单项选择题

The description of Mr. Rustam Mamedov is ______.

A．an example of a typical long life among these people
B．an example of an unusual long life among these people
C．an explanation of why he is still healthy
D．an explanation of what way of life we should take

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热门试题

单项选择题

What may happen when identical twins are separated from the day they are born

A．They will grow into totally different adults.
B．They will follow their parents.
C．They may think and dress alike though.
D．They may develop different interests and personalities.

单项选择题

Why is it more likely for some families to produce fraternal(异卵双生)twins

A．There is a tradition in the family.
B．There is a secret diet in the family.
C．There is a hereditary tendency in the family.
D．There is a special way in the family.