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【简答题】
用电火花加工冲模时，若火花间隙能保证配合间隙的要求，用的工艺方法是() A直接配合法 B修配冲头法 C修配电极法 D阶梯电极法
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【简答题】计算机信息安全的基本要求有哪些? 人员管理的一般措施有哪些? 分析技术、管理与法律在保障电子商务安全运作中的作用。
【单选题】关于信息技术在教学中的恰当作用,你认为以下说法中正确的是
A.
信息技术有助于丰富学习资源、改善学习环境、变革学生的学习方式
B.
信息技术的功能强大，将代替黑板、图片、实物、演示实验仪器等传统媒体
C.
信息技术是重要的教学资源和工具，应当争取在每节课的教学中使用
D.
在教学中运用信息技术一定会对学生的学习起到积极作用
【单选题】Affluenza For many people, economic growth and an increase in possessions are signs of progress, but for anti-consumer groups overconsumption and materialism are sicknesses. A recent Public Broadcasti...
A.
combines two words together
B.
is often made by putting words or parts of words together
C.
is made in the way coins are produced
D.
gives an old word a new meaning
【单选题】Affluenza For many people, economic growth and an increase in possessions are signs of progress, but for anti-consumer groups overconsumption and materialism are sicknesses. A recent Public Broadcasti...
A.
combines two words together
B.
is often made by putting words or parts of words together
C.
is made in the way coins are produced
D.
gives an old world a new meaning
【简答题】Many social consequences brought forth by electronic proximity include ______.
【简答题】简述右图所示设备的名称及工作过程。
【单选题】Which one is not included in the symbols and signs of social intercourse?
A.
Customs.
B.
Gestures.
C.
Facial expressions.
D.
Fashion.
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