总结：做阅读理解时大家需要牢牢抓住文章的中心或核心词，只要被选项中有核心内容的出现就可以推测为正确答案！
4. How does light pollution affect wildlife? Which of the following is NOT correct?
A . Animals may go off course due to the attraction of artificial lights
由于受到人造光的吸引，动物们可能偏离航向．
B . Animals might be attracted by artificial lights to go into cities．
动物们可能会受到人造光的吸引而进入城市
C. Artificial lights at night may make migrating birds lose their way．
夜间的人造光可能会使迁徙的鸟类们迷路
D Attracted by artificial lights，birds fly into lighted buildings．
由于受到人造光的吸引，鸟类飞进有光的建筑物里。
分析：题目是说：光污染是如何影响野生动物？下列哪个说法不正确？
关键词就是wildlife，在最后一段里，可以找到内容：
Light pollution doesn’t only affect star visibility．It can harm wildlife too．It’s clear that artificial light call attract animals，making them go off course”（答案A）．There’s increasing evidence．For example， that migrating birds use sunsets and sunrises to help find their way， says Sydney Gauthreaus Jr.， a scientist at Clemson University in South Carolina．“When light occurs at night，” he says， “it has a very disruptive（破坏性的） influence（答案C）．”Sometimes birds fly into lighted towers（答案D），high rises，and cables from radio and televisioll towers．Experts estimate that millions of birds die this way every year.
所以，答案B并未提到。
5．Which of the following is closest(最接近的) in meaning（意思） to the title"Light Night，Dark Stars"?
A. The night sky is light colored and stars are black夜空是浅色的而星星是黑色的．
B. Lights appear at night and stars are seen in the dark
光显现在夜晚而在黑暗中人们看见星星．
C. Cities lights illunfinate the night sky and make stars invisible
城市的灯光照亮了夜空而使得星星已经无法看见．
D City lights at night illuminate stars in the sky．
夜晚的城市的灯光照亮了天空中的星星。
分析：本题是唯一的一道主旨题，所以需要纵观全文。通过我们对前4题的解答，完全可以判断出文章的主题就是说：由于不断扩大的城市，越来越多的城市灯光，已经成为一种污染，使得天空中的星星黯然失色，所以答案就是C.