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听力原文：W: What's wrong with you? You look so frustrated. Is it about your new job? M: Well, I have nothing to complain about this new job. Flexible working hours, less stressful and well-paid the only thing bothered is that I seem to be unwelcome in the office. Q: Why does the man look frustrated? (15)A.
He has to work overtime.
B.
He is under great pressure of the job.
C.
He doesn't get along with his workmates.
D.
He is not satisfied with his salary.
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【单选题】下列选项中说法正确的是()
A.
对接接头平焊位置的焊缝余高不得超过4mm
B.
对接接头平焊位置的焊缝余高差不得超过8mm
C.
对接接头平焊位置的焊缝余高差不得超过5mm
D.
对接接头平焊位置的焊缝不得超过8mm
【简答题】A. I have not yet verified the information though I think it is correct. B. I have not yet verified the information, though I think it is correct.
【单选题】The Internet is an open system, and most information is available to everyone．It is very important to add ______ to existing system for protecting the secret information.
A.
Web pages
B.
modem
C.
security
D.
network
【简答题】（8分）我国某校“环球探险社团”在暑期进行了网上模拟探险活动，图中箭头表示探险路线。读图回答下列问题。 (1)学生在A区域看到的自然植被是 。(1分) (2)C探险区存在一个低温中心，该区域种植业集中于 地形。在E地最有可能拍摄的照片是下图中的 ，该地貌景观形成的主要地质作用是 。(3分) (3)探险路线经过南非德班，2011年联合国气候大会在该地举行。...
【简答题】A low context (LC) communication is just the opposite; i.e., the mass of the information is vested in the _________.
【简答题】一个完整的直流稳压电源应该包含______、____、_____、______.
【单选题】()是实现电子商务的最低层的硬件基础设施，是信息传输系统，包括电信网.电视网和Internet等。
A.
网络基础架构层
B.
多媒体内容及网络出版基础架构层
C.
发布信息及信息传播基础架构层
D.
一般商业服务基本架构层
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