单项选择题

A．How to find the way to exam polluted sea fish.
B．Sea fish will be polluted when you eat it next time.
C．More and more sea fish will be polluted soon.
D．Sea fish will be free from oil pollution.
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单项选择题
A．Study the case carefully beforehand.B．Stick to a set target.C．Appear friendly to the other party.D．Try to be flexible about their terms.
A．Study the case carefully beforehand.
B．Stick to a set target.
C．Appear friendly to the other party.
D．Try to be flexible about their terms.
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