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【多选题】
S refers to sociocultural factors in the PEST analysis. Sociocultural factors include:
A.
Values;
B.
Beliefs;
C.
Religions
D.
Lifestyles
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参考答案:
举一反三
【单选题】What is the electrode holder used to hold?
A.
Workpiece
B.
electrode
C.
C
D.
D
【判断题】The electrode holder is used to hold the tungsten electrode.
A.
正确
B.
错误
【简答题】在图5所示稳压电路中,已知【图片】=10V,【图片】=5V,【图片】=10mA,【图片】=500Ω,则限流电阻【图片】应为______Ω。【图片】 图5
【判断题】The electrode holder is used in shielded metal-arc welding.
A.
正确
B.
错误
【简答题】The electrode holder is used to hold the ________ .
【单选题】假设变量I为整型量,比较下面两条if语句,选出正确答案______。 if(I!=0); if(I);
A.
两者作用不同
B.
两者作用等价
C.
两者作用相反
D.
if(I)语法错
【判断题】The electrode holder is fastened to the negative pole of the generator in straight polarity.
A.
正确
B.
错误
【简答题】The electrode holder is connected to the welding machine with a cable.
【判断题】Work clamp is used to connect the electrode holder to the welding machine.
A.
正确
B.
错误
【简答题】已知图中U1=2V,U2=-8V,则UAB= ()V 【图片】
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