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【判断题】
反击式水轮机尾水管的主要功能是将转轮流出的水流排到电站的下游和回收转轮出口水流的部分动能。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】客户机/服务器网络,常称为( )网络
A.
模拟
B.
C/S
C.
B/S
D.
数字
【多选题】下列项目中采用实地盘点方法的有( )
A.
存货
B.
银行存款
C.
固定资产
D.
应收账款
【简答题】Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day. They don’t want anyone to go shopping that day. Buy...
【单选题】驱动电机是电动汽车电驱传动总成的核心部件, 其基本要求是体积小、 质量轻、 转矩大、 效率高及功率大, 小型化、 轻量化是驱动电机的发展趋势, 衡量其轻量化水平的相对指标为 ( ) 。
A.
体积比
B.
比密度
C.
比能量
D.
功率密度
【简答题】People buy things with it.
【单选题】周期的单位 用字母符号 ( ) 来表示。
A.
r
B.
s
C.
t
D.
u
【简答题】Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day. They don’t want anyone to go shopping on that day. ...
【单选题】Most people buy a lot of gifts just before Christmas. But some people think buy too much. They have started a special day called Buy Nothing Day. They don't want anyone to go shopping on that day. Buy...
A.
people need more time to do other things
B.
people buy too many gifts for Christmas
C.
people can hardly afford to buy a lot of gifts
D.
people waste too much time going shopping
【多选题】下列项目中采用实地盘点方法的有( )
A.
库存现金
B.
固定资产
C.
应收账款
D.
银行存款
【简答题】增益、( )、( )是放大电路最基本的性能指标。( )和( )也是衡量放大电路品质优劣的主要性能指标。
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