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【单选题】
在中性点不接地的配电系统中,把电气设备的金属外壳用导线和埋在地下的接地装置连接起来,称之为A.
保护接地
B.
保护接零
C.
短路保护
D.
过载保护
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举一反三
【单选题】The author expresses his opinion in the first paragraph that ______.
A.
the hopeless condition of the poor is caused by their powerlessness rather than lack of money
B.
great efforts should be made to help the poor to secure more money without changing present power relationships
C.
it is no use raising the incomes of the poor while not improving their state of powerlessness
D.
in helping the poor attention should be paid to avoiding any unnecessary threat to the established centers of power
【单选题】At the end of the passage, the author expresses about the medical education system.
A.
optimism
B.
hesitation
C.
support
D.
concern
【单选题】In Para. 5 the author expresses his doubt about the effectiveness of trying to change children's indifference toward much of life by ______.
A.
diverting their interest from electronic visual games
B.
prescribing medications for their temporary relief
C.
creating more stimulating activities for them
D.
spending more money on their entertainment
【简答题】In Para 6 the author expresses his doubt about the effectiveness of trying to change children’s indifference toward much of life by ________. A) diverting their interest from electronic visual s B...
【单选题】信息源中有选择地加工过的或按一定思想倾向改动过的信息是 () prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
不可用信息 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
公开信息 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
一级信息 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
二级信息
【单选题】In this passage the author expresses a tone of ______.
A.
admiration
B.
sarcasm
C.
objectivity
D.
disapproval
【单选题】59 In the text the author expresses_____,
A.
his concern for his mother’s health
B.
his support for drinking Chinese green tea
C.
his surprise at China’s recent development
D.
his wonder at the growth of India’s IT industry
【单选题】The author expresses strong disapproval to______.
A.
economically determinist theory
B.
government-centric theory
C.
culturally deterministic theory
D.
theories over the past 25 years
【简答题】下列各种存货发出的计价方法中，不利于存货成本日常管理与控制的方法是（ ）。
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