Other studies have shown that upbeat music isn't the only type of music that can be helpful，however．When people are sad or have suffered a personal loss，sad music can be helpful because people identify with the tone and lyrias(歌词)of the music．Likewise，people under a lot of stress or experiencing upsetting situations can benefit from listening to angry music．Although angry music might not help you if you're in a normal mood，its tone can benefit you when you are dealing with stressful and upsetting situations．

24．What does the author mainly show in Paragraph 1 ?

A．The importance of having an electronic device．

B．The great number of songs on the Internet．

C．The benefits of choosing a song suiting your mood．

D．The convenience of finding a song suiting your mood．

25．According to the passage，what is the power of Mozart?

A．Making you less active． B．Keeping you more refreshed．

C．Making you more focused． D．Keeping you better informed．

26．Which of the following best explains the underlined word"boost"in Paragraph 4?

A．Predict． B．Improve． C．Express． D．Ruin．

27．What can we learn from the last paragraph?

A．Only upbeat music can brighten our day．

B．People will feel sad when identifying with the lyrics．

C．Everyone can benefit from listening to angry music．

D．Different music functions differently in different situations．

　　At the age of seven，while his friends were spending their allowances on candy and toys，Jose Adolfo Quisocola，from Peru，came up with the creative idea of an eco-bank，which allows kids of all ages to become economically independent and financially wise while also helping the environment．

"At the beginning，my teachers thought I was crazy or that a child could not undertake this type of project，"Jose recalls．"They did not understand that we are not the future of the country