题目内容
The normal human daily cycle of activity is of some 7-8 hours’sleep alternation with some 16-17 hours’wakefulness and that the sleep normally coincides (1) the hours of darkness．Our present concern is with how easily and to what extent this (2) can be modified． The question is no mere academic one．The ease with which people can change from working in the day to working at night is a (3) of growing importance in industry where automation (4) round-the-clock working of machines．It normally (5) from five days to one week for a person to adapt to a (6) routine of sleep and wakefulness，sleeping during the day and working at night． (7) ，it is often the case in industry that shifts are changed every week．This means that no sooner has he got used to one routine (8) he has to change to another， (9) much of his time is spent neither working nor sleeping very (10) ． One answer would seem to be (11) periods on each shift，a month，or even three months． (12) ，recent research has shown that people on such systems will revert to go back to their (13) habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any (14) to night work built up during the week．The only real solution appears to be to hand over the night shift to those permanent night workers whose (15) may persist through all weekends and holidays．
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案例分析题阅读《报刘一丈书》中的这段文字，然后回答下列问题。幸主者出，南面召见，则惊走匍匐阶下．主者曰：“进!”则再拜，故迟不起，起则五六揖，始出。出，揖门者曰：“官人幸顾我，他日来，幸亡阻我也!”门者答揖。大喜，奔走，马上遇所交识，即扬鞭语曰：“适自相公家来，相公厚我!厚我!”且虚言状。即所交识，亦心畏相公厚之矣。相公又稍稍语人曰：“某也贤!某也贤!”闻者亦心计交赞之。 从本段的言行，分析干谒者的性格特征。
甲家具生产企业得知乙公司需要购置一批办公桌，遂于2011年3月1日致函乙公司以每张办公桌800元的价格销售办公桌。乙公司考虑到甲企业生产的家具质量可靠，便于3月13日回函订购100套办公桌，提出每套价格700元，同时要求1个月内将办公桌送至乙公司，验货后10日内付款，甲企业收到回函后，于3月20日又发函至乙公司，同意乙公司提出的订货数量、交货时间及方式、付款时间及方式，但是同时提出每张办公桌定价800元已属于优惠价格，考虑乙公司所订数量较多，可以按每张办公桌750元进行出售。乙公司3月30日回函表示同意。4月3日双方电话约定由甲企业负责将货物运至乙公司。4月6日，甲企业按照约定将货物交给丙运输公司，丙公司指派司机万某负责运输，途中由于万某的过失，与另一辆大货车发生碰撞，办公桌全部毁损。 乙公司以甲企业为被告，向法院提起诉讼，下列说法正确的有( )。
Unlil I took Dr．Offutt’s class in DeMatha High school，I was an underachieving student，but I left that class (1) never to underachieve again．He not only taught me to think，he convinced me． (2) by example as words that it was my moral (3) to do so and to serve others． (4) of US could know how our relationship would (5) over the years．Wmen I came back to DeMatha to teach English，I worked for Dr．Offutt，the department chair．My discussions with him were like graduate seminars in adolescent (6) ．classroom management and school leadership． After several years, I was (7) department chair, and our relationship (8) again. I thought that it might be (9) chairing the department, since all of my (10) English teachers were (11) there, but Dr. Offutt supported me (12) . He knew when to give me advice (13) curriculum, texts and personnel, and when to let me (14) my own course. In 1997, I needed his (15) about leaving DeMatha to become principal at another school. (16) he had asked me to stay at DeMatha, I might have. (17) , he encouraged me to seize the opportunity. Five years ago, I became the principal of DeMatha. (18) , Dr. Offutt was there for me, letting me know that I could (19) him. I’ve learned from him that great teachers have an inexhaustible (20) of lessons to teach.
Scientists around the world are racing to learn how to rapidly diagnose，treat and stop the spread of a new，deadly disease．SARS—Severe Acute Respiratory Syndrome—was (1) for the first time in February 2003 in Hanoi， (2) since then has infected more than 1，600 people in 15 countries，killing 63．At this (3) ，there are more questions than answers surrounding the disease． Symptoms start (4) a fever over 100．4 degrees F，chills，headache or body (5) ．Within a week，the patient has a dry cough，which might (6) to shortness of breath．In 10% to 20% of cases，patients require (7) ventilation to breathe．About 3.5% die from the disease．Symptoms (8) begin in two to seven days，but some reports suggest it (9) take as long as 10 days．Scientists are close to (10) a lab test to diagnose SARS．In the meantime，it is diagnosed by its symptoms．There is no evidence (11) antibiotics or antiviral medicines help， (12) 至doctors can offer only supportive care．Patients with SARS arekept in isolation to reduce the risk of (13) ．Scientists aren’t sure yet，but some researchers think it’s a (14) discovered coronavirus，the family of viruses that cause some common colds． Most cases appear to have been passed (15) droplets expelled when infected patients cough or sneeze．Family members of infected people and medical workers who care (16) them have been most likely to (17) the illness．But recent developments in Hong Kong suggest that the (18) might spread through air，or that the virus might (19) for two to three hours on doorknobs or other (20) ．Health experts say it is unlikely，though，that sharing an elevator briefly with an infected person would be enough to pass the virus．
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