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    I took the bus to school every day when I was in grade school. Alvin, our bus driver, came by every morning at 8：00 to 1 us children from poor families up.

    Alvin picked up around twenty 2 in our area and dropped us off after school. About once a month he would make a 3 at the local drive-in. Someone would come out and ask each of us if we wanted an ice cream or a drink. Alvin would 4 the whole bus out of his own pocket. The kindness that he showed was  5.

    I remember him picking us up at theend of the school year and taking us to his home for a party. He would  6 drinks and chips for everyone.

    Remembering the kindness he showed, I called him up twenty years 7 and thanked him. I told him that he probably wouldn't remember  8, but I sure remembered him! We didn't see much kindness from others as we grew up, so it made it all the more    9.

    I could hear the smile in his voice when he thanked me for calling. He's the reason why I do my  10 to show kindness to everyone whom I cross paths with. He's had such ahuge impact in my life and I'm so thankful that I was able to tell him.

阅读下列材料并回答问题：

材料一  研究人员对比人类和黑猩猩的基因组后发现，两者之间的相似程度达到96%以上，其基因组的大部分可排序区域几乎没有区别。

材料二  来自美国和德国的科学家曾经在刚果国家公园的一处沼泽地捕捉到大猩猩使用工具的现场镜头：一只被科学家称为利亚的雌性大猩猩在过河时使用树枝测量水深。当时利亚打算趟过一个看起来并不深的小水塘，但是它下水后刚走了几步就发现水已经没到了它的腰部，于是利亚返回岸上，从一棵枯树上拽下一段长树枝，它拿着树枝再次走进水中，一边走一边测量前方的深度，直到前进了9米多才返回。

下列能正确表示一对基因在染色体上的分布情况的是（    ）

下列各句中，没有语病的一项是（     ）