的确是instead of 最好,different from 有些牵强,但是我以为题目是那样,所以…………两个介词没什么问题的吧,不要光看这是两个介词,要看这句话,instead of 是固定短语,而on a mettal plate 和 on glass是instead of 所连接的两个短语。英语里面其实还是有一些情况两个介词连用的,he jumped out from behind the sofa.
谢谢waterfrog,偶想通了,其实应该是一种省略:captured images on sth. instead of (images) on sth.
34. 还是没搞懂,cited from Longman: 2▶MEANS/METHOD◀ used to say what means or method someone uses to do something by doing something She earns her living by selling insurance. He was taken from his home by force.