单项选择题
A．The Northern Pike will die. B．The wells will be polluted. C．Poisons will kill the Northern Pike. D．The Northern Pike will swim into other lakes.
A．Kidnapping Announcement B．Children’s Care C．Kidnapping Alert D．Watch Your Kids
A．biography of John Paul Jones B．criticism of John Paul Jones C．history of the United States Navy D．comparison of the American and Russian navies