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单项选择题

People with type A blood can receive ______.

A．AB
B．B
C．O
D．None of the above
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单项选择题If you need a transfusion, the best and safest blood for you is ______.

A．type AB
B．exactly the same type as yours
C．a mixture of salt, plasma and type O
D．type A

单项选择题What can we learn about Miss Jackson

A．She is a serious lady.
B．She is a strict teacher.
C．She is a narrow-minded lady.
D．She is a poor but kind teacher.