单项选择题

"A fish is swimming in the pond" is transformed into "There is a fish swimming in the pond". Which transformational rule is used

A．Copying.
B．Reordering.
C．Addition.
D．Deletion
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单项选择题
The author maintains that habituation to excessive alcohol consumption can be learned. The method employed to do so, experimentally, which used reinforcement is______.
A．the introduction of alcohol into the bloodstream by infection
B．the increase of the concentration of alcohol in the subject’s drinking water
C．the use of anxiety in an avoidance - approach pattern
D．increasing the amount of alcohol the subject must drink each time before giving it a reward
单项选择题
Which of the following statements is not directly stated but can be inferred from the passage
A．The behavior of alcoholics contradicts the approach - avoidance theory.
B．People may be taught by experience to become alcoholics.
C．Punishment may become the stimulus for added drinking.
D．The behavior of alcoholics seems to defy accepted psychological theories.
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