题目内容
17.New research shows that sheep are cleverPeople often make jokes about how dull sheep are,but new research shows they may be cleverer than we think.Researchers at the University of Cambridge discovered that Welsh mountain sheep have brainpower that equals rodents (啮齿动物).Tests found that the sheep can map the area they live in,and some may even be able to plan ahead.
Young fish prefer noisy neighbors
A new study has shown that young fish like to live on reefs with noisy neighbors!Researchers from the universities of Auckland and Bristol found that young fish looking for a home choose areas where other noisy fish live.The scientists produced all kinds of sounds which had been recorded in different natural environments.The young fish seemed to prefer the sounds of natural reefs,complete with noisy animals!The scientists compared the choice to a music fan wandering around at a music festival,choosing to set up a tent closest to the music they like best!
Butterflies are disappearing
A new study has shown that 17species of butterflies found in Europe have dropped by 70% in the last 20years.The information collected from 3,000sites across 15countries shows it may be caused by the loss of grasslands covered with flowers.You can encourage butterflies to come into your garden by planting flowers.
21.According to the first paragraph,we may infer that sheepB.
A.are less clever than rodents
B.can find their home
C.can read maps
D.are good planners
22.When young fish are looking for a home,they like toA.
A.live in a noisy environment
B.live in areas close to their parents
C.choose the reefs which are quiet
D.choose otherkinds of fish as neighbors
23.Which seems to have to do with the number of butterflies?C
A.The species of grass in grasslands.
B.The species of trees in grasslands.
C.The number of flowers in grasslands.
D.The number of animals in grasslands.
分析 本文是一篇科教类阅读,这篇文章主要讲了关于一些动物的最新研究发现.
解答 21-23:B A C
21题答案:B考查细节推理,根据文章第二段的Tests found that the sheep can map the area they live in,and some may even be able to plan ahead.测试发现羊能绘出它们生活地区的地图,还有一些甚至能提前计划. 可知本题答案为B选项.
22题答案:A考查细节推理,根据文章第三段的Researchers from the universities of Auckland and Bristol found that young fish looking for a home choose areas where other noisy fish live.来自奥克兰大及布里斯托尔大学的研究者发现年轻的鱼在寻找家的时候会选择其它嘈杂的与生活的地方.可知本题答案为A选项.
23题答案:C考查细节推理,根据文章最后一段的The information collected from 3,000 sites across 15 countries shows it may be caused by the loss (减少) of grasslands covered with flowers.You can encourage butterflies to come into your garden by planting flowers.收集自15个国家3000个地方的信息表明这(蝴蝶数量减少)有可能是由覆盖着鲜花的草地的减少所造成的.你可以鼓励通过种花来促使蝴蝶进入你的花园.可知本题答案为C选项.
点评 要想答好题目,重在理解全文意思.这篇文章非常简单,先看问题,再带着问题读短文,找出各段落的主旨句,理解全文内容,总结全文中心,然后再回到问题上来,很容易选出正确答案.