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It was an important achievement that Peking University abolished female forbiddance and implemented coeducation in Women's Liberation Movement during the May 4th New Culture Movement. In this period, newspaper media kept up with the historical trend. As the leader of public opinion, Newspaper media intervened, reported and publicized the abolishment of female forbiddance and the implementation of coeducation in Peking University. It promoted the involvement of different social forces: the Principal of Peking University — Cai Yuanpei, female intellectuals, teachers and students of Peking university. These various forces played different roles in this trend. In their interaction, the abolishment of female forbiddance and the implementation of coeducation in Peking University began with appeals and debates and eventually ended with the realization. Furthermore, it aroused a nationwide impact in the education field. It not only reflects that coeducation in universities is a historical trend of democratization and modernization in higher education, but also indicates that newspaper media plays an indispensable role in Women's Liberation Movement.

China divides the money supply into three levels: cash in circulation M0, cash that flows outside the banking system; the second is the narrow money supply M1, that is, M0 plus the deposit of enterprises and institutions; Money supply M2, that is, M1 plus enterprises and institutions of time deposits, household savings deposits and other deposits. In September 2008, China's monetary policy moderates easing in response to the serious impact of the international financial crisis. At the beginning of 2009, the State Council put forward an annual growth of about 17% M2, more than 5 trillion yuan of new loans, relative to the expected 8% GDP growth rate and 4% of the CPI index is still a moderately easy monetary policy. China's monetary policy this shift is correct, strong with the government's active fiscal policy, the role of economic stabilization and recovery is more obvious.

Shengbing Yang,1,* Shuogui Xu,2,* Panyu Zhou,2,* Jing Wang,3 Honglue Tan,4 Yang Liu,5 TingTing Tang,4 ChangSheng Liu1,3,5 1The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People's Republic of China; 2Changhai Hospital, Department of Orthopedics, the Second Military Medical University, Shanghai, People's Republic of China; 3Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, People's Republic of China; 4Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine China, Shanghai, People's Republic of China; 5Engineering Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai, People's Republic of China *These authors contributed equally to this workAbstract: Osteoinductive and biodegradable composite biomaterials for bone regeneration were prepared by combining poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) with siliceous mesostructured cellular foams (SMC), using the porogen leaching method. Surface hydrophilicity, morphology, and recombinant human bone morphogenetic protein 2 adsorption/release behavior of the SMC/PHBHHx scaffolds were analyzed. Results of scanning electron microscopy indicated that the SMC was uniformly dispersed in the PHBHHx scaffolds, and SMC modification scaffolds have an interconnected porous architecture with pore sizes ranging from 200 to 400 µm. The measurements of the water contact angles suggested that the incorporation of SMC into PHBHHx improves the hydrophilicity of the composite. In vitro studies with simulated body fluid show great improvements to bioactivity and biodegradability versus pure PHBHHx scaffolds. Cell adhesion and cell proliferation on the scaffolds was also evaluated, and the new tools provide a better environment for human mesenchymal stem cell attachment, spreading, proliferation, and osteogenic differentiation on PHBHHx scaffolds. Moreover, micro-computed tomography and histological evaluation confirmed that the SMC/PHBHHx scaffolds improved the efficiency of new bone regeneration with excellent biocompatibility and biodegradability and faster and more effective osteogenesis in vivo. Keywords: stem cells, mesoporous, scaffolds, bone regeneration, rhBMP-2