They may not have the name recognition of a Google or a Yahoo, but they can claim to belong in the same league. The websites of Digital Sky Technologies (DST) (36) for more than 70% of page-views on the Russian-language Internet. Naspers is Africa’s biggest media group. And Tencent is China’s largest Internet company by market (37) and the third largest in the world. Now these firms are (38) making their presence felt beyond their home markets. Between them they have (39) in dozens of Internet firms around the globe. The most adventurous of the three, DST, has already moved west—and paid top dollar for stakes in fast-growing American companies, (40) Facebook, the world’s biggest social network. Despite their differences, the three firms can be seen as a block. For one thing, they are financially (41) Naspers owns part of mail.ru and was an early investor in Tencent. What is more, the firms are on the same mission: finding (42) Internet companies in countries where Western investors rarely dare to go. DST’s (43) are Russia and its neighbours, most of which are home to one of its collection of companies; these (44) social networks such as VKontakte.ru and Nasza-Klasa. pl. Naspers has the largest portfolio (有价证券) of Internet firms in developing countries. Tencent has so far been the most (45) of the three, which has some minority stakes in games companies besides its recent investment in DST. This international presence allows the firms to apply lessons they have learned in one country to another. A．account B．capitalization C．cautious D．conclude E．depended F．include G．increasingly H．interrelated I．invested J．non-profit K．notably L．notoriously M．possession N．promising O．territories