单项选择题

In other Words, all mammals, ( ) their sizes are, breathe once for every four heartbeats.

A．however
B．regardless
C．whatever
D．according
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单项选择题
No one can avoid ( ) by advertisements.
A．influenced
B．influencing
C．to influence
D．being influenced
单项选择题
Without the air to hold some of the sun’s heat, the earth would be ( ) on at night.
A．very cold for us to live
B．so cold to us living
C．too cold for us to live
D．rather cold of us live
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