Which of the following titles best expresses the main idea？
A. Why Anxiety Increases Blinking.
Blinking and Apprehension.
C. Spontaneous Blink and Voluntary Blink.
D. Blinking Reflects the Mind.
【C14】
A. production
B. information
C. application
D. construction
When a person gets bored, alert, anxious or concentrating ______.
A. he blinks more
B. he blinks less
C. he blinks more or less according to the situation
D. the frequency and duration of his blinks vary with the situation
Look at the first paragraph. Who were right: The authorities or the pessimists？
A. The authorities.
B. The pessimists.
C. Both.
D. Neither.
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