单项选择题

A．It keeps blood vessels from being blocked.
B．It speeds up their recovery after surgery.
C．It in creases the blood flow to the heart.
D．It adjusts their blood pressure.
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单项选择题
A．Women criminals in Scotland.B．Criminals who are given long sentences.C．Criminals who are given short sentences.D．Criminals in Scotland.
A．Women criminals in Scotland.
B．Criminals who are given long sentences.
C．Criminals who are given short sentences.
D．Criminals in Scotland.
单项选择题
Hancock’’s study focuses on________.
A．the consequences of lying in various communications media
B．the success of communications technologies in conveying ideas
C．people’’s preferences in selecting communications technologies
D．people’’s honesty levels across a range of communications media
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