21.Analysts said that sport in general has become a social elevator. 提高人的社会地位

　　22.bold exploration

　　23.need to be developed to meet/satisfy increased demand.

　　24.at a primarystage of development

　　25.transient

　　26.I’m a native of Jiangsu provincewww.Examw.com

　　27.lifetime occasion人生大事(结婚等)

　　28.The number of A has been on the rise for the past decade.

　　29.choose a happy and easy way to do sth instead of being bound by tradition

　　30.Sun Zhongshan paved the way toward a Chinese utopia, but could only show it on paper.

　　31.A, to some degree, lack the imaginationof westerners.

　　32.A believed it could help transform China from a decaying country into a fresh and new one.

　　33.Sci-fi peaked in the 1970s. 科幻小说

　　34.Many firms use tactics designed to hide their intent to gather and profit from the data they collect.

　　35.We have done our part to provide up-to-date info.

　　36.With a shared vision for the future, 21st century will prosper.

　　37.innovative

　　38.motivate sb to do

　　39.provide easy access to English education for learners

　　40.The hosting of the 2008 Olympic games