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TOEFL
/
Listening practice
/ Section J8VT
Listen to an Academic Talk
Listen to part of a talk in a nutrition class.
Listen
45. Why does the speaker mention shift work, irregular sleep and smoking?
A
To identify factors that could explain the correlation instead of breakfast
B
To list the main causes of weight gain
C
To explain why some people cannot eat in the morning
D
To argue that observational studies should not be published