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      苏秦①之楚，三日乃得见乎王。谈卒，辞而行。楚王曰：“寡人闻先生若闻古人，今先生乃不远千里而临寡人，曾②不肯留？愿闻其说。”对曰：“楚国之食贵于玉，薪贵于桂，谒者③难得见如贵鬼，王难得见如天帝。今令臣食玉炊桂，因④鬼见帝。”王曰：“先生就舍③，寡人闻命⑥矣。”
     【注】①苏秦：战国时著名策士。②曾：竟然。③谒者：古代掌管进见的人（国君的近臣）。④因：依靠。⑤就舍：回到馆舍。⑥闻命：敬辞，指明白对方的意思。
                                                                                                                                                                        （选自《战国策》）

    I was on my way home with a friend yesterday ____ I found a mobile phone by the roadside. After picking it up, I suggested that we go to the house in front of which we found the mobile phone. And we did so. I ____ (knock) at the door and two young men answered. Neither of them had lost ____(they) phones, but as I referred to some names on the contact list(通讯录), one of them said he also had those ____(name) and that it must be the phone of one____their friends. Then, he took the phone and said how wonderful it was that I took the time____(find) the owner. Afterwards, I left without ____(leave) my name or address. I never considered keeping the phone. Instead, I immediately tried to find ____ owner. And I believed that was ____(exact) what I would want someone to do if I lost my phone. It couldn't have been ____ (good).

    Sometimes, helping others is just doing the right thing.

下列关于细胞学说的叙述，错误的是（      ）