标题: OG17 SC here~here~来讨论~！ [打印本页] 作者: LuLuanna 时间: 2016-7-31 09:37 标题: OG17 SC here~here~来讨论~！ 754. Unlike the original National Museum of Science and
Technology in Italy, where the models are encased in
glass or operated only by staff members, the Virtual
Leonardo Project, an online version of the museum,
encourages visitors to touch each exhibit, which thereby activates the animated functions of the piece.
(A) exhibit, which thereby activates
(B) exhibit, in turn an activation of
(C) exhibit, and it will activate
(D) exhibit and thereby activate
(E) exhibit which, as a result, activates
答案D 选了A
看了一些网上的分析，讲which修饰exhibit，逻辑错误，排除A、E
C项 it指代不清
剩B、 D
疑问：
B项是in turn后面句子成分残缺吗；
D项是to touch...and to activate的形式其中activate前的to被省略了吗？