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【单选题】
在应用描述函数法分析系统时,系统简化为一个非线性环节和一个线性部分连接的典型结构形式,线性部分应具有______________性能。A.
高通滤波
B.
低通滤波
C.
带通滤波
D.
以上都不是
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【单选题】国内生产某台非标准设备限材料费18万元,加工费2万元,专用工具费率5%,废品损失费率10%,包装费0.4万元,利润率为10%,用成本计算估价法计得该设备的利润是 ( )万元。
A.
2.00
B.
2.10
C.
2.31
D.
2.35
【单选题】Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstrated that rats will, when given a choice over a period of time, prefer w...
A.
encourage rats to drink vitamin-enriched water
B.
find out rats' preference in flavor
C.
test whether rats know which drink is good for them
D.
demonstrate that vitamins are tasteless
【简答题】Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstrated that rats will, when given a choice over a period of time, prefer w...
【单选题】A 公司 2017 年发生如下业务:出租固定资产的折旧 20 万元;销售剩余原材料的成本为 150 万元;将成本为 80 万元的自产产品对外捐赠;将成本为 500 万元的自产产品对外投资。本年的 “ 营业成本 ” 为( )万元。
A.
150
B.
730
C.
750
D.
670
【简答题】A公司2017年发生如下业务:出租固定资产的折旧20万元;销售剩余原材料的成本为150万元;将成本为80万元的自产产品对外捐赠;将成本为500万元的自产产品对外投资。本年的“营业成本”为( )万元。
【单选题】A 公司 2017 年发生如下业务:出租固定资产,当年折旧为 20 万元;销售剩余原材料,成本为 150 万元;将成本为 80 万元的自产产品对外捐赠;将成本为 500 万元的自产产品对外投资。本年的 “ 营业成本 ” 为( )万元。
A.
150
B.
730
C.
750
D.
670
【单选题】Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. (7) It has been demonstrated that rats will, when given a choice over a period of time, pref...
A.
encourage rats to drink vitamin-enriched water
B.
find out rat's preference in flavor
C.
test whether rats know which drink is good for them
D.
demonstrate that vitamins are tasteless
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