江苏省常熟市2017高考英语阅读理解暑假练习（2）及答案

　　较难题目特训：科普知识类

　　A new argument has been put forward as to whether penguins are disturbed by the presence of tourists in Antarctica.

　　Previous research by scientists from Keil University in Germany monitored Adelie penguins and noted that the birds’ heart rates increased dramatically at the sight of a human as far as 30 meters away. But new research using an artificial egg, which is equipped to measure heart rates, disputes this. Scientists from the Scott Polar Research Institute at Cambridge say that a slow moving human who does not approach the nest too closely, is not viewed as a threat by penguins.

　　The earlier findings have been used to partly explain the 20 per cent drop in populations of certain types of penguins near tourist sites. However, tour operators have continued to insist that their activities do not adversely affect wildlife in Antarctica, saying they encourage non-disruptive behavior in tourists, and that the decline in penguin numbers is caused by other factors.

　　Amanda Nimon of the Scott Polar Research Institute spent three southern hemisphere summers at Cuverville Island in Antarctica studying penguin behavior towards humans. “A nesting penguin will react very differently to a person rapidly and closely approaching the nest,” says Nimon. “First they exhibit large and prolonged heart rate changes and then they often flee the nest leaving it open for predators (掠夺者) to fly in and remove eggs or chicks.”　The artificial egg, specially for the project, monitored both the parent who had been ‘disturbed’ when the egg was placed in the nest and the other parent as they both took it in turns to guard the nest.

【2017届江苏省常熟市高三英语阅读理解训练（2）及答案】相关文章：

★ 山西省永济市涑北中学高三英语总复习：美文欣赏（2）（You Are My Life）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (12)

★ 河南省三门峡市2014高考英语一轮（暑假）基础训练（11）附答案

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（12）含答案

★ 辽宁省辽阳市2014高考英语单项选择一轮（暑假）训练（5）附答案

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（17）及答案

★ 常熟市2014高考英阅读理解语一轮（暑假）训练题（10）及答案

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（32）附答案

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（17）含答案

★ 湖南省岳阳市2014高考英语一轮单项选择训练题（1）及答案