根据中文提示写出单词或词组，使句意完整、正确。

根据中文提示写出单词或词组，使句意完整、正确。
小题1:Getting up early is a good （习惯）.
小题2:I think it’s good for us to eat more （西红柿）.
小题3:Dr. White （发明）a kind of new medicine last year.
小题4:The five Olympic rings （代表）the five parts of the world.
小题5:Smoking is bad for health. So smokers must （放弃）smoking as soon as possible.