问题
多项选择题
头发的自然色素体是由（）自然色素粒子组成。
A.橙红色素粒子
B.黑褐色素粒子
C.灰黑色素粒子
D.黄红色素粒子
E.棕黑色素粒子
答案
参考答案：B, D
搜题请搜索小程序“爱下问搜题”
头发的自然色素体是由（）自然色素粒子组成。
A.橙红色素粒子
B.黑褐色素粒子
C.灰黑色素粒子
D.黄红色素粒子
E.棕黑色素粒子
参考答案：B, D
While watching the Olympics the other night, I came across an incredible(难以置信的) sight. The 36 was swimming and started with only three men. For one reason or another, two of them had a 37 start, so they were disqualified. That would have been difficult enough, not having anyone to 38 against. I watched the man 39 off the blocks and knew immediately that something was wrong. Now I’m not an expert 40 but I do know a good dive 41 a poor one, and this was not exactly medal 42 . I listened to the crowd begin to 43 this poor man that was clearly having a 44 time. Finally he made his turn to start back. It was 45 he made a few desperate(拼命的) stroke(划水) and you could tell he was exhausted. But in those few 46 strokes, the crowd had changed. No longer were they laughing, but beginning to 47 . Some even began to 48 things like, “Come on, you can do it!” and he 49 finished his race. The crowd went 50 . Even though he recorded one of the 51 times in Olympic history, this man gave more heart than any of the other 52 . In a competition where athletes remove their silver medals, feeling they have 53 been cheated out of gold, or when they act so 54 in front of their competitors, it is nice to watch an underdog(败者), a man that gave his all --- knowing that he had no chance, but competed because of his 55 and the spirit of the games.
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