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【单选题】
机械波的表是 ,式中 y 和 x 的单位是 m , t 的单位是 s ,则( )
A.
波长为 5 m
B.
波速为 10 m × s -1
C.
周期为 s
D.
波沿 x 正方向传播
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【单选题】The average fixed cost curve
A.
always declines with increased levels of output.
B.
always rises with increased levels of output.
C.
declines as long as it is above marginal cost.
D.
declines as long as it is below marginal cost.
查看完整题目与答案
【判断题】如使用多式联运提单,发货人与多式联运经营人不必签订多式联运合同。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某企业为增值税一般纳税人,10月份发生下列经济业务: (1)10月1日,企业向南方企业购入原材料,增值税专用发票上注明的价款为30 000元,增值税为5 100元,运输费不含税价1 000元(税率11%),材料验收入库,价款用银行存款支付。 (2)10月3日,企业销售应税消费品一批,价款为200 000元,增值税率为17%,消费税率为10%,开出增值税专用发票,款项已经收到。 (3)10月25日,...
A.
29300元
B.
28900元
C.
28830元
D.
9340元
查看完整题目与答案
【单选题】Average fixed costs
A.
will remain unchanged as output expands.
B.
are defined as the change in total costs divided by the change in output.
C.
will always increase as output increases.
D.
will always decrease as output expands.
查看完整题目与答案
【单选题】The average fixed cost curve
A.
a. always declines with increased levels of output.
B.
b. always rises with increased levels of output.
C.
c. declines as long as it is above marginal cost.
D.
d. declines as long as it is below marginal cost.
查看完整题目与答案
【单选题】下列关于多式联运单据的叙述,错误的是( )。
A.
多式联运单据是多式联运合同的证明
B.
多式联运单据具有物权凭证的性质和作用
C.
多式联运单据是多式联运承运人收到货物的凭证
D.
多式联运单据是多式联运承运人签发的,保证据此交付货物的单证
查看完整题目与答案
【单选题】()是确定多式联运性质的根本依据,也是区别多式联运与一般联运的主要依据。
A.
多式联运合同
B.
全程多式联运单据
C.
多式联运提单
D.
货物承运收据
查看完整题目与答案
【多选题】周期信号的傅里叶级数频谱包括( )
A.
三角频谱
B.
幅度频谱
C.
相位频谱
D.
指数频谱
查看完整题目与答案
【单选题】Average fixed cost:
A.
remains unchanged as output expands.
B.
is defined as the change in total cost divided by the change in output.
C.
always increases as output increases.
D.
always decreases as output expands.
查看完整题目与答案
【单选题】The average fixed cost curve( )
A.
always declines with increased levels of output.
B.
always rises with increased levels of output.
C.
declined as long as it is above marginal cost.
D.
declined as long as it is below marginal cost.
查看完整题目与答案
相关题目:
【单选题】The average fixed cost curve
A.
always declines with increased levels of output.
B.
always rises with increased levels of output.
C.
declines as long as it is above marginal cost.
D.
declines as long as it is below marginal cost.
查看完整题目与答案
【判断题】如使用多式联运提单,发货人与多式联运经营人不必签订多式联运合同。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某企业为增值税一般纳税人,10月份发生下列经济业务: (1)10月1日,企业向南方企业购入原材料,增值税专用发票上注明的价款为30 000元,增值税为5 100元,运输费不含税价1 000元(税率11%),材料验收入库,价款用银行存款支付。 (2)10月3日,企业销售应税消费品一批,价款为200 000元,增值税率为17%,消费税率为10%,开出增值税专用发票,款项已经收到。 (3)10月25日,...
A.
29300元
B.
28900元
C.
28830元
D.
9340元
查看完整题目与答案
【单选题】Average fixed costs
A.
will remain unchanged as output expands.
B.
are defined as the change in total costs divided by the change in output.
C.
will always increase as output increases.
D.
will always decrease as output expands.
查看完整题目与答案
【单选题】The average fixed cost curve
A.
a. always declines with increased levels of output.
B.
b. always rises with increased levels of output.
C.
c. declines as long as it is above marginal cost.
D.
d. declines as long as it is below marginal cost.
查看完整题目与答案
【单选题】下列关于多式联运单据的叙述,错误的是( )。
A.
多式联运单据是多式联运合同的证明
B.
多式联运单据具有物权凭证的性质和作用
C.
多式联运单据是多式联运承运人收到货物的凭证
D.
多式联运单据是多式联运承运人签发的,保证据此交付货物的单证
查看完整题目与答案
【单选题】()是确定多式联运性质的根本依据,也是区别多式联运与一般联运的主要依据。
A.
多式联运合同
B.
全程多式联运单据
C.
多式联运提单
D.
货物承运收据
查看完整题目与答案
【多选题】周期信号的傅里叶级数频谱包括( )
A.
三角频谱
B.
幅度频谱
C.
相位频谱
D.
指数频谱
查看完整题目与答案
【单选题】Average fixed cost:
A.
remains unchanged as output expands.
B.
is defined as the change in total cost divided by the change in output.
C.
always increases as output increases.
D.
always decreases as output expands.
查看完整题目与答案
【单选题】The average fixed cost curve( )
A.
always declines with increased levels of output.
B.
always rises with increased levels of output.
C.
declined as long as it is above marginal cost.
D.
declined as long as it is below marginal cost.
查看完整题目与答案