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问题 不定项选择

记名股票的特点包括（）。

A．转让相对复杂或受限制

B．可以一次或分次缴纳出资

C．股东权利归属于记名股东

D．便于挂失，相对安全

答案

参考答案：A, B, C, D

补全对话，情景问答

补全对话。
A: 1_____?
B: I'm watching TV.
A: TV show is boring. 2 _____.
B: That sounds great. 3 _____?
A: Yes, I do. I have a new soccer.
B: 4 _____?
A: It's sunny outside. It's good for sports.
B: 5 _____?
A: At the door of the park, OK?
B: Great. See you.

A. Where are we going to meet      
B: What are you doing, Tom
C. What's the weather like outside  
D. Do you have a soccer ball
E. Let's go and play soccer ball      
F. Are you watching TV
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问答题 简答题

计算题：某离心泵的总效率为70%，实测的流量为70.37m3/h，扬程为50.5m，介质的密度为998.2kg/m3，试确定电动机的功率。（g=9.18m/s2，按1.2倍轴功率配备）
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