【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.
【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
【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.
【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.
【简答题】A 50W bulb radiates light of wavelength
0.6 μ m . Calculate the number of photons emitted
per second. (problem 2.4 in the textbook )
【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( )。
【单选题】下列哪项是心理学家马斯洛的心理健康标准( )。
【判断题】Dr. Todorov researched the effect of photos on choosing an insurance agent.
【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?
【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?