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【单选题】
R、L、C串联电路中，在电容C上再并联一个电阻R1，则电路的谐振频率将( )。
A.
升高
B.
降低
C.
不变
D.
不确定
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举一反三
【单选题】在Internet中,中继器的功能是()。
A.
连接不同结构的网络
B.
完成数据包按最优路径转发
C.
调制解调
D.
信号放大和传送
查看完整题目与答案
【单选题】-You were not at home when I called you yesterday. -No. We weren't. We___________ in the nearby supermarket at the moment. [     ]
A.
were doing shopping
B.
have done some shopping
C.
are going shopping
D.
had done some shopping
查看完整题目与答案
【单选题】下列不是数字中继器的功能是（）。
A.
时钟提取
B.
码型变换和反变换
C.
A/D变换
D.
帧同步
查看完整题目与答案
【单选题】两事件A、B，事件A的发生使事件B发生了某种变化，则事件A对事件B的效应___
A.
存在
B.
不存在
C.
都有可能
D.
不确定
查看完整题目与答案
【单选题】We call Mother’s brother ( )
A.
aunt
B.
grandfather
C.
uncle
查看完整题目与答案
【判断题】When Woolworths Supermarkets introduces brands such as Woolworths Fresh, Woolworths HomeBrand, and Woolworths Select onto its shelves, these are examples of manufacturer brands.
A.
正确
B.
错误
查看完整题目与答案
【单选题】What do we learn about Woolworths from the news report?
A.
It is likely to close many of its stores.
B.
It is known for the quality of its goods.
C.
It remains competitive in the recession.
D.
It will expand its online retail business.
查看完整题目与答案
【单选题】.中继器的功能是( )
A.
放大信号和按原方向传输
B.
存储转发
C.
转换协议
D.
将一个接口转换为多个
查看完整题目与答案
【单选题】What did Woolworths attempt to do recently?
A.
Expand its business beyond groceries.
B.
Fire 25,000 of its current employees.
C.
Cut its DVD publishing business.
D.
Sell the business for one pound.
查看完整题目与答案
【单选题】某家纺企业在经济开发区投资建设生产基地，在施工的前期阶段，租用两台QY25汽车吊施工，其中一台QY25H汽车吊司机在吊装一吨左右的钢构件时，机体发生倾覆，致使两节起重臂折断，支腿油缸损坏，造成直接经济损失7万元，事后发现司机只支了一边的支腿。试根据上述事件回答下列问题：其中，判断题二选一（A.B选项），单选题四选一（A.B.C.D选项），多选题四选二或三（A.B.C.D选项）；不选、多选、少选、错...
A.
责任事故
B.
质量事故
C.
自然事故
D.
重大事故
查看完整题目与答案
相关题目：
【单选题】在Internet中,中继器的功能是()。
A.
连接不同结构的网络
B.
完成数据包按最优路径转发
C.
调制解调
D.
信号放大和传送
查看完整题目与答案
【单选题】-You were not at home when I called you yesterday. -No. We weren't. We___________ in the nearby supermarket at the moment. [     ]
A.
were doing shopping
B.
have done some shopping
C.
are going shopping
D.
had done some shopping
查看完整题目与答案
【单选题】下列不是数字中继器的功能是（）。
A.
时钟提取
B.
码型变换和反变换
C.
A/D变换
D.
帧同步
查看完整题目与答案
【单选题】两事件A、B，事件A的发生使事件B发生了某种变化，则事件A对事件B的效应___
A.
存在
B.
不存在
C.
都有可能
D.
不确定
查看完整题目与答案
【单选题】We call Mother’s brother ( )
A.
aunt
B.
grandfather
C.
uncle
查看完整题目与答案
【判断题】When Woolworths Supermarkets introduces brands such as Woolworths Fresh, Woolworths HomeBrand, and Woolworths Select onto its shelves, these are examples of manufacturer brands.
A.
正确
B.
错误
查看完整题目与答案
【单选题】What do we learn about Woolworths from the news report?
A.
It is likely to close many of its stores.
B.
It is known for the quality of its goods.
C.
It remains competitive in the recession.
D.
It will expand its online retail business.
查看完整题目与答案
【单选题】.中继器的功能是( )
A.
放大信号和按原方向传输
B.
存储转发
C.
转换协议
D.
将一个接口转换为多个
查看完整题目与答案
【单选题】What did Woolworths attempt to do recently?
A.
Expand its business beyond groceries.
B.
Fire 25,000 of its current employees.
C.
Cut its DVD publishing business.
D.
Sell the business for one pound.
查看完整题目与答案
【单选题】某家纺企业在经济开发区投资建设生产基地，在施工的前期阶段，租用两台QY25汽车吊施工，其中一台QY25H汽车吊司机在吊装一吨左右的钢构件时，机体发生倾覆，致使两节起重臂折断，支腿油缸损坏，造成直接经济损失7万元，事后发现司机只支了一边的支腿。试根据上述事件回答下列问题：其中，判断题二选一（A.B选项），单选题四选一（A.B.C.D选项），多选题四选二或三（A.B.C.D选项）；不选、多选、少选、错...
A.
责任事故
B.
质量事故
C.
自然事故
D.
重大事故
查看完整题目与答案