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【单选题】
“将发送方数据转换成接受方的数据格式”功能由OSI参考模型哪层实现( )。
A.
应用层
B.
表示层
C.
会话层
D.
传输层
E.
网络层
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参考答案：
举一反三
【单选题】Questions 11 and 15 are based on the following passage. That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the “first-night” effect....
A.
She monitored the brain activity of participants sleeping in a new environment.
B.
She recruited 35 participants from her Department of Psychological Sciences.
C.
She studied the differences between the two sides of participants’ brains.
D.
She tested her findings about birds and dolphins on human subjects.
查看完整题目与答案
【单选题】Questions 11 and 15 are based on the following passage. That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the “first-night” effect....
A.
She analyzed the negative effect of irregular tones on brains.
B.
She recorded participants’ adaptation to changed environment.
C.
She exposed her participants to two different stimuli.
D.
She compared the responses of different participants.
查看完整题目与答案
【单选题】A diffraction pattern is produced on a viewing screen by illuminating a long narrow slit with light of wavelength λ. If the slit width is decreased and no other changes are made
A.
the intensity at the center of the pattern decreases and the pattern expands away from the bright center
B.
the intensity at the center of the pattern increases and the pattern contracts toward the bright center
C.
the intensity at the center of the pattern does not change and the pattern expands away from the bright center
D.
the intensity at the center of the pattern does not change and the pattern contracts toward the bright center
查看完整题目与答案
【单选题】Studies of the effect that makes many of us slumber or feel sleepy during the queen’s speech on Christmas Day have revealed that changes may be required in Britain’s drink drive legislation. Dr. James...
A.
like to take a short nap after lunch
B.
don’t take a short nap after lunch
C.
don't feel sleepy after lunch
D.
like to sleep twice a day
查看完整题目与答案
【单选题】According to Dr. Neil, what is the most noticeable effect of smaller families?
A.
There is less mixing of ages in smaller families.
B.
Children can get more affection from their parents.
C.
Children can live in a more loving environment.
D.
Children are able to enjoy better living condition.
查看完整题目与答案
【单选题】According to Dr. Nell, what is the most noticeable effect of smaller families?
A.
There is less mixing of ages in smaller families.
B.
Children can get more affection from their parents.
C.
Children can live in a more loving environment.
D.
Children are able to enjoy better living condition.
查看完整题目与答案
【单选题】宋代诗人苏轼《题西林壁》：“横看成岭侧成峰，远近高低各不同，不识庐山真面目，只缘身在此山中。”这首诗说明的哲学道理是( )。
A.
人们不能认识到事物的真相
B.
认识受时间、地点和条件的制约
C.
现象和本质是相互联系、不可分割的
D.
假象不是事物本质的表现
查看完整题目与答案
【判断题】Dr. Todorov researched the effect of photos on choosing an insurance agent.
A.
正确
B.
错误
查看完整题目与答案
【简答题】Two narrow slits 80 mm apart are illuminated with light of wavelength 600 nm. What is the angle of the m = 3 bright fringe in radians?
查看完整题目与答案
【简答题】Light of wavelength 600 nm illuminates a diffraction grating. The second-order maximum is at angle . How many lines per millimeter does this grating have?
查看完整题目与答案
相关题目：
【单选题】Questions 11 and 15 are based on the following passage. That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the “first-night” effect....
A.
She monitored the brain activity of participants sleeping in a new environment.
B.
She recruited 35 participants from her Department of Psychological Sciences.
C.
She studied the differences between the two sides of participants’ brains.
D.
She tested her findings about birds and dolphins on human subjects.
查看完整题目与答案
【单选题】Questions 11 and 15 are based on the following passage. That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the “first-night” effect....
A.
She analyzed the negative effect of irregular tones on brains.
B.
She recorded participants’ adaptation to changed environment.
C.
She exposed her participants to two different stimuli.
D.
She compared the responses of different participants.
查看完整题目与答案
【单选题】A diffraction pattern is produced on a viewing screen by illuminating a long narrow slit with light of wavelength λ. If the slit width is decreased and no other changes are made
A.
the intensity at the center of the pattern decreases and the pattern expands away from the bright center
B.
the intensity at the center of the pattern increases and the pattern contracts toward the bright center
C.
the intensity at the center of the pattern does not change and the pattern expands away from the bright center
D.
the intensity at the center of the pattern does not change and the pattern contracts toward the bright center
查看完整题目与答案
【单选题】Studies of the effect that makes many of us slumber or feel sleepy during the queen’s speech on Christmas Day have revealed that changes may be required in Britain’s drink drive legislation. Dr. James...
A.
like to take a short nap after lunch
B.
don’t take a short nap after lunch
C.
don't feel sleepy after lunch
D.
like to sleep twice a day
查看完整题目与答案
【单选题】According to Dr. Neil, what is the most noticeable effect of smaller families?
A.
There is less mixing of ages in smaller families.
B.
Children can get more affection from their parents.
C.
Children can live in a more loving environment.
D.
Children are able to enjoy better living condition.
查看完整题目与答案
【单选题】According to Dr. Nell, what is the most noticeable effect of smaller families?
A.
There is less mixing of ages in smaller families.
B.
Children can get more affection from their parents.
C.
Children can live in a more loving environment.
D.
Children are able to enjoy better living condition.
查看完整题目与答案
【单选题】宋代诗人苏轼《题西林壁》：“横看成岭侧成峰，远近高低各不同，不识庐山真面目，只缘身在此山中。”这首诗说明的哲学道理是( )。
A.
人们不能认识到事物的真相
B.
认识受时间、地点和条件的制约
C.
现象和本质是相互联系、不可分割的
D.
假象不是事物本质的表现
查看完整题目与答案
【判断题】Dr. Todorov researched the effect of photos on choosing an insurance agent.
A.
正确
B.
错误
查看完整题目与答案
【简答题】Two narrow slits 80 mm apart are illuminated with light of wavelength 600 nm. What is the angle of the m = 3 bright fringe in radians?
查看完整题目与答案
【简答题】Light of wavelength 600 nm illuminates a diffraction grating. The second-order maximum is at angle . How many lines per millimeter does this grating have?
查看完整题目与答案
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