30、 collaborating…Achallenge B, and B is proved negative。
cooperating ……想不起来了，再回忆回忆 by 冬日旅馆 31、 考点：todo sth is to do sth （迷惑选项有to do sth is doing sth; to do sth is n; todo sth means sth） By DexJ 32、 考点：sbagree that…, and that… By DexJ 33、 分别是“分号/破折号/逗号+解释的内容” 解释： 因为SC很可能因为细节不准确而产生误导，所以只说了考点。我努力回忆了一下，此题考点两个（1）对前面完整结构的解释；（2）后面的并列。（下面的细节不保证对，但是这个意思） 【A】(一个完整的主谓宾结构：大意说艺术兴起)—the presence of a great number of art works in churches and museums, as well as a sophisticated art market. (我选这个) 【B】(完整结构)；the presence of a great number of art works in churches, museums；as well as a sophisticated art market. (注意有两个分号） 【C】(完整结构), the presence of a great number of art works in churches, museums, and a sophisticated art market By DexJ 34、 倒装加重语气的用法 - Only in ... , is there a ... by allenwanghl | 
