	외부지문 리뷰테스트	이름:

Dangers of Blue Light

● 지문을 잘 읽고, 지문의 순서를 올바르게 나열하시오.

Ⓐ You can also have other problems like headaches, poor vision, and dry eyes. Your smart phone sends out blue light, and thanks to this light you can read from the screen even during the daytime.

Ⓑ However, the light confuses your brain, so you think that it is daytime even during the dead of night*. As a result, your brain does not produce enough sleep hormone, and this keeps you from falling asleep.

Ⓒ Do you usually use your smart phone before bed time? If you use it too much at night, you may not fall asleep easily.

Ⓓ To be on the safe side, stop using your smart phone two hours before bedtime. If you have to look at the screen at night, try to filter out blue light in possible ways

* the dead of night 한밤중

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● 지문 속 내용과 일치하면 True, 일치하지 않으면 False에 체크하세요.

1. Blue light from smart phones can cause headaches and poor vision.

□ True                    □ False

2. Using a smart phone before bedtime can make it difficult to fall asleep.

□ True                    □ False

3. Blue light from smart phones confuses the brain and prevents the production of sleep hormone.

□ True                    □ False

4. It is recommended to stop using a smart phone two hours before bedtime.

□ True                    □ False

5. Blue light from smart phones can cause dry eyes.

□ True                    □ False

6. Smart phones only emit blue light during the daytime.

□ True                    □ False

7. Filtering out blue light from a smart phone can help improve sleep quality.

□ True                    □ False

8. Smart phones do not have any negative effects on sleep patterns.

□ True                    □ False

9. Blue light from smart phones can cause headaches.

□ True                    □ False

1. What is the purpose of getting shots?

(A) To make you sick

(B) To protect you from diseases

(C) To give you a whole germ

(D) To hurt you

2. How do shots protect us from diseases?

(A) By giving us a whole germ

(B) By making us sick

(C) By making antibodies

(D) By hurting us

3. What happens when your body responds to the vaccine?

(A) It makes you sick

(B) It fights the disease

(C) It hurts you

(D) It gives you a whole germ

4. What do we call the process of protecting our body from a disease?

(A) Immune system

(B) Vaccine

(C) Antibodies

(D) Germ

5. Why do shots only give us a tiny piece of a germ?

(A) To make us sick

(B) To protect us from diseases

(C) To hurt us

(D) To give us a whole germ

6. What do antibodies do?

(A) Make you sick

(B) Fight the disease

(C) Hurt you

(D) Give you a whole germ