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  3. Since his wife died, he has______himself into the research work.

Since his wife died, he has______himself into the research work.

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问题 Since his wife died, he has______himself into the research work.
选项 A、devoted
B、dedicated
C、thrown
D、contributed
答案C
解析 词义辨析题。本题难度稍大，关键点在题干中的into一词。devote与dedicate意思相近，均为“致力于”，但是这两个词要用于devote／dedicate oneself to结构中。throw oneself可与into连用，意为“投身于”，符合题意。contribute to意为“导致；捐献”，一般不与oneself连用。另外，devote与dedicate略有不同，前者为普通用词，表示“投入”，后者一般则强调“为理想而献身”。参考例句：Hedevoted much of his time to studying English．他把大量时间投在了英语学习上。Shededicated／devoted all her life to the welfare of women and children．她一生致力于妇女和儿童的福利。This magazine is dedicated to natural science．这是一本专注于自然科学的杂志。
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