It’s time to put down your phone.

Researchers from the Buck Institute in California have found that eye damage(损害) caused by too much screen time can harm other important organs and even make you die earlier. Professor Pankaj Kapahi, Ph.D., and Brian Hodge, Ph.D. published their findings in the Nature Communications, telling us the severity(严重性) of eye damage.

“Our study shows that this is a big problem: eye damage may actually lead to problems in other organs,” Kapahi said. He and Hodge studied the patterns of fruit flies and found that overexposure(过度接触) to light in the eyes can cause or worsen chronic disease(慢性病). Further research found that fruit flies that were completely in darkness lived longer than those that were not.

Too much time spent in front of a screen can harm your health. “The discovery that the eye itself, at least in the fruit fly, can directly change life came as a surprise to us,” Hodge said. “Looking at computer and phone screens and being exposed to light pollution late into the night are especially bad for us,” Kapahi explained. “It messes up eye protection, damaging the rest of the body and the brain.”

These findings are very concerning because screen time has increased fast for many because of COVID-19. Parents reported that children’s screen time increased from 0.75 hours to 6.5 hours a day due to online classes.

“We always think of the eye as something that serves us. We don’t think of it as something that needs to be protected,” Kapahi noted.

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1.How did Kapahi know the severity of eye damage?

A By asking people questions about light.

B By watching programs about light.

C By reading books about sleep.

D By studying fruit flies.

解析：选D。D细节理解题。根据第三段第二句“He and Hodge studied the patterns of fruit flies and found that overexposure to light in the eyes can cause or worsen chronic disease.”可知，Kapahi和Hodge通过研究果蝇的形态，发现眼睛过度暴露在光线下会导致或加重慢性疾病。故选D。

2.How did Hodge feel after knowing that the eye can directly change life?

A Angry.

B Glad.

C Amazed.

D Worried.

解析：选C。C推理判断题。根据第四段第二句“The discovery that the eye itself, at least in the fruit fly, can directly change life came as a surprise to us,”可知，眼睛本身可以直接调节寿命的发现让Kapahi和Hodge感到惊讶。故选C。

3.What does the underlined word “concerning” in paragraph 6 mean?

A Worrying.

B Satisfying.

C Exciting.

D Disappointing.

解析：选A。A词义猜测题。根据前面提到的眼睛过度暴露在光线下的危害以及划线部分后面的“because screen time has increased fast for many because of COVID-19.”可知，自新冠肺炎爆发以来，许多人的屏幕时间急剧增加，因此这些发现是令人担忧的。故选A。

4.What made kids’ screen time increase?

A Educational stories.

B Wonderful music.

C Online classes.

D Interesting games.

解析：选C。C细节理解题。根据倒数第二段第二句“Parents reported that children’s screen time increased from 0.75 hours to 6.5 hours a day due to online classes.”可知，因为要看网课，孩子每天的屏幕时间从0.75小时增加到6.5小时。故选C。

5.What is the passage mainly about?

A Too much light isn’t bad for our health.

B Children’s screen time increased last year.

C We need to protect our eyes during sleep.

D Eye damage from long screen time can be harmful.

解析：选D。D主旨大意题。通读全文可知，本文描述了长时间看屏幕对眼睛的伤害以及因此而造成的健康伤害。故选D。