russell Ciochon, the US co-author at the University of lowa, said the panda’s focus on bamboo could have helped it survive all these years.
“Once an animal begins to rely on a common and stable food source, such as bamboo, it tends to evolve a larger body size,” he said. “As individuals of the evolving species grow bigger, they have a better chance not to be eaten by predators (肉食动物) due to their larger body size.”
1. According to the research of the CAS , there were most pandas in the world
.
A. 2 million years ago
B. between 2.4 and 2 million years ago
C. 500,000 years ago
D. Nowadays
答案解析:答案为C。本题为细节题。第四段提到了CAS,接下来一段提到 “Researchers knew the panda reached its maximum size about 500,000 years ago, when it peaked ...”可知熊猫的体型最大的时候也是数量达到顶峰的时候是在500,000 年以前。故答案为C。
2. The underlined word “variation” in para 6 means
.
A. fall
B. change
C. increase
D. decrease
答案解析:答案为B。本题为词义推断题。结合划线部分所在的上下文,第五段和第七段提到了“maximum size”、“became smaller”与“grow bigger”,可以推断“size variation”就是体型变化,故答案为B。
【2017届高考英语一轮复习阅读理解训练 (7)】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 (67)
★ 2017届四川省郫县高考英语一轮复习阅读理解训练:7(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (60)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (79)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (34)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (53)
★ 2017届吉林省舒兰市高考英语一轮复习阅读理解训练:7(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (65)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (57)
★ 2017届四川省梓潼县高考英语一轮复习阅读理解训练:7(含解析)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21