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【单选题】
A user calls about a problem with receiving email. After troubleshooting the user’s computer and finding nothing wrong, the technician contacts the email sender and finds out the user gave out their email address incorrectly. Which of the following is the BEST approach in explaining the issue to the user?()
A.
“Sometimes computers are just strange, but it seems to be working now.”
B.
“You gave them the wrong address and caused this problem.”
C.
“The sender had the e-mail address wrong, but they have it correct now and the problem has been resolved.”
D.
“The SMTP server was not getting a proper resolution of the recipient name field when it was parsing the header.”
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【简答题】请根据下面的描述,写出游客的个性类型。 1.无意中说了一句话,游客立刻脸色变化,沉默不语,游客可能属于( )。 2.游客不停地在销售面前说自己去过许多旅游景点,游客可能属于( )。 3.无论如何幽默逗乐,游客依然面无表情,如何催促,依旧稳如泰山,游客可能属于( )。 4.游客拨打门市电话,未在3声之内接听,一接通就发脾气,游客可能属于( ...
【单选题】进入青春期后,许多同学都遇到了一些问题,例如:小强原来歌声嘹亮动听,最近因变声致歌声沙哑;小丽白皙的脸上最近长了一脸青春痘,心里很烦;小亮的理想是成为一名篮球运动员,可自己的身高让自己头疼......针对这些现象,下面观点正确的有 1 进入青春期,脸上长青春痘是正常的生理现象 2 变声是非常严重的生理现象,应该尽快看医生 3 青春期身体的发育情况各不相同,这属于正常的现象 4 不因自己的生理变化而...
A.
①②③
B.
①③④
C.
①②④
D.
②③④
【单选题】在垄断性竞争条件下,企业长期均衡时的条件是
A.
MR=MC
B.
P=AC和MR=MC
C.
P=AC=MC
D.
P=MR=MC
【单选题】Her mother often forgets _____ the door but this morning she remembered _____ it.
A.
to close…to close
B.
closing … closing
C.
to close …closing
D.
closing … to close
【简答题】SQL的中文含义为____。
【简答题】2-5-1 试求图2-T-1中所示RC网络的传递函数。将结果按典型环节的形式列出。 解:电容C的复域阻抗为____, C和R1的并联阻抗为____,(请在演算后直接写出结果) 由此可以求出传递函数为____。(请在演算后直接写出结果) 按典型环节的形式应该写为____。(在方框内填空,不用加括号)
【单选题】设MC为边际成本,MR为边际收益,AC为平均成本。在完全竞争市场条件下,企业的短期均衡条件是()。
A.
MC=ACMR>AC
B.
MC=MR,MR>AC
C.
MC=MR,AC>MR
D.
MC=MR,MR
【简答题】A.closed to B.closing C.close to D.close
【单选题】在完全竞争条件下,企业达到长期均衡的条件是
A.
P = MC
B.
P=MC=AC
C.
P =MR=MC
D.
P=MR=AC
【简答题】如何将整屏、当前窗口画面复制到剪贴板中?
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