【简答题】—My old friend White is going to visit me. —We haven't seen each other_____ five years. A. since B after C. for
【单选题】You've been my best friend ever since we ___________in the infants.
【单选题】We have been____ by all our friend since we moved to the new house
【单选题】______ we have finished the course, we shall take a new one.
【单选题】A friend, whomI ______ since he went abroad years ago, came to visit me last night.
【简答题】视译 1.约翰逊博士的冲突论表明,许多西方国家对东亚,尤其是对中国近年来经济持续增长有一种既失望又焦虑的心情。也反映了人们对西方文明前途的一种与日俱增的困惑和信心的丧失。 2.保护生态系统,保护物种有助于维持自然界的平衡,而这样的平衡已经被近年来的人类活动打破。 3.我们应该求同存异,增进相互理解和信任,消除贸易歧视,反对贸易制裁,加强技术交流与合作。 4.今天各位将游览举世闻名的景点和名胜,参观...
【单选题】按条件f对关系R进行选取,其关系代数表达式为: