来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/04/29 13:36:34
grammar problem1
The computer has been taught to play chess,____is a fairly accurate yard stick for measuring its progress in the ability to learn from exprience.
A.which B.what C.as it D.that
What about
有逗号,也排出了C
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