【Abstract】This study explores the usage differences of because between Chinese English learners and native speakers ba......

A growing body of literature has documented the rapidly increasing Income disparities that accompanied China’s economic......

一、导言进行合理可靠的因果推论是政治学的持久目标,科利尔、布拉迪和西赖特认为联合质性和研究方法能够有助于达到这一目标。纳......

The interaction between the heat source location, its intensity, thermal expansion coefficient, the machine system confi......

The Syllabus for English Majors at Universities and Colleges(2000) makes it clear to further strengthen the English majo......

In this paper, we are interested in exploring the dynamic causal relationships among two sets of three variables in diff......

目的 探讨双酚A与不明原因复发性流产的关系,为预防复发性流产提供科学依据.方法 采用以医院为基础的1∶1匹配病例-对照,对60例不......