问题
单项选择题
以下对于夜盲的描述说法错误的有（）
A.是夜间视力差或看不见
B.存在暗适应障碍
C.主要是视网膜视锥细胞功能不良
D.可由先天性因素、后天性因素导致
E.从白昼到暗处视功能不佳
答案
参考答案：C
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以下对于夜盲的描述说法错误的有（）
A.是夜间视力差或看不见
B.存在暗适应障碍
C.主要是视网膜视锥细胞功能不良
D.可由先天性因素、后天性因素导致
E.从白昼到暗处视功能不佳
参考答案：C
| 交际运用。 | |
| A: Oh! It's your birthday next week. I nearly forget it. Would,you like to have a party? B: 1._________. A: Where would you like to have it? B: The weather should be good. 2._________ A: That's a good idea. Then we can have a barbecue there. B: We'd better get there early, or someone else might take it. A: We'll get there at around 10 o'clock. B: That's great. 3._________ A: It won't rain. It never rains at this time of the year. B: 4._________ A: Twenty? B: Twenty is great. I'Il make a list and call everyone. B: Thanks, Tom. | |
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