Children are encouraged to read such good books necessary for their mental devel
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Children are encouraged to read such good books _____ necessary for their mental development.
A. as B. as they are C. as are D. that are
试题答案
C
考查such…as引导的限定性定语从句，as作定语从句的主语。句意：鼓励孩子们读对他们的智力发展有必要的好书。