第25题: [单项选择]Scientists should be kept ______ of the latest developments in their research areas. A. inform B. informing C. informed D. to inform 参考答案:C 答案解析: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...。scie