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Comprehension Checkup
Comprehension Checkup

A Circle the best answer.

1. What is not an example of a mammal?
a fish b dog c human

2. What do humans do when they are cold?
a shiver b sleep c sweat

3. What will dogs do in a hot environment?
a They will shiver.

b They will sweat.
c They will stick out their tongues.
d They will change their body temperature.

4. What is NOT true about mammals?
a They are warm-blooded.
b They are a kind of animal.
c They keep their body temperatures the same.

d They all cool down and warm up the same way.

B Complete the sentences.

Mammals keep their body temperatures the ➊ . People

sweat to cool down. Also, they shiver to ➋ up.

Wrap Up
Wrap Up Fill in the blanks.

How do mammals keep their ➊ temperatures?

• to ➋ down They ➌ .

• to warm up They ➍ .

sweat cool shiver body

13

2020. 12. 22. 오후 12:52
미국교과서리딩_2권본문(6).indd 13
미국교과서리딩_2권본문(6).indd 13 2020. 12. 22. 오후 12:52