单项选择题


A．yet
B．not
C．and
D．or
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单项选择题
A．overB．atC．onD．of
A．over
B．at
C．on
D．of
单项选择题
The new approach to the social security system will spend______.
A．over 45% of the health authority expenditure
B．less on care of the elderly
C．almost 30% of the public expenditure
D．one-third of the public expenditure
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