单项选择题

Questions 23 to 25 are based on the passage you have just heard.

A．Dogs can only understand verbal directions.
B．Dogs can understand humans by interpreting their facial expressions.
C．Some dogs like to gaze at humans while some do not.
D．Dogs have the intelligence of 6-month-old babies.
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单项选择题
A．Its contamination is primarily due to climate change.B．It has been moved far away from the west.C．It needs lots of money to fix.D．It is polluted by saltwater intrusion.
A．Its contamination is primarily due to climate change.
B．It has been moved far away from the west.
C．It needs lots of money to fix.
D．It is polluted by saltwater intrusion.
单项选择题
A．They are indeed very crazy.B．They consider their dogs as their babies.C．They are, in fact, reasonable to some extent.D．They can t actually communicate with their dogs.
A．They are indeed very crazy.
B．They consider their dogs as their babies.
C．They are, in fact, reasonable to some extent.
D．They can"t actually communicate with their dogs.
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