1. (2020八下·邳州期末) 选用方框内的单词或词组填空，其中有一个单词或词组是多余的。

meaningful   loudly    power    cut down   cut in      treatment

1. （1） Don't on others. Always wait politely.
3. （2） British people don't like to shout or laugh .
5. （3） It's to work as volunteers at community centres or in libraries at the weekend.
7. （4） However, many people don't have money for medical .
9. （5） Turn off the when your TV or computer is not in use.