2. 职称英语
  3. Scientists should be kept ______ of the latest developments in their research ar

Scientists should be kept ______ of the latest developments in their research ar

游客2023-09-25  83
问题 Scientists should be kept ______ of the latest developments in their research areas.
选项 A、inform
B、informing
C、informed
D、to inform
答案 C
解析 本题考查过去分词的用法。过去分词在意义上表示被动和完成。短语inform sb．of sth．意为“告知某人某事”，本题为inform scientists of the latest...。scientists与inform之间是被动关系，所以C项为正确答案。B项表主动，故排除；D项是不定式，不用于keep的这个用法中。在keep sb．/sth．doing/done结构中，当sb．/sth．与动词间是主动关系时，用动词的现在分词形式，意为“使某人或某物一直做……”；当sb．/sth．与动词间是被动关系时，用动词的过去分词形式，意为“使某人或某物(被)……”。【例句】：Although no worker is in the workshop，the machine is still kept working．(尽管车间没有工人，机器仍然在运转着。)
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