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【单选题】
下列诸多软件中,全都属于系统软件的是________。A.
Windows 7、编译系统、Linux
B.
财务管理软件、编译系统、操作系统
C.
Excel、操作系统、浏览器
D.
Windows 7、Google、Office 2010
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反馈参考答案：
举一反三
【简答题】A型显示超声波探伤仪有始发脉冲，但无反射回波，在确认外部连接部件无故障时应重点检查仪器的（）。
【简答题】A型显示超声波探伤仪有始发脉冲但无反射回波，在确定外部连接部件无故障时应重点检查仪器的脉冲发射电路和（）。
【单选题】Vivian:______Roger: Yes, our family moved in here only a few days ago.Vivian; Welcome to the neighborhood.
A.
Do you need any help?
B.
Are you here for holiday?
C.
Are you new here?
D.
What are you doing here?
【单选题】—By the way, ______ you come across the word 'umbrella'? —Not yet. What does it mean?
A.
have
B.
do
C.
would
【单选题】What other advantages of job swapping does Jane Brown mention?
A.
Companies benefit from having an adaptable workforce.
B.
Staff learn about the overall organization of their company.
C.
Managers find out which employees are suitable for which job.
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