下列词语中，没有错别字的一组是（  ）

下列关于孟德尔遗传定律的现代解释叙述错误的是（   ）

【秦之兴】

材料一：秦王扫六合，虎视何雄哉，挥剑决浮云，诸侯尽西来。

——李白《古风》

【秦之固】

材料二：

【秦之衰】

材料三：二世元年七月，发闾左适戍渔阳，九百人屯大泽乡。陈胜、吴广皆次当行，为屯长。会天大雨，道不通，度已失期。失期，法皆斩……

——《史记·陈涉世家》

【秦之亡】

材料四：秦王足已不问，遂过而不变。二世受之，因而不改，暴虐以重祸。子婴孤立无亲，危弱无辅，三主惑而终身不悟，亡，不亦宜乎？

——《史记·秦始皇本纪》

A

Mike works very long hours every day. He usually gets up at 17:00. He has a shower and makes his breakfast. What a funny time to make breakfast! After breakfast he practices his guitar. Then he puts on his jacket and goes to work. To get to work, he takes the number 17 bus to the Star Hotel. The bus usually leaves at 19:15. He works all night. People love to listen to him! He gets home at 7:00, and he watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man. Can you think what his job is?

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He promised ________ his old friend during his stay in Tianjin