李白的《送友人》中对仗工整，运用比喻表达离别深情的诗句是：____，____。化用古典诗句烘托出深情厚谊的诗句是：____，____。

用一句话概括下面这则新闻的主要内容，不超过15字。

在这场突如其来的疫情面前，家禽养殖业无疑首当其冲。自H7N9禽流感疫情发生后，上海、南京已经暂停活禽交易，安徽、湖南等多地家禽市场交易量下降，养殖户和经营户亏损严重。杭州一个活禽摊点标本检出含有H7N9禽流感病毒核酸，更是引起一些人恐慌，鸡鸭、鸽子等禽类消费量剧减。专家建议，防范风险应多措并举，科学调控，尽快查明疫情源头，减少对养殖业的冲击。

若$x=3$是方程$x^2-5x+m=0$的一个根,则这个方程的另一个根是（  ）

   The Wilsons decided to go overseas for vacation. They had a family meeting to plan the vacation. "First," Mr. Wilson said, "we should decide where we are going."
   "I don't agree," Mrs. Wilson said, "I think we should decide when we are going first. We don't want to go to places when they are cold."
Mr. Wilson agreed, so the family's first decision was when to go on vacation. They decided to go in July. "Now we can decide where to go," said Mr. Wilson. "But, Dad," Ben said, "don't you think that where we go depends on(依赖，取决于)how we go? If we plan to fly, we can go a long way. If we plan to drive, we can't go far."
   Again, Mr. Wilson agreed, and they discussed this. At last they agreed to travel by plane. And so the planning meeting went on. The next day, one of Mr. Wilson's friends at work asked, "Where are you going for vacation?"
  "Well," Mr. Wilson told him, "we are going in summer by plane, but I don't know where we are going!