Question

【题目】

A. electric B. amount C. all the way D. turn down E. turn on

Our eyes need light to see. When we walk into the sun,【1】 a lamp, or look at a screen, light enters our eyes. There are many kinds of it. Some are visible, and some are not. Visible light comes in several different colors. Each color has a different【2】 of energy.

Blue light has the most energy, and it is everywhere. Of course, you can see it in the sky, but it is also common in【3】 lights. Computers, TVs, and phones all produce lots of blue light, too.

Our eyes are bad at blocking blue light because it is very strong. It can reach 【4】 to the backs of our eyes. That is a problem because too much blue light causes damage.

Answer 1

【答案】

【1】E

【2】B

【3】A

【4】C

【解析】

短文主要介绍与光有关的问题。

【1】句意：当我们走进太阳，打开灯，或者看着屏幕，光就会进入我们的眼睛。

分析从句，or或者，是并列连词；根据“we walk into the sun”和“look at a screen”可知，动词皆为原形，故空格处应是动词原形；turn on打开，符合句意。故选E。

【2】句意：每种颜色都有不同的能量。

a different amount of不同数量的，修饰不可数名词；energy能量，不可数名词。故选B。

【3】句意：当然，你可以在天上看到它，但在电灯中也很常见。

lights灯，名词，故空格处应是形容词，作定语；electric电的，形容词；electric lights电灯。故选A。

【4】句意：它可以一直延伸到我们的眼睛后面。

根据前句Our eyes are bad at blocking blue light because it is very strong.可知，蓝光很强。此句进一步说明蓝光的强度，它可以一直延伸到我们的眼睛后面。all the way一直，符合句意。故选C。