定語從句
1.The coming of age of the postwar baby boom and an entry of women into the male-dominated job market have limited the opportunities of teenagers who are already questioning the heavy personal sacrifices involved in climbing Japan’s rigid social ladder to good schools and jobs. 2000
2.The winner, by a large margin, was a tiny Virginia company called Open Source Solutions,whose clear advantage was its mastery of the electronic world.2003
3.The overall result has been to make entrance to professional geological journals harder for amateurs, a result that has been reinforced by the widespread introduction of refereeing, first by national journals in the nineteenth century and then by several local geological journals in the twentieth century. 2001
4.As a result, they have lost the parachute they once had in times of financial setback—a back-up earner (usually Mom) who could go intothe workforce if the primary earner got laid off or fell sick.2007
5.Thus, the anthropological concept of “culture,” like the concept of “set” in mathematics, is an abstract concept which makes possible immense amounts of concrete research and understanding.2003
6.The casino issued to him, as a good customer, a "Fun Card" ,which when used in the casino earns points for meals and drinks, and (which) enables the casino to track the user’s gambling activities.2006
7.Television is one of the means by which these feelings are created and conveyed -- and perhaps never before has it served so much to connect different peoples and nations as(it has served)in the recentevents in Europe. 2005
8.He argued that human evolution was characterized by a struggle he called the - survival of the fittest, in which weaker races and societies must eventually be replaced by stronger, more advanced races and societies. 2009
9.But the Nobel Foundation's limit of three recipients per prize, each of whommust still be living, has long been outgrown by the collaborative nature of modern research - as will be demonstrated by the inevitable row over who is ignored when it comes to acknowledging the discovery of the Higgs boson. 2014
10.Other models exist that are hybrids of these three, such as delayed open-access, where/in which journals allow only subscribers to read a paper for the first six months, before making it freely available to everyone who wishes to see it. 2008