单项选择题

A．Two different types of bones in the human body.
B．How bones help the body move.
C．How bones continuously repair themselves.
D．The chemical composition of human bones.
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单项选择题
A．They don’’t get rid of flabby arms.B．They can damage arm muscles.C．They aren’’t acceptable to most people.D．They can raise one’’s blood pressure.
A．They don’’t get rid of flabby arms.
B．They can damage arm muscles.
C．They aren’’t acceptable to most people.
D．They can raise one’’s blood pressure.
单项选择题
A．Tim will surely come to repair the walkman.B．Tim is very trustworthy.C．Tim cannot repair the walkman.D．Tim doesn’’t keep his word.
A．Tim will surely come to repair the walkman.
B．Tim is very trustworthy.
C．Tim cannot repair the walkman.
D．Tim doesn’’t keep his word.
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