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The rapid development of diversification strategy in China has attracted much attention. There are so many companies succeeded but more failed through diversification. Diversification is the main strategy of Chinese business groups and has much influence on the performance of enterprises. Based on the existing literature of this theme, this paper has synthesized some conclusions from domestics and overseas to find out the relationship between diversified strategy and performance. After the review on these articles, we can find that related diversification outperforms unrelated diversification and single business strategy. So it is very urgent for Chinese business groups to return to the core competency and to gain international competitiveness.

Abstract. This article expounds the problems faced by the college students and the inevitable challenges for professors, who are engaging in the bilingual education. It's obvious that the mode of bilingual teaching has been put into the spotlight. Nevertheless, such barriers have also been showed as conceptual changes in cultural differences, knowledge backgrounds as well as the mastery of the majors. The current situations and problems encountered by both graduates and professors would be focused on in this thesis. Meanwhile, targeted solutions would be taken into consideration.