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（5分）將下列生物與其相關內容用線連接起來

①白鰭豚                                                                             A．我國珍貴的涉禽

②揚子鱷                                                                             B．世界瀕臨滅絕的鳥類

③銀　杉                                                                             C．我國特有的珍稀水生哺乳動物

④丹頂鶴                                                                             D．中生代動物的“活化石”

⑤朱　鹮                                            E．植物中的“大熊貓”