题目

用“第三人称单数”改写短文。My name is Ben. I live in Sydney. I like doing kung fu and word puzzles. I do homework and read books every day. I usually go to school by bus. Sometimes I go on foot. I often play basketball with my friends on Sunday afternoon. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密，每处不超过巧个字。①____?这是当今医学界的一个重要研究课题。因为以前手术时要开大的切口，往往会留下伤疤，所以患者不仅要承受巨大的体力负担，②___。随着新型内窥镜的不断精细化发展，不仅胃和食道甚至脑和膜脏等缝隙更窄部位的手术，都可以不开切口，这种低侵害手术受到人们的普遍欢迎。随着今后高科技医疗器械的发展，③___，更有效地减轻患者的负担。