依次填入下列各句横线处的词语，最恰当的一组是（  ）
①该剧讲述的是一个老母亲和由她拉扯大的3个女儿之间的故事，其中         的是深深的母女亲情。
②张学友济南演唱会曲目在大众网上评选的消息公布以后，歌迷们纷纷打来电话        情况并提出建议。
③所谓意想不到的问题，就是那些平时忽略了的隐患、征兆等引发产生的感到很         的问题。

图中AB为晨昏线的一部分，A为晨昏线上纬度最高点，C和D在同一纬线上，A、C、D三点所差经度数相同，此时地球公转速度较快。

    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!