单项选择题

It is possible to write a personal testament at home, _______a person has adequate literacy. ( )

A．assuming
B．unless
C．so
D．except
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You’re here because either you or someone you know______been diagnosed as type Ⅱ diabetic. ( )
A．are
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单项选择题
To improve people’s living environment, considerably cutting carbon emissions has become something_______the leadership must achieve as soon as possible. ( )
A．which
B．that
C．of which
D．in which
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