下列有关催化剂的说法中错误的是(   )

寒冬，坐满人的汽车门窗紧闭，水蒸气液化成小水珠附着在玻璃车窗上，水蒸气变成水珠____ （选择：“会吸热”、“会放热”、“不会吸热或放热”），水珠会出现在车窗的____ （选择“内侧”、“外侧”、“内、外侧”）．

用所给词的适当形式填空

（1）We have lunch after____(visit)the Palace Museum.

（2）The factory is far, and the best way____(go)to work for you is by bike.

（3）Lucy and Lily are good at____(paint)in art class.

（4）As soon as we finish____(do)our homework, we’ll play football.

（5）—Why not____(see)the London Eye with your friends?  —Too high, I'm afraid.

已知a和b是有理数，若a+b=0，a²+b²≠0，则在a和b之间一定（　　）