单项选择题

Why didn't men climb mountains long ago

A．Because it was very cold on mountains.
B．Because they couldn't breathe on mountains.
C．Because they were afraid of spirits and dragons.
D．Because riley were afraid of falling into the cracks.

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单项选择题

In this passage the words gobble up mean _______.

A．eat up very fast
B．catch up with
C．get rid of
D．hold back

单项选择题

From the story we can see that _______.

A．sailors thought the world was flat
B．the man who made maps had seen one-eyed monsters
C．easily sailing ships were made of metal
D．the water in the sea was boiling a long time ago