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【单选题】
A firm reported ($ in millions) net cash inflows (outflows) as follows: operating $75, investing ($200), and financing $350. The beginning cash balance was $250. What was the ending cash balance?
A.
$875.
B.
$25.
C.
$475.
D.
$125.
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参考答案:
举一反三
【单选题】In the deserted factory several huge machines were left to rust and decay.
A.
inaugurate
B.
disintegrate
C.
accelerate
D.
disseminate
【判断题】三维非稳态温度场可以用t=f(x,y,τ)。
A.
正确
B.
错误
【判断题】火花塞二级维护作业内容是清洁、检查或更换火花塞,调整电极间隙。
A.
正确
B.
错误
【简答题】断路器控制和信号回路有哪些主要要求?
【简答题】对断路器的控制和信号回路有哪些主要要求?什么是断路器事故跳闸信号回路构成的“不对应原理”?
【单选题】The keys of Sholes' first typing machines were likely to be twisted together.
A.
Y
B.
N
C.
NG
【单选题】A number of new machines were introduced from abroad,______ an increase in production.
A.
resulted in
B.
to result in
C.
result in
D.
resulting in
【简答题】断路器的控制和信号回路有哪些主要要求?事故跳闸信号回路在其一次电路发生短路故障时的动作程序和信号指示情况是什么?
【单选题】______ of the machines on display were made in China.
A.
Second-fifths
B.
Two-fifth
C.
Two-fifths
D.
Second-fifths
【判断题】象征性交货的特点是卖方凭单交货,买方凭单付款
A.
正确
B.
错误
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