题目内容：

回答时请顺便说明一下 .
1.we read anything ____ we could find on the education of minority groups.
A that B which C about which D in which
(为什么是选A而不是选D?)
2.____ was discussed before,copper is seldom used in its pure form except in the electrical industry.
A that B which C what D as
(本句话的答案是D D选项中的AS是表示什么意思?)
3.it was ____ every one went to the beach.
A such hot a weather so
B such hot weather that
C a hot enough weather so that
D so hot weather that
(为什么是选B而不是D 形容词不是应该用SO修饰么?)

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we could find作定语修饰anything,定从中缺少宾语,that可以作宾语,所以是that.另：先行词是anything的时候,引导词不宜用which,in which就更讲不通了,因为只缺少宾语.正如以前所讨论的那样.as,像……那样,如……如果...