题目

Everyone wants to have good relationships with others. Here, I’d like to__________some useful ways with you. The first step is to have good conversations with others. Here are some ______for you.Find a few things about the person_________you actually start a conversation.Begin the conversation with some interesting information that’s not too personal.Ask questions so that the other person can__________himself or herself, such as “What do you like to do?” Discuss things about them that you might be interested in hearing, and__________ask questions. People love having a__________to discu已知x、y是两种有机物，它们分别跟氧气起反应，其化学方程式如下： x＋3O22CO2＋3H2O　　2y＋3O22CO2＋4H2O，试写出x、y的化学式：x________，y________．