单项选择题

A．Sewage and industrial waste.
B．Oil pollution on the beach.
C．Oil discharged at sea when people cleaning oil tanks.
D．The oil that leaks out after ship collisions.
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单项选择题
A．Don’’t write the character reference for Alex.B．Don’’t tell the truth about Alex in the character reference.C．To go out and have coffee with her.D．To go to the restaurant with her.
A．Don’’t write the character reference for Alex.
B．Don’’t tell the truth about Alex in the character reference.
C．To go out and have coffee with her.
D．To go to the restaurant with her.
单项选择题
A．Experience in negotiating.B．A high level of intelligence.C．The time they spend on preparation.D．The amount of pay they receive.
A．Experience in negotiating.
B．A high level of intelligence.
C．The time they spend on preparation.
D．The amount of pay they receive.
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