Question

【题目】

A. feet B. mood C. blind D. prevent E. protect

The most harmful blue light comes from screens. Looking at them too much gives you eye strain. Blue light from screens also affects your sleep. Your body thinks you are looking at the sun all the time. So, it stops creating the chemical that makes you sleepy. Too much blue light can even make you【1】.

We can’t avoid all blue light, and we wouldn’t want to. It keeps us in a good【2】 during the day. However, we can 【3】 our sight from it. There are special glasses and apps that block blue light. They are very helpful.

Also, try following the 20-20-20 rule. Every 20 minutes, look at something 20 【4】 away. Do that for 20 seconds each time. It gives your eyes the rest that they need.

Answer 1

【答案】

【1】C

【2】B

【3】E

【4】A

【解析】

短文主要介绍有关蓝光的问题。

【1】句意：太多的蓝光甚至会让你失明。

make sb. +adj. 使某人怎么样；blind失明的，形容词，符合语境。故选C。

【2】句意：它让我们白天心情好。

a一个，修饰可数名词单数；mood心情，可数名词；in a good mood心情好。故选B。

【3】句意：然而，我们可以保护我们的视力不受它（蓝光）的影响。

protect…from…表示“保护……不受……侵害”，固定搭配。故选E。

【4】句意：每隔20分钟，看看20英尺远的东西。

away意思是“远离”，可用于一段距离后面，表示有多远；20 feet away表示“二十英尺远”。故选A。