某校初二某班的4组学生，每个学生调查了5个家庭中各个成员眼皮的性状，全班调查结果统计如下表：

如果A表示控制显性性状的基因，a表示控制隐性性状的基因。请据表分析并回答下列问题：
（1）人的双眼皮和单眼皮，在生物学上把它叫做____ 。
（2）调查结果可以推测出____ 是隐性性状。
（3）张三是双眼皮，则可知决定其双眼皮的基因组成是____ 。李四是单眼皮，则可知决定其单眼皮的基因组成是____ 。
（4）第2组中的某个家庭，再生一个双眼皮孩子的可能性是____ 。

根据短文理解，选择正确答案填空。 

    Jim is a junior high school student. He gets up 16:30 every morning. His home is near his school. He 2home after breakfast. He goes to school on foot. This is good for his 3. He has four lessons in the morning. He has lunch at home. After lunch he goes to school again. In the afternoon, Jim has lessons . He likes English and PE lessons. He has PE lessons on Tuesday and Friday. He is good at4football and basketball. He is also good at the high jump. His PE teacher likes5 very much. He often plays football with his classmates after school.

《英国政治制度史》中说：“如果把1688年前后的历史变化联系起来看，谁也无法否认它是英国政治制度史上的一次以政变为形式的革命，而且视野拉得越长，其革命性就越明显。”这种革命性主要表现为（   ）

脱臼是指关节头从关节窝中脱出．