单项选择题

Questions 29 to 32 are based on the passage you have just heard.

A．A disease.
B．A cause of fatal plague.
C．A substance in a flea’s legs.
D．The substance that a flea lives on.
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Why does Icelandic law permit children to take their mothers’ given names as basis for their surnames
单项选择题
A．They can live in meadows.B．They can jump high to get food.C．They can live on many different kinds of hosts.D．They can survive without eating for many months.
A．They can live in meadows.
B．They can jump high to get food.
C．They can live on many different kinds of hosts.
D．They can survive without eating for many months.
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