单项选择题

Which of the following is NOT a possible reason for whales dying

A．Pneumonia.
B．Brain infection.
C．Over-population.
D．Over-eating.
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单项选择题
Why might the increasing number of whales cause problems with their health
A．There's not enough room for them in Alaska.
B．There may not be enough food for them in Alaska.
C．They get pushed ashore.
D．there are more whales to spread disease.
单项选择题
What can we learn from the passage
A．Don't judge a person only by his behavior.
B．People need understanding.
C．Conditions can change a man.
D．Anyone has his strongpoints (优点) and shortcomings.
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