单项选择题

Passage Three
Questions 33 to 35 are based on the passage you have just heard.

A．Ozone as a form of oxygen.
B．Problems caused by the thinning of the ozone layer.
C．The origin of ozone problems.
D．The latest studies of ozone problems.
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单项选择题
A gorilla will lose games deliberately to ______.
A．persuade his friends to keep playing with him
B．prove his "theory of mind"
C．attribute mental states to others
D．continue the game with his partners
单项选择题
A． Golden Gate is the name given to a bridge and a boat sailing under the bridge.B．Commuters prefer high-speed boats but tourists are attracted to more leisurely ones.C．People have to cross the Golden Gate Bridge by car to get to work.D．Wedding ceremonies are occasionally held on the boat.
A．"Golden Gate" is the name given to a bridge and a boat sailing under the bridge.
B．Commuters prefer high-speed boats but tourists are attracted to more leisurely ones.
C．People have to cross the Golden Gate Bridge by car to get to work.
D．Wedding ceremonies are occasionally held on the boat.
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