To produce a calming effect, some companies use the smell of ______.
A. lemon
B. wood
C. melting butter
D. mint
Riot police are called in ______.
A. to separate the opposing fans inside the ground
B. as a precaution against trouble inside the ground
C. to stop fighting occurring outside the ground
D. as a precaution against fighting outside the ground
Which is the most appropriate title for the passage？
A. How to Avoide Being Affected by Smells
B. Using Smells to Influence People
C. The Power of Our Sense of Smell
D. New Smells in Supermarkets
The majority of people in the test (Para. 3) preferred ______.
A. the smell of shoes to that of flowers
B. the smell of flowers to that of shoes
C. the shoes in the room with purified air
D. the shoes in the room with appealing smells
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