UNIT 2 REVIEW 9th grade speaking/listening

Listening One

what is body circadian rhythm?

• body's internal clock

• heart rhythm

• nervous system rhythm

• is not in the reading

Choose the correct vocabulary word

definition: lack of sleep

• sleep deprivation

• recover

• tolerate

• reset

Choose the correct vocabulary word

Definition: to accept something you do not like

• sleep deprivation

• recover

• tolerate

• consistency

Choose the correct vocabulary word

Definition: always being the same

• tolerate

• consistency

• sleep deprivation

• recover

Listening One

Doctor suggests to buy O.T.C. vitamin supplement

What does O.T.C. stand for

Write the answer

According to Dr. Howell

Why are teenagers often sleepy?

• bodies are changing

• too much homework

• they stay up late chatting

• they watch too much TV

According to Dr. Howell

when teenagers stay up late and wake up early,

What do they begin to suffer from?

Write only the answer

According to Dr. Howell

How many minutes of morning sunlight can help

reset a person's circadian rhythm?

• 10-20

• 20-30

• 30-40

• 40-50

According to Dr. Howell

When should a melatonin supplement vitamin be taken?

• at 6 o'clock in the morning

• six hours before bedtime

• six hours after breakfast

• at six o'clock in the evening

Host Lian Dolan complains about being constantly tired.

What reason does she give?

• she can't fall asleep at night

• she has small children

• she wakes up in the middle of the night

• she works at night