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单项选择题

Passage Two

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 breathing.

A. Doing yoga.
B. Jogging.
C. Doing some weights.
D. Learning breathing.