You want a record of all queries that are not using indexes. How would you achieve this?（） A: By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically B: By enabling the Error Log because not using indexes is an error C: By enabling the Slow Query Log and using the – log-queries-not-using-indexes option D: By enabling the Error Log and using the – log-queries-not-using-indexes optio

选择下列函数运行后的输出NestList[Log,10,3] A: {Log[10],Log[Log[10]],Log[Log[Log[10]]]} B: {10,Log[10],Log[Log[10]],10+Log[Log[Log[10]]]} C: {Log[10],Log[Log[10]],Log[Log[Log[Log[10]]]]} D: {10,Log[10],Log[Log[10]],Log[Log[Log[10]]]}

下列是全局变量的是（）。 A: @error B: @@error C: !error D: error（）

The following is not the geometric error of machining process system (). A: machining principle error B: geometric error of machine tool C: adjustment error D: tool manufacturing error

下列不属于VBA提供的On Error语句形式为()。 A: On Error Goto标号 B: On Error Then 标号 C: On Error Resume Next D: On Error Goto 0

The following is the machining principle error () . A: approximate profile error of forming tool B: spindle revolving error of machine tool spindle C: guide error of machine tool D: fixture error

CentOS操作系统的日志文件默认保存在哪个路径（） A: /etc/log B: /var/log C: /usr/log D: /log

求不定积分[img=115x46]17da65382f8e1b9.png[/img]； （ ） A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4

What is the default filename for the component trace file?（） A: CiscoMIV B: log  C: CiscoMAD D: log  E: CiscoMED F: log  G: CiscoMCV H: log

将error_log()函数的第二个参数设置为1，则将错误记录到指定邮件中。（ ）