John used to be such a computer buff that he spent a large part of his income______his computer whenever a new CPU was introduce

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问题 John used to be such a computer buff that he spent a large part of his income______his computer whenever a new CPU was introduced.

选项 A、imbibe
B、modify
C、increase
D、upgrade

答案D

解析 动词词义辨析。根据句中a new CPU was introduced提供的信息,说明John upgrade(升级,提升)了电脑,其它选项均不符合逻辑。故答案为D。imbibe“吸收”。
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