问题
填空题
如图16所示，MM′为平面镜，AO为入射光线，ON为法线，入射角∠AON 等于45，已知∠NOB 等于30，∠NOC 等于45，∠NOD 等于60，则入射光线AO的反射光线将沿着 射出。（选填“OB”、“OC”或“OD”）
答案
OC
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如图16所示，MM′为平面镜，AO为入射光线，ON为法线，入射角∠AON 等于45，已知∠NOB 等于30，∠NOC 等于45，∠NOD 等于60，则入射光线AO的反射光线将沿着 射出。（选填“OB”、“OC”或“OD”）
OC
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| I have learned to expect gifts from God in the form of people. People who I meet for a few seconds, a few hours or even for 1 . My wife and I 2 a short train ride on an old train. It was 3 of her birthday plan. I was expecting to meet someone new who would 4 at our table. That was to be my 5 for that day. We weren't seated for two minutes 6 I heard, "Would you mind if I 7 you?" I replied, " 8 . I was expecting you!" He was in his early sixties and 9 introduced himself. But for the following 45 minutes, he never stopped 10 loudly. If there was a pause in the conversation, it was because 11 on the train was giving us some backgroud information about the old train. 12 , this gentleman kept speaking to us about himself. Some things he said were very interesting, but most was a complaint about his experience as a 13 and different types of law. He never asked 14 of us what we did. So, if 15 did send him, what was the message this time? He needed 16 and I needed to be reminded how important it was to listen to pelple, 17 for a few seconds, a few hours or for a lifetime. Perhaps I was sent to him. Maybe he was 18 to God to meet someone who 19 . God gave us two ears and one mouth, because we need to listen 20 as much as we speak. | ||||
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