[解析]
(1)细节理解题。根据第一段The meaning of the word "volunteer" may be a little different in different countries,but it usually means "one who offers his or her services.("志愿者"一词在不同国家的含义可能稍有不同,但它通常意味着"提供他或她的服务的人"。)及Volunteers don't expect any kind of pay.(志愿者不希望得到任何报酬。)可知,志愿者是指那些无偿帮助他人不求回报的人,故选C。
(2)推理判断题。根据第三段I first heard about Mother Teresa in my high school,we watched a video about her work in India and all over the world.I was so moved by her spirit to help others and her endless love for every human being that after I graduated from high school,I too wanted to try her kind of work.(我第一次听说特蕾莎修女是在高中的时候,我们看了一段关于她在印度和世界各地工作的视频。我被她的帮助他人的精神和她对每个人无尽的爱所感动,所以高中毕业后,我也很想尝试她的工作。)可知,Tracy选择做志愿者是受到了Teresa's的鼓舞,即她想效仿特蕾莎修女,故选B。
(3)推理判断题。根据最后一段It was then that I realized that I had not really come to help,but to learn about and experience another culture that helped improve my own understanding of life and the world.(那时,我意识到我并不是来帮忙的,而是去了解和体验另一种文化,这有助于提高我对生活和世界的理解。)可知,Tracy的新想法是通过帮助别人提高自己。故选D。
(4)标题归纳题。根据第一段The meaning of the word "volunteer" may be a little different in different countries,but it usually means "one who offers his or her services." ("志愿者"一词在不同国家的含义可能略有不同,但通常指"提供服务的人")可知,文章主要讲述了志愿者的职责以及在帮助他人的过程中提高自身素质。有助于提高对生活和世界的理解。因此,这篇文章最好的标题是志愿者的不同含义。A.A Different Meaning Of Volunteer志愿者的不同含义;B.Voluntary Life in India.印度的志愿生活;C.How To Be A Volunteer如何成为一名志愿者;D.Inspiration From Mother Teresa特蕾莎修女的灵感。故选A。