单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．Humans got equal teamwork with ants.
B．Ants usually accomplish the most complex tasks.
C．Ants communicate through chemicals.
D．Ants have an amazing ability to specialize behavior.
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单项选择题
A．Adding GPS, 3G, a higher-resolution camera.B．Adding some fringe benefits that make it appealing.C．Including operability with more wireless carriers.D．Using less expensive but powerful chips
A．Adding GPS, 3G, a higher-resolution camera.
B．Adding some fringe benefits that make it appealing.
C．Including operability with more wireless carriers.
D．Using less expensive but powerful chips
单项选择题
A．Doing yoga.B．Jogging.C．Doing some weights.D．Learning breathin
A．Doing yoga.
B．Jogging.
C．Doing some weights.
D．Learning breathin
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