单项选择题

A．The first group.
B．The second group.
C．The last group.
D．All the three groups.
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单项选择题
How does the man feel about the woman’s decision
A．Patient.
B．Surprised.
C．Worried.
D．Irritated.
单项选择题
A．The heart pumps blood in two directions.B．The blood is circulated round the body in one direction only by the pumping action of the heart.C．The blood moved with a backward and forward motion.D．The heart pumps blood in all directions.
A．The heart pumps blood in two directions.
B．The blood is circulated round the body in one direction only by the pumping action of the heart.
C．The blood moved with a backward and forward motion.
D．The heart pumps blood in all directions.
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