36.A根据空前“It was snowing that day,and the boy succeeded in getting a glimpse of a six-sided snowflake(雪花)with thedevice,”可知,A选项“这开启了他持续一生的迷恋。”符合,A项中的主语This指代前一句中的succeeded in getting a glimpse of asix-sided snowflake(雪花)with the device。37.F根据该段主要大意“在户外,他在一个涂成黑色的木制托盘上收集雪花。一旦进到室内,他仍然戴着大手套以保持手部温暖,用吸管拾起雪花并将其放在显微镜载玻片上。接着,他小心翼翼地避免呼吸吹到薄片上,迅速对其进行了检查和拍照”可知,F项“这个(摄影)过程既困难,又寒冷。”符合。38.E"Bentley developed the plates in a dark room under some stairs and then carried the plates to a nearby stream to washthem.”可知,E项“有时候Bentley会选择在夜里摸黑完成这一切(指冲洗感光板的过程)”符合。39.G根据空前“Occasionally,he felt discouraged that few people seemed to care about his work.”可知,G项“但是他从不放弃。”符合,该项与空前句子中的he felt discouraged相呼应。40.D根据空前“People began to call him‘the Snowflake Man'and‘Professor Bentley.,”可知,Bentley的雪花摄影吸引了人们的极大兴趣。D项“珠宝制造商模仿了这些雪花的设计图案。”是其中一个方面。