单项选择题

Questions 1 to 4 are based on the following conversation. At the end of the conversation ,you will be given 20 seconds to answer the questions.
Now listen to the conversation.
When did this conversation take place

A．Morning.
B．Afternoon.
C．Evening.
D．Lunch tim
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单项选择题
A．soakedB．dippedC．caughtD．penetrated
A．soaked
B．dipped
C．caught
D．penetrated
单项选择题
These medical teams are dealing with an outbreak of ______.
A．plague
B．measles
C．malaria
D．rabies
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