第31题: [单项选择]Dell, one of the biggest computer makers, decided to lay off ______ 8,000 employees over the next year as part of an ongoing restructuring project. A. several B. a few C. some D. a lot 参考答案:C 答案解析:[理由] 本句测试表“大约”的副词,之后接明确的数字: some+数字 大约……,若干…… =around+数字 =about+数字 =approximatel