练习一
It is my pleasure to inform you, on behalf of the chemistry department, of your admission to the PH.D. program at Stanford University beginning September, 2004. The size and strength of our applicant pool (有共同兴趣的一群人）什么酱油好 is such that only the strongest candidates can be admitted, and our offer of admission to you reflects our great confidence in your potential as a scientist. The quality of the faculty and graduate students, combined with an outstanding scientific atmosphere, makes the Stanford Chemistry Department a unique place to pursue graduate study. We hope that you will join the department in September.
The Stanford Chemistry Department is committed to continuing financial support of all graduate students in the department. Students in good standing will receive full tuition (学费) plus stipend (补贴）in the form of Teaching and Rearch Assistantships (研究生助教奖学金）for the duration of their graduate studies towards the Ph.D. degree. The university has not yet t the stipends for the 2004-2005 academic year. However , last year the stipe
nd from Teaching and Rearch Assistantships was $17,300, and we expect a modest increa for the 2004-2005 academic year.
Successful Stanford applicants ordinarily have a number of offers from which they must choo. In reaching a decision, you may find it helpful to conmmunicate with Stanford faculty members or graduate students who interests parallel (类似) your own. Plea feel free to call our student rvices offcers, Lawrence Ma and Mannie Baig at (650)723-4867, if you need assistance in obtaining names or phone numbers of people to talk to . To foster(鼓励）personal interactions with our faculty and students, we would like to invite you to come out to Stanford for a visit on Friday, March 13. You will hear from Lawrence and Mannie shortly concerning the details and the arrangements for your visit.
The high quality of our students is a distinguishing feature of our program. To facilitate planning and arrangement, we would like to hear your respon to this offer as soon as you have made a decision, but in any ca, not later than the formal deadline of April 15, 2004.
1. This passage is a letter of ______at Stanford University.
A. introduction to an applicant of financial support
B. recommendation of the student rvices to a new student
C. offer of admission to an applicant to the ph. D. program
D. information of planning and arrangement of a new student
2. We can infer from the passage that______
A. the addre is regarded as a candidate among the strongest
B. the addre is a scientist doing rearch at Stanford
C. Stanford can be the only place for the addre to pursue graduate study六二年属什么
D. all graduate students in Stanford University will gain financial support
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3. The stipends for the 2004-2005 academic year will probably______$17, 300.
A. double that of last year
B. be much lower than
C. be exactly
D. be a little higher than
4. In reaching a decision whether to take Stanford's offer, the addre may get direct help
from______.
A. Lawrence Ma and Mannie Baig
B. faculty members or graduate students having similar interests阁下是对谁的称呼
C. student rvices officers
D. the Stanford Chemistry Department
5. If the addre accepts Stanford’s offer, he will start his studies there from____
A. March, 2004 B. April, 2004 C. September, 2004 D. any time
练习二
That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the “first-night” effect. If a person stays in the same room the following night they tend to sleep more soundly. Yuka Sasaki and her colleagues at Brown University t out to investigate the origins of this effect.
Dr. Sasaki knew the first-night effect probably has something to do with how humans evolved. The puzzle was what benefit would be gained from it when performance might be affected the following day. She also knew from previous work conducted on birds and dolphins that the animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators (捕食者). This led her to wonder if people might be doing the same thing. To take a clor look, her team studied 35 healthy people 乡村服务社
as they slept in the unfamiliar environment of the university四年级班规’s Department of Psychological Sciences. The participants each slept in the department for two nights and were carefully monitored with techniques that looked at the activity of their brains. Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their cond, taking more than twice as long to fall asleep and sleeping less overall. During deep sleep, the participants’ brains behaved in a similar manner en in birds and dolphins. On the first night only, the left hemispheres (半球) of their brains did not sleep nearly as deeply as their right hemispheres did.
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Curious if the left hemispheres were indeed remaining awake to process information detected in the surrounding environment, Dr. Sasaki re-ran the experiment while prenting the sleeping participants with a mix of regularly timed beeps (蜂鸣声) of the same tone and irregular beeps of a different tone during the night. She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones. This is precily what she found.
1. What did rearchers find puzzling about the first-night effect?
A. To what extent it can trouble people. C. What circumstances may trigger it.
B. What role it has played in evolution. D. In what way it can be beneficial.
2. What do we learn about Dr. Yuka Sasaki doing her rearch?
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