A teacher’s to education is worth great respect of the whole society because it brings benefits to the development of society.
A. devotion
B. principle
C. identity
D. guidance
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(答案→)A. devotion
B. principle
C. identity
D. guidance
解析：名词辨析。A奉献；B原则；C身份；D知道。指老师对教育事业的奉献是值得全社会尊敬的。