缺词填空
In most situations, light helps us see. But nowadays humans are using so much that it is in fact a kind of pollution.
When it comes to looking at the night sky, too much light makes it d 小题1: for us to watch some of life’s most wonderful views: stars, p 小题2: and even galaxies(星系).
According to scientific research, about 2, 500 stars can be seen by the human eye without u 小题3: any special equipment(设备). But because of light pollution, you can only see 200 to 300 stars from today’s countryside, and no more than ten stars from a city. In most big c 小题4:, people cannot see the sky filled with stars like they did in their childhood.
Light pollution affects more than just our view of sky. Research s 小题5: that lots of nighttime light can harm wildlife, too.
When birds fly to a 小题6: place over cities, they sometimes get lost by the brightness and fly in circles(圈) u 小题7: they drop from tiredness. Sea turtles need dark beaches for laying eggs, but they can’t find their ideal places because of those bright lights.
Too much light at night m 小题8: even affect human health, but scientists are not sure of that. They are still learning more.
In order to prevent things from going w 小题9:, governments and some organizations are working to reduce light pollution. Many cities and towns have taken action to reduce the use of lights at night. Lights are used only when and where they are r 小题10: needed.
Hopefully, in the near future, humans can enjoy the clear and beautiful sky again and all the wildlife will live a peaceful and undisturbed life, too.
小题1:difficult
小题2:planets
小题3:using
小题4:cities
小题5:shows
小题6:another
小题7:until
小题8:may
小题9:worse
小题10:really
题目分析：这篇短文主要介绍了光污染。随着人类生活的进步，太多的灯光也成为了一种污染。本文详细的介绍了灯光污染的危害，并提出了相应的建议。
小题1:联系下文描述，可知此处指的是让我们很难看见一些生活中最精彩的景色，结合首字母可知填形容词difficult，困难的，做宾语补足语。
小题2:联系上下文，可知此处指的是行星，星球，故填复数名词planets。
小题3:联系下文，可知此处指的是用任何特殊的设备。Without是介词，后面接名词或者动名词做宾语，结合首字母可知填动名词using，用，作宾语。
小题4:联系上下文，可知此处指的是大城市，结合首字母可知填复数名词cities，城市。
小题5:句意：研究表明夜间的灯光也能伤害野生动物。结合语境可知本句描述的是客观性动作，故用一般现在时态。主语research是抽象名词，不可数，故谓语动词用单数。填：shows，显示，说明。
小题6:联系下文，可知此处指的是当一只鸟越过城市飞到另一个地方时……，结合首字母可知填不定代词another，多个中的另一个。
小题7:联系下文，可知指的是他们绕圈飞行直到他们累得落下来，结合首字母可知填连词until，直到。
小题8:联系上文描述，可知晚上太多的光线甚至也可以影响人类的健康，结合首字母可知填情态动词may，可以，可能。
小题9:联系上文描述，可知此处指的是为了防止事情变得更糟，故填bad的比较级worse，更坏的，作表语。
小题10:联系上文描述，可知此处指的是真正需要的时候，结合首字母可知填副词really，真正地，作状语。
点评：首字母一直是英语考试中的难点，得分率比较低。解答此类题型的方法一般就是根据文章前后句子之间意思推断出词义，并结合首字母推断出所缺单词，然后根据该单词在句子中的句子成分，所起作用，确定单词词形，进行适当词形变化。