单项选择题

A．Because it makes us easy to bend down.
B．Because the hands muscles are stronger.
C．Because the other muscles can help the lower back muscles.
D．Because the other muscles can help the arm muscles.
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单项选择题
A．In 1848.B．In 1858.C．In 1868.D．In 1878.
A．In 1848.
B．In 1858.
C．In 1868.
D．In 1878.
单项选择题
A．The liberation movement of British women.B．Rapid economic development in Britain.C．Changing attitudes to family life.D．Reasons for changes in family life in Britain.
A．The liberation movement of British women.
B．Rapid economic development in Britain.
C．Changing attitudes to family life.
D．Reasons for changes in family life in Britain.
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