单项选择题

A．They give out faint cries.
B．They make noises to drive away insects.
C．They extend their water pipes.
D．They become elastic like rubber bands.
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单项选择题
A．The name of a German town.B．A resident of Frankfurt.C．A kind of German sausage.D．A kind of German bread.
A．The name of a German town.
B．A resident of Frankfurt.
C．A kind of German sausage.
D．A kind of German bread.
单项选择题
A．To the Nile River.B．To the Museum of Natural History.C．To Colorado.D．To Arizona.
A．To the Nile River.
B．To the Museum of Natural History.
C．To Colorado.
D．To Arizona.
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