第4题: [单项选择]What command would be used to restart the mail daemon?() A. sendmail -bi B. refresh -s sendmail C. restart -a sendmail D. /etc/sendmail.cf -stop /etc/sendmail.cf -start 参考答案:B
第23题: [单项选择]This problem will be ______ discussed in Chapter 2. A. deep B. enough C. further D. farther 参考答案:C 答案解析:[考点] 副词辨析 [解析] 分析句子,主干结构完整,可以看出此空为副词修饰动词discussed,因此选程度副词further,意为“进一步地”,符合语法结构。 [避错] A)作