— Did Lucy go to work today? — Yes, she

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问题选择题

— Did Lucy go to work today?

— Yes, she did, ______ she was not feeling very well. [ ]

A. though

B. until

C. or

D. because

答案

答案：A

单项选择题

在UNIX系统中，Shell程序（）实现显示用户主目录以及当前命令的进程标识符。

A．cho UserHome directory：$LOGNAME echo Carrent shell's PID：$$

B．echo UserHome directory：$HOME echo Carrent shell's PID：$＠

C．echo UserHome directory：$ LOGNAME echo Carrent shell's PID：S＠

D．echo UserHome directory：$HOME echo Carrent shell's PID：$$

单项选择题

建设项目竣工总结算在最后一个单项工程竣工结算确认后15天内汇总，送业主后（）天内审查完成。

A．20

B．45

C．60

D．30