【判断题】水杨酸【图片】用系统命名法命名时,应该称为2-羟基苯甲酸。
【单选题】用系统命名法命名时,化合物CH3CH(CH3)CH2COOH应称为()
【简答题】Yoshio and Hiromi Tanaka are a young Japanese couple living in the USA while Yoshio studies electrical engineering.They clearly love each other very deeply,but,says Yoshio,“We didn’t marry for love in...
【简答题】Recently, the young couple have (continue) ______ arguments with each other for things of little importance.
【简答题】The more challenging the trip is, the (happy) ______the young couple will feel.
【单选题】Friends and relatives of the young couple have come to congratulate them _______ the arrival of the new baby.
【单选题】The young couple _______ their new life to a railway train on a long unknowntrack.
【单选题】The novel ended happily, and the young couple was married ______
【单选题】The young couple reached their house in the evening and found that someone _____ into the house during the day. [ ]