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【简答题】
CO2气体保护焊时，随着焊接电流的增加或电弧电压的降低，焊缝金属中的元素烧损减小。( )
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举一反三
【单选题】--Have you _ your debt? ---Yes, we worked day and night to _____.
A.
paid off, pay for them
B.
paid for, pay them
C.
paid, pay for them
D.
paid for, pay them off
【单选题】Paid-in surplus is part of:
A.
net working capital.
B.
l ong-term debt. .
C.
Net fixed assets .
D.
Owners ’ equity
【单选题】They took a hell of a risk and suffered a great deal but it______.
A.
paid back
B.
paid up
C.
paid off
D.
paid down
【单选题】In the figure, consumer surplus at P0 is:
A.
less than consumer surplus at P1
B.
the same as consumer surplus at P1
C.
greater than consumer surplus at P1
D.
zero
【简答题】A．Insurance, paid vacation, and a company vehicle. B．Paid vacation, opportunities for promotion, and insurance. C．Opportunities for advancement, insurance, and a free bus pass. D．Paid vacation, insura...
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