下列词语中划线字的读音和字形，全都正确的一组是（    ）

依次填入下列各句検线处的成语，最恰当的一组是（  ）                  
①医疗质量是关系到病人生命安危的大事，救死扶伤是医务人员 _________ 的天职。
②中国传统的严父慈母型的家庭关系，常令父亲们 _________地承担起教育子女的义务。
③在全国比赛中屡获金奖的我省杂技团，_________ 地承担了这次出国演出任务。

诸子百家的思想中，在统治人民的方法上区别最大的是(　　)

①孟子　　      ②墨子　　    　 ③庄子　　　        ④韩非

应墨西哥、牙买加、哥伦比亚、委内瑞拉、巴西和马耳他（地中海中部的岛国）六国领导人的邀请，******于2009年2月8~22日对上述六国进行了国事访问。关于拉丁美洲的叙述正确的是（  ）

    It's necessary to discover what you are good at or not and what you like or dislike.
    Many students would be unhappy if they f____  in a very difficult physics course, but in fact they have known a lot about t____  They realize that they should not become engineers or p____ scientists in the future. So falling can help a student to live a happier life if he or she draws something out of it. They may then decide on their aim and c____  the kind of work that they would be fit for and they would like to do.
    You can't be sure whether you like something u____  you have tried it. If you make a d____  that you would like to play the violin, you need to take more music classes b____ you know if you are really interested in it.
    It is not e____  to hope to be a violinist. You also have to stand the hard practice before you become one. If you would enjoy being a great violinist, but hate the hard and b____  work, just give it up.
    It's a good plan to try as many ideas as possible when you are still young. And then you will be able to find o____ what your true interests are.