题目内容
.Saving resources is a basic policy of our country . And it proves _____ to its sustainable development .
A. to be great significance B. to be of great significant
C. of great significance D. great significant
C
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题目内容
.Saving resources is a basic policy of our country . And it proves _____ to its sustainable development .
A. to be great significance B. to be of great significant
C. of great significance D. great significant
C