what's the radius of benzene ring?

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• A young American doctor was sleeping when suddenly his doorbell began to ring.I was already midnight,but what could the doctor do?He had to get up,put on his coat and go downstairs.When he opened the door,he saw a man standing with a hat in his hand."How do you do?" said the man."Can you come at once to a place out of town?It's quite far but you have a car and I can show you the way.""Certainly," said the doctor,"I'm quite ready.I can come at once." I
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• 英语翻译boy:（Ring...ring!）It is time to get up,baby!(电话铃响了）宝贝,起床的时间到了.girl:Er..I'm very tired.I want to have a break!嗯,我感觉好累,还想多休息一会呢!boy:You will be too late to work!I have called you twice!你上班将要迟到了!我已经给你打过两次电话了.girl:Really?I have no feeling in my brain.What time is it?我一点感觉都没有.现在几点啊?boy:Yes.Maybe you are lost in your dream!It's twenty to eight now.If you as soon 是呀.也许你还在梦中呢!现在已经是7：40了!girl:Oh,my God!I am late.我迟到了.twenty to eight 的意思是7点40分吗?twenty不是二十的意
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