学习了分类知识后，王坤同学依据一定的特征对生物进行了分类，如下：

请你将下面这些生物标本根据分类结构图进行分类，然后将所属类别填入表格．

2014年5月11日我国多地可观测到“火星合月”的天文现象，火星是太阳系中的一颗(    )

    Ever since an accident put him in a wheelchair, Dan has had one dream:1.

    That is why he was 2 to learn about a piece of research that could possibly lead to his 3. But there are two 4. First, the research may take years before it becomes a treatment. And the second is the most 5 of all considerations: money.6by love for Dan, friends worked hard through a series of 7 to raise 20,000 pounds for his future surgery. Dan felt he could really start looking forward to the day when he could turn his 8 into a reality.

    Then he 9 Brecon, a 5-year-old who 10 from cerebral palsy (脑瘫). Dan read about a new surgical operation that could 11 the little boy to walk unaided. But the surgery would 12 more than 60,000 pounds --- money Brecon's parents were having a 13 time raising.

    Dan said, “I'm in pretty much the 14 condition, but it appears that Brecon can 15 walk if he gets his surgery, and I can't right now. So I thought I might as well pass the money on to him. I'm 16 to everyone who has helped me out, but this boy needs it 17 I do at the moment.”

    And so he took this dream out of the bank and 18 it over to Brecon's parents, telling them, “It would make me very happy to see the 19 made to Brecon's life.”

    “I wanted to help someone whose life could get better,” he said. “If I can help someone to walk, I will. Even if it means 20 a dream to do it.”

场景一：小佳和小蕾都是班级中学习成绩的佼佼者，临近考试，小佳为了超过小蕾，把小蕾的笔记本扔到了厕所里。

场景二：小明和小刚是班级的班长和学习委员，他们平时经常一起探讨交流，以热情帮助其他同学在期末考试中，两个人都取得了非常优秀的成绩。