填空题 A. helps
B. while
C. messages
D. closely
Phrases:
A. you watched 1 eating it
B. send nerve 2 to your brain
C. our noses and our brain are very 3 connected
D. 4 us remember things
For years, scientists have been studying the special powers of smells. It seems that 5 . When you smell something, the odor goes up your nose to the smelling zones. From here, sense cells 6 telling it what you smelled.
More than our other four senses, our sense of smell changes our mood and 7 . If you were told to think about popcorn, you"d probably recall its smell. And then you might remember the movie 8 . Our sense of smell also makes us aware of danger—like the smell of smoke.