单项选择题

What can you infer from the passage（）

A．Extremely high dose of Vitamin E can cause danger.
B．With proper dose of Vitamin E old people could be safer from infectious disease.
C．Researchers have proved that Vitamin E has no side effects.
D．Individuals with serious conditions should consult their doctors.

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单项选择题

The phrase make up in paragraph 2 most probably means （）

A．invent
B．put together
C．end a quarrel
D．complete

单项选择题

Which of the following is NOT mentioned in the passage（）

A．People usually feel depressed when their friends move away.
B．People may call and write to their friends.
C．People like their new friends very much if they get to know them.
D．People must depend upon their friends for everything.