[-B60] He _____ his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to翻译并分析

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[-B60] He _____ his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to翻译并分析
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[-B60] He _____ his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to翻译并分析
[-B60] He _____ his experiments and made a great contribution to our country.
A.dived himself into
B.devoted himself into
C.dived into
D.devoted to
翻译并分析

[-B60] He _____ his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to翻译并分析
He dived into his experiments and made a great contribution to our country.
他沉浸在他的实验中并且为国家做出了重大的贡献
dive into 是固定搭配 (没有oneself)
devote oneself to 也是固定搭配(是to而不是into)
所以ABD都不符合
只有选C

dive into
固定搭配

他专研在他的实验中并且为国家做出了重大的贡献
dive into