世界上跨纬度最广的大洲是（  ）

按下边的电路图连接实物．

与直线7x+24y=5平行，并且距离等于3的直线方程是____ 

2010年农民歌手旭日阳刚翻唱《春天里》的视频在网络上迅速传播，很多人感动得热泪盈眶，龚琳娜演唱的 “神曲”《忐忑》走红网络，已播放不下10万次。这种现象说明(   )
①人们对文化的需求日益呈现多层次、多样化、多方面的特点
②人民大众需要多种类型、多种风格的文化产品
③时尚文化和经典文化充实了人们的精神世界
④贴近生活、贴近实际、贴近群众的文化就是优秀文化

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    Doing volunteer work is good for others，and it's good for you, too.My friend Ben 1it “a win­win (双赢的) situation.” He says, “You feel good because you're helping others, and others feel good because they're getting help.” That's 2 he does volunteer work every summer holiday.Of course that is not the only benefit(好处)you can get 3 being a volunteer.Let's learn more about the reasons for volunteering.

    Get life experiences and skills

    When doing the volunteer work, you can learn more about the real world, and you can practice your skills at the 4 time.For example, as a new college student, Gregory 5 his summer holiday volunteering at a hospital.He chose a hospital in Chinatown,6 he could practice his language skills.He also found time to ask the7questions and learned a lot from them about how to keep healthy.

    Meet interesting people

    Both the people you are 8 and the people you are working with can give you new ideas.They may give you interesting information and show you new9 of looking at the world.

    Make a difference

    Doing even 10 things can make a big difference to others.So let's work together to make a better world!