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计量经济学练习题(第一章导论).doc
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【单选题】单作用叶片泵、双作用叶片泵和叶片式马达的叶片安装方向通常为( )。
A.
前倾、径向、后倾
B.
后倾、前倾、径向
C.
前倾、后倾、径向
D.
径向、后倾、前倾
查看完整题目与答案
【单选题】In sales by sample, if there is no other specifications (规定） on the goods in the contract, then the goods (     ).
A.
may not be the same as the sample
B.
must be the same as the sample
C.
may be nearly the same as the sample
D.
may be different from the sample
查看完整题目与答案
【单选题】While sales by sample, if there is no other stipulations on the goods in the contract ,then the goods ______.
A.
may bd roughly the same as the sample
B.
may be the samle as the sample
C.
may have reasonalble tolerance
D.
may have reasonable difference on specification
查看完整题目与答案
【多选题】故障切除时间包括( )
A.
保护装置的动作时间
B.
断路器动作时间
C.
充电时间
D.
放电时间
查看完整题目与答案
【多选题】电力系统故障切除时间包括( )
A.
保护的动作时间
B.
断路器触头断开时间
C.
断路器触头间电弧的熄灭时间
D.
故障的持续时间
查看完整题目与答案
【多选题】故障切除时间包括
A.
保护动作时间
B.
断路器动作时间
查看完整题目与答案
【单选题】If there is no other way to save a( )person in a tall building on fire, fire fighters may spread a net into which the person can jump.
A.
volt
B.
wrapped
C.
trapped
D.
deserted
查看完整题目与答案
【单选题】While sales by sample, if there is no other stipulations on the goods in the contract, then the goods _________.
A.
may be roughly the same as the sample
B.
must be the same as the sample
C.
may have reasonable tolerance
D.
may have reasonable differences on specification
查看完整题目与答案
【单选题】双作用式叶片泵的叶片常()安装。
A.
前倾
B.
后倾
C.
径向
D.
轴向
查看完整题目与答案
【单选题】下列哪种现象说明了现代信息技术对人们生活的消极影响？（）
A.
网上购物
B.
垃圾邮件
C.
网上影院
D.
QQ聊天
查看完整题目与答案
相关题目：
【单选题】单作用叶片泵、双作用叶片泵和叶片式马达的叶片安装方向通常为( )。
A.
前倾、径向、后倾
B.
后倾、前倾、径向
C.
前倾、后倾、径向
D.
径向、后倾、前倾
查看完整题目与答案
【单选题】In sales by sample, if there is no other specifications (规定） on the goods in the contract, then the goods (     ).
A.
may not be the same as the sample
B.
must be the same as the sample
C.
may be nearly the same as the sample
D.
may be different from the sample
查看完整题目与答案
【单选题】While sales by sample, if there is no other stipulations on the goods in the contract ,then the goods ______.
A.
may bd roughly the same as the sample
B.
may be the samle as the sample
C.
may have reasonalble tolerance
D.
may have reasonable difference on specification
查看完整题目与答案
【多选题】故障切除时间包括( )
A.
保护装置的动作时间
B.
断路器动作时间
C.
充电时间
D.
放电时间
查看完整题目与答案
【多选题】电力系统故障切除时间包括( )
A.
保护的动作时间
B.
断路器触头断开时间
C.
断路器触头间电弧的熄灭时间
D.
故障的持续时间
查看完整题目与答案
【多选题】故障切除时间包括
A.
保护动作时间
B.
断路器动作时间
查看完整题目与答案
【单选题】If there is no other way to save a( )person in a tall building on fire, fire fighters may spread a net into which the person can jump.
A.
volt
B.
wrapped
C.
trapped
D.
deserted
查看完整题目与答案
【单选题】While sales by sample, if there is no other stipulations on the goods in the contract, then the goods _________.
A.
may be roughly the same as the sample
B.
must be the same as the sample
C.
may have reasonable tolerance
D.
may have reasonable differences on specification
查看完整题目与答案
【单选题】双作用式叶片泵的叶片常()安装。
A.
前倾
B.
后倾
C.
径向
D.
轴向
查看完整题目与答案
【单选题】下列哪种现象说明了现代信息技术对人们生活的消极影响？（）
A.
网上购物
B.
垃圾邮件
C.
网上影院
D.
QQ聊天
查看完整题目与答案