单项选择题

What's people's response to a neutral stimulus

A．Normally they are not scared by it.
B．Usually they are seriously scared by it.
C．They feel ridiculous when seeing it.
D．They often feel uncomfortable at it.

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热门试题

单项选择题

The passage states that before the blue square appeared, the person in the video ______.

A．was in a relaxed state
B．watched the screen closely
C．wondered what would happen
D．got ready to respond to a shock

单项选择题

Why did participants feel frightened even though there was no shock going with blue squares

A．Because they experienced the first-hand fear.
B．Because they learned fear indirectly.
C．Because their brains were sensitive to colors.
D．Because their reacting system were monitored.