单项选择题

Questions 11 to 14 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now, listen to the passage.
What Is the base of film today

A．Salt.
B．Silver Salt.
C．Metal.
D．Plasti
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The talk is mainly about ______.
A．the importance of eating a good breakfast
B．a new reduction plan
C．the daily requirement of nutrients
D．problems brought by dieting
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The court considers a financial ______ to be an appropriate way of punishing him.
A．option
B．duty
C．obligation
D．penalty
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