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【多选题】
关于变压器，正确的描述是（）。
A.
变压器是一种静止的电气设备
B.
变压器利用电磁感应原理将一种电压等级的交流电转变成同频率的另一种电压等级的交流电
C.
变压器按用途一般分为电力变压器、特种变压器及互感器（电压互感器和电流互感器）三种
D.
电力变压器按冷却介质可分为油浸式和干式两种
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【简答题】to transmit maximum torque of the engine
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【单选题】若定义有short s; byte b; char c; 则表达式s*b+c的类型为( )
A.
byte
B.
double
C.
int
D.
char
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【单选题】唢呐属于（）
A.
民族乐器中的吹管乐器
B.
西洋乐器中的木管乐器
C.
西洋乐器中的铜管乐器
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【单选题】For the eye to adapt to intense light, which of the following may occur?
A.
Bipolar cells will continuously transmit signals at the maximum rate possible
B.
Photochemicals in both rods and cones will be reduced to retinal and opsins
C.
The levels of rhodopsin will be very high
D.
Vitamin A will convert into retinal
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【多选题】Refer to the exhibit. The following commands are executed on interface fa0/1 of 2950Switch. 2950Switch(config-if)# switchport port-security 2950Switch(config-if)# switchport port-security mac-address ...
A.
The MAC address table will now have an additional entry of fa0/1FFFF.FFFF.FFFF.
B.
Only host A will be allowed to transmit frames onfa0/1.
C.
This frame will be discarded when it is received by2950Switch.
D.
All frames arriving on 2950Switch with a destination of 0000.00aa.aaaa will be forwarded outfa0/1.
E.
Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be forwarded out fa0/1.
F.
Only frames from source 0000.00bb.bbbb, the first learned MAC address of 2950Switch, will be forwarded out fa0/1.
查看完整题目与答案
【判断题】唢呐属于铜管乐器。
A.
正确
B.
错误
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【单选题】( )是用顶真的修辞手法,将上句末尾的词语作为下句的开头,随韵结合,环环相扣,一气呵成的民间童谣。
A.
摇篮曲
B.
绕口令
C.
连锁调
D.
谜语歌
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【单选题】Which option is correct to configure the maximum transmit packet size of a Fast Ethernet interface?（）
A.
set interfaces fe-0/0/0 unit 0 ethernet-options mtu 1200
B.
set interfaces fe-0/0/0 mtu 1200
C.
set interfaces fe-0/0/0 unit 0 mtu 1200
D.
set interfaces fe-0/0/0.0 mtu 1200
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【单选题】若定义有short s; byte b; char c; 则表达式s * b + c的类型为
A.
char
B.
short
C.
int
D.
byte
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【单选题】若定义有short s；byte b；char c；则表达式s*b+c的类型为（ ）
A.
char
B.
short
C.
int
D.
Byte
查看完整题目与答案
相关题目：
【简答题】to transmit maximum torque of the engine
查看完整题目与答案
【单选题】若定义有short s; byte b; char c; 则表达式s*b+c的类型为( )
A.
byte
B.
double
C.
int
D.
char
查看完整题目与答案
【单选题】唢呐属于（）
A.
民族乐器中的吹管乐器
B.
西洋乐器中的木管乐器
C.
西洋乐器中的铜管乐器
查看完整题目与答案
【单选题】For the eye to adapt to intense light, which of the following may occur?
A.
Bipolar cells will continuously transmit signals at the maximum rate possible
B.
Photochemicals in both rods and cones will be reduced to retinal and opsins
C.
The levels of rhodopsin will be very high
D.
Vitamin A will convert into retinal
查看完整题目与答案
【多选题】Refer to the exhibit. The following commands are executed on interface fa0/1 of 2950Switch. 2950Switch(config-if)# switchport port-security 2950Switch(config-if)# switchport port-security mac-address ...
A.
The MAC address table will now have an additional entry of fa0/1FFFF.FFFF.FFFF.
B.
Only host A will be allowed to transmit frames onfa0/1.
C.
This frame will be discarded when it is received by2950Switch.
D.
All frames arriving on 2950Switch with a destination of 0000.00aa.aaaa will be forwarded outfa0/1.
E.
Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be forwarded out fa0/1.
F.
Only frames from source 0000.00bb.bbbb, the first learned MAC address of 2950Switch, will be forwarded out fa0/1.
查看完整题目与答案
【判断题】唢呐属于铜管乐器。
A.
正确
B.
错误
查看完整题目与答案
【单选题】( )是用顶真的修辞手法,将上句末尾的词语作为下句的开头,随韵结合,环环相扣,一气呵成的民间童谣。
A.
摇篮曲
B.
绕口令
C.
连锁调
D.
谜语歌
查看完整题目与答案
【单选题】Which option is correct to configure the maximum transmit packet size of a Fast Ethernet interface?（）
A.
set interfaces fe-0/0/0 unit 0 ethernet-options mtu 1200
B.
set interfaces fe-0/0/0 mtu 1200
C.
set interfaces fe-0/0/0 unit 0 mtu 1200
D.
set interfaces fe-0/0/0.0 mtu 1200
查看完整题目与答案
【单选题】若定义有short s; byte b; char c; 则表达式s * b + c的类型为
A.
char
B.
short
C.
int
D.
byte
查看完整题目与答案
【单选题】若定义有short s；byte b；char c；则表达式s*b+c的类型为（ ）
A.
char
B.
short
C.
int
D.
Byte
查看完整题目与答案