某男，58岁，右眼视力下降1个月。右眼视力眼前指数，左眼视力1．0。眼底：玻璃体轻度混浊，视 * * 边界不清，轻度隆起，静脉迂曲扩张，呈腊肠样，视网膜大范围片状出血，近视盘的视网膜可见多量片状黄白色渗出，黄斑中心凹亦可见出血渗出。
此例病人的诊断应首先考虑为（）
A.视网膜中央动脉阻塞
B.视网膜中央静脉阻塞
C.中心性渗出性脉络膜视网膜病变
D.高血压视网膜病变
E.糖尿病性视网膜病变
参考答案：B
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| Everyone needs friends. We all like to 1 someone close. 2 is nice to have a friend to talk, laugh and do things with. 3 , sometimes we need to be alone. We don't always want people 4 . But we would feel lonely if we 5 had a friend. No two people are 6 . Friends 7 don't get on well. That doesn't mean 8 they no longer like each other. Most of the time they will make up and become 9 again. Sometimes friends move away. Then we feel very 10 .We miss them very much, but we can 11 them and write to them. It could be that we could even see them again. And we can 12 new friends. It is surprising to find out 13 we like new people when we get to know them. There's more good news for people who have friends. They live longer than people who don't. Why? It could be that they are 14 . Being happy helps you stay well. Or it could be just knowing that someone cares. If someone cares about you, you take 15 care of yourself. | |||
| ( )1. A.1ook ( )2. A. It ( )3. A. Hardly ( )4. A. alone ( )5. A.ever ( )6. A. friendly ( )7. A. always ( )8. A. that ( )9. A. friendly ( )10. A. angry ( )11. A. call ( )12. A. look for ( )13. A. how often ( )14. A. happier ( )15. A. less | B. watch B. Me B. Nearly B. away B.never B. kind B. sometimes B. whether B. good B. sad B. ask B. find B. how long B. stranger B. better | C. fee1 C. There C. Suddenly C. all over C.just C. just the same C.often C. how C. pleased C. happy C. tell C. make C. how many C. kinder C. little | D. see D. Someone D. Certainly D. around D.really D. quite different D. usually D. why D. friends D. alone D. talk with D. know D. how much D. richer D.no |