单项选择题

A．Because some bacteria are drug-resistant.
B． Because the infection is untreatable.
C．Because some bacteria can be spread by physical contact.
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单项选择题
A．In the USA. B．In Uganda. C． In the Sudan.
A．In the USA.
B．In Uganda.
C． In the Sudan.
单项选择题
A．$8 million. B．$18 million. C．$80 million.
A．$8 million.
B．$18 million.
C．$80 million.
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