问题
单项选择题 A1型题
下列不构成球壁的组织是()。
A.视网膜
B.葡萄膜
C.角膜
D.结膜
E.巩膜
答案
参考答案:D
解析:眼球壁分为外、中、内3层膜。外层:角膜、巩膜、角巩膜缘。中层(血管膜/色素膜/葡萄膜):虹膜、睫状体、脉络膜。内层:视网膜。
下列不构成球壁的组织是()。
A.视网膜
B.葡萄膜
C.角膜
D.结膜
E.巩膜
参考答案:D
解析:眼球壁分为外、中、内3层膜。外层:角膜、巩膜、角巩膜缘。中层(血管膜/色素膜/葡萄膜):虹膜、睫状体、脉络膜。内层:视网膜。
从下面方框中选择适当的选项填人短文中,使短文通顺、完整.选项中有两个选项是多余选项。 | |
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Tommy hated school and was always looking for excuses not to go. If he sneezed, he askcd his mother to 1 a note saying he had a cold. If he had a headache, he asked his mothcr to take him to the doctor during _2 hours. He spent 3 timc at home than he did at school. He often looked for excuses to come home 4 . One day, he came home 5 school in the middle of the morning. His father was 6 . "You're home early he said. "Is school closed today?" "No, Dad," Tommy said. "It's 7 . I came home early. " "How did you do that ?" his father askel him. 6'What did you __8 _ to the teacher ?" "I told her that I had a new baby _ 9 and that 1 had to come home and help you. " " 10 your mother has had twins," his father said, "a boy and a girl. You're got a baby brother and a baby sister." "Yes, I know, Dad," Tommy said. "I'm saving up my baby sister for next week" |