问题
单项选择题
眩光造成的有害影响有：（）；观察物体有模糊感觉。
A、使人产生对温度的错觉；减弱被观察物体与背景的对比度
B、导致睫状肌萎缩，食欲下降；减弱被观察物体与背景的对比度
C、破坏暗适应，产生视觉后像；减弱被观察物体与背景的对比度
D、引起视力的明显下降；使人产生方向错觉
答案
参考答案：C
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眩光造成的有害影响有：（）；观察物体有模糊感觉。
A、使人产生对温度的错觉；减弱被观察物体与背景的对比度
B、导致睫状肌萎缩，食欲下降；减弱被观察物体与背景的对比度
C、破坏暗适应，产生视觉后像；减弱被观察物体与背景的对比度
D、引起视力的明显下降；使人产生方向错觉
参考答案：C
A generation gap(代沟)has become a serious problem.! read a report about it in the newspaper. Some children have killed 1 after quarrelling (爭吵)with 2 .I think this is because they don't often have a talk with each other. Parents now 3 more time in the office, 4 they don't have much time to stay with their children. As time passes, they both feel that they don’t have the 5 topic(话题)to talk about. I want to tell parents to be more patient with your 6_，get to know them and 7 them. And for children, show your 8_to your parents. They are the people who love you. So 9 them your thoughts. In this way, you 10 have a better understanding of each other.
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