问题
单项选择题 A型题
血-房水屏障的构成是（）
A.虹膜血管内皮细胞和睫状体色素上皮细胞
B.虹膜血管内皮细胞和睫状体无色素上皮细胞
C.Schlemm管内皮细胞和邻管区小梁
D.Schlemm管内皮细胞和巩膜血管的内皮细胞
E.巩膜内的集合管和巩膜血管内皮细胞
答案
参考答案：B
解析：虹膜血管内皮细胞和睫状体无色素上皮细胞间的紧密连接构成血一房水屏障。
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血-房水屏障的构成是（）
A.虹膜血管内皮细胞和睫状体色素上皮细胞
B.虹膜血管内皮细胞和睫状体无色素上皮细胞
C.Schlemm管内皮细胞和邻管区小梁
D.Schlemm管内皮细胞和巩膜血管的内皮细胞
E.巩膜内的集合管和巩膜血管内皮细胞
参考答案：B
解析：虹膜血管内皮细胞和睫状体无色素上皮细胞间的紧密连接构成血一房水屏障。
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| When describing people, we often use the three common words: men, women, children. ___1_ of us agree that boys and girls should have __2__ rights. But in almost every society in the __3__, girls are treated less well than boys. __4__, people paid little attention to differences __5__ boys and girls and the ways in _6__ they were treated. However, recent research __7__ that girls receive less attention than boys in matter __8__ as schooling, health, jobs and earnings. __9__ girls were valued and treated as well as boys, there would be _10__ another 100 million women in the world. In___11_ countries of the world, girls live with families __12__ whom they work as servants. They _13___ twelve hours a day, often receive no__14__, have no bedroom of their own and are not __15__ to run away. Why doe this happen? The __16__ is that poor families who live in the country __17__ not be able to have enough food for all their children. So girls are ___18___ to families in towns to work __19__ servants. In Haiti there are 109,000 children, __20__ girls, aged 5-18 who live with rich families and work for nothing. | ||||
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