1979年1月30日，邓小平访问美国期间在向参、众两院议员解释中国政府对台湾的方针时说：“我们不再用‘解放台湾’这个提法了。只要台湾回归祖国，我们将尊重那里的现实和现行制度。”这反映出    (　　)

Don't be nervous. Please          deep         , and then answer my questions.

研究人员对1亿美国Facebook用户发布的10亿多匿名状态更新进行了分析，他们发现，每1条消极帖子会导致好友发布1.29条消极帖子，而每1条积极帖子则会导致好友发布1.75条积极帖子。这说明（    ）

    Today is Tree- Planting Day. I go to the park with my parents. At about ten o'clock we start to plant trees. We needn't to dig holes because the people in the park dug them before. We just put the young trees into the holes. My father fills the holes with me. My mother carries water for the young trees. We are so tired when we finish the work. All of us hope the trees will grow well. I hope I can plant trees next year.