For museum enthusiasts who love to know more about China’s history and culture through,well,museums,a hidden gem awaits their discovery—in a rather unexpected place.This September,we went to a picturesque mountain c...
The Double Take column looks at a single topic from an African and Chinese perspective.This month we discuss whether we should save for the future or borrow for the present.Stay Alert to Consumerism Cao Qing A 28-year...
【学生】请问,下列这个题目的答案是什么?(浙江黄海娜)Our school library is______ on Tuesdayand Friday. You can borrow books therenext Tuesday.A.opens B.openC.opened D.opening【老师】答案选B项。【学生】为什么会这样选呢?...
Supported by the National Natural Science Foundation of China Grants(No.11231010 and 11171330);Key Laboratory of RCSDS,CAS(No.2008DP173182)
Longitudinal data often arise when subjects are followed over a period of time, and in many situations, there may exist informative observation times and a dependent terminal event such as death that stops the follow-...