单项选择题


Passage One
Questions 16 to 18 are based on the passage you have just heard.

A．Because it was difficult to collect.
B．Because it was difficult to get rid of.
C．Because it came in a variety of forms.
D．Because it tended to be absorbed by physical objects.
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单项选择题
A．They can do better than others.B．It is expensive to hire labour.C．They don’t like to be helped.D．They don’t trust others.
A．They can do better than others.
B．It is expensive to hire labour.
C．They don’t like to be helped.
D．They don’t trust others.
单项选择题
A．Someone took his suitcase by mistake.B．He left his suitcase in the trunk of a taxi.C．Someone stole his suitcase at the railway station.D．He lost all his important documents including his train ticket.
A．Someone took his suitcase by mistake.
B．He left his suitcase in the trunk of a taxi.
C．Someone stole his suitcase at the railway station.
D．He lost all his important documents including his train ticket.
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