单选题A mistake is rarely atoned for by a single apology, however profuse.

单选题The main purpose of this passage is to ______.

单选题Babbage wished to build a mechanical engine because______.

单选题Keiko weighs about ______.

单选题It is natural for young people to be critical of their parents at times and to blame them for most of the misunderstandings between them. They have always complained, more or less justly, that their parents are out of touch with modem ways; that they are possessive and dominant; that they do not trust their children to deal with crises; that they talk too much about certain problem—and that they lack sense of humor, at least in parent-child relationships. I think it is true that parents often underestimate their teenage children and also forget how they themselves felt when young. Young people often irritate their parents with their choices in clothes and hairstyles, in entertainers and music. This is not their motive. They feel cut off from the adult world into which they have not yet been accepted. So they create a culture and society of their own. Then, if it turns out that their music or entertainers or vocabulary or clothes or hairstyles irritate their parents, this gives them additional enjoyment. They feel they are superior, at least in a small way, and that they are leaders in style and taste. Sometimes you are resistant and proud because you do not want your parents to approve of what you do. If they approve, it looks as if you are betraying your own age group. But in that case, you are assuming that you are the underdog; you cannot win but at least you keep your honor. This is a passive way of looking at things. It is natural enough after long years of childhood, when you were completely under your parents' control. But it ignores the fact that you are now beginning to be responsible for yourself. If you plan to control your life, cooperation can be part of that plan. You can charm others, especially your parents, into doing things the way you want. You can impress others with your sense of responsibility and initiative, so that they will give you the authority to do what you want to do.

单选题All the finished products are stored in a ______ of the delivery port and shipping is available at any time.

单选题It was sunrise on an August morning when the captain and his crew cast their nets some 50 miles south of Louisiana in the Gulf of Mexico. As the net was pulled over, the contents were poured out follo

单选题Kagan maintains that an infant's reactions to its first stressful experiences are part of a natural process of development, not harbingers of childhood unhappiness or signs of adolescent anxiety.

单选题The school authority doesn"t permit ______ on campus.

单选题The mechanic used to ______ and oil the machine all the time.

单选题______ the bad weather,we decided to go to the picnic.

单选题According to a paper to be published in Psychological Science this has an interesting psychological effect. A group of researchers, led by Eugene Caruso of the University of Chicago, found that people judge the distance of events 24 , depending on whether they are in the past or future. The paper calls this the 'Temporal Doppler Effect'. In physics, the Doppler effect describes the way that waves change frequency depending on whether their 25 is traveling towards or away from you. Mr. Caruso argues that something similar happens with people's perception of time. Because future events are associated with diminishing distance, while those in the past are thought of as 26 , something happening in one month feels psychologically 27 than something that happened a month ago. This idea was tested in a series of experiments. In one, researchers asked 323 28 and divided them into two groups. A week before Valentine's day, members of the first were asked how they planned to celebrate it. A week after February 14th the second group reported how they had celebrated it. Both groups also had to describe how near the day felt on a 29 of one to seven. Those describing forthcoming plans were more likely to report it as feeling 'a short time from now', while those who had already 30 it tended to cluster at the 'a long time from now' end of the scale. To account for the risk that recalling actual events requires different cognitive functions than imagining ones that have not yet happened, they also asked participants to 31 the distance of hypothetical events a month in the past or future. The asymmetry (不对称) remained. Mr. Caruso speculates that his research has 32 for psychological well-being. He suspects that people who do not show this bias—those who feel the past as being closer—might be more 33 to rumination (沉思) or depression, because they are more likely to dwell on past events. A. advancing B. apparently C. available D. closer E. differently F. evaluate G. experienced H. implications I. prospect J. rate K. receding L. scale M. source N. subject O. volunteers

单选题We have been told that under no circumstances _____ the telephone in the office for personal affairs.

单选题(2001) We'd better plant some trees on the______ hillside.

单选题 1．大学破格录取人才的现象越来越普遍 2．人们对其意见不一 3．我认为……

单选题Ill still unable to make myself ______ in the discussion, which worries me a lot. A) to be understood B) understanding C) understood D) understand

单选题阅读下列短文，然后根据短文的内容从每小题的四个选择项中选出最佳的一项。B　　Maria Mitchell（1818-1889）,the first woman asdivonomer（天文学家）in the United was born in Nantucket, Massachusetts.Her parents valued education and insisted on giving

单选题I feel very sad that the young man's energetic initiative ______ with nothing in the experiment, for he met a lot of interference from the powerful authority.

单选题Mercury is the nearest planet to the sun and its period of ______ is 88 days. A. movement B. evolution C. return D. revolution

单选题Do you mean this is the ______ decision you have made after thinking for hours?