1．(2019·镇江模拟)Historic sites impress writers with their amazing beauty, which are a great source of ________.
A．inspiration B．composition
C．occupation D．combination
解析：选A 句意：历史遗迹以其惊人的美给作家们留下了深刻的印象，这是灵感的源泉。inspiration“灵感，鼓舞”，符合句意。composition“作文；作曲”；occupation“职业，工作”；combination“结合，联合体”。
2．(2019·苏州模拟)Homesharing in rural areas has huge growth ________ as more and more Chinese tourists are traveling to villages for unique rural experiences.
A．survival B．potential
C．interval D．approval
解析：选B 句意：房屋共享在农村有很大的增长潜力，因为越来越多的中国游客到乡村旅游，以获得独特的乡村体验。potential “潜力”，符合语境。survival“幸存”； interval“间隔，幕间休息”； approval“赞成，同意”。
3．(2019·南通模拟)Jack's fellow workers often turn to him for help when trapped in trouble because he is a ________ of ideas.
A．fountain B．session
C．diagram D．resource
解析：选A 句意：杰克的同事们经常在陷入困境时向他求助，因为他是主意的源泉。a fountain of ideas“主意的源泉”。session“学期，一段时间”； diagram“图表”；resource“资源”。
