在面向对象方法中,______是具有相似性质的对象的集合。
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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.
A. evolve
B. stay
C. remain
D. turn
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。 根据《民事诉讼法》和《合同法》的规定,下列说法正确的有( )。
A. 乙公司以甲企业和丙公司为被告,主张违约责任
B. 乙公司可以要求甲企业继续履行合同
C. 甲企业可以要求丙公司承担赔偿责任
D. 甲企业以丙公司和万某为被告,主张违约责任
E. 乙公司可以自己的所有权被侵犯为由,以丙公司为被告要求其承担赔偿责任
A person;s home is as much a reflection of his personality as the clothes he wears,the food he eats and the friends with whom he spends his time.Depending on personality,most have in mind a(n)“ (1) home”.But in general,and especially for the student or new wage earners,there are practical (2) of cash and location on achieving that idea. Cash (3) ,in fact,often means that the only way of (4) when you leave school is to stay at home for a while until things (5) financially.There are obvious (6) of living at home—personal laundry is usually (7) done along with the family wash;meals are provided and there will be a well-established circle of friends to (8) .And there is (9) the responsibility for paying bills,rates,etc. On the other hand, (10) depends on how a family gets on.Do your parents like your friendsYou may love your family— (11) do you like themAre you prepared to be (12) when your parents ask where you are going in the evening and what time you expect to be back If you find that you cannot manage a(n) (13) , and that you finally have the money to leave, how do you (14) finding somewhere else to live If you plan to stay in your home area, the possibilities are (15) well-known to you already. Friends and the local paper are always (16) . If you are going to work in a (17) area, again there are the papers—and the accommodation agencies, (18) these should be approached with (19) . Agencies are allowed to charge a fee, usually the (20) of the first week’s rent, if you take accommodation they have found for you.
A. go about
B. go over
C. go in for
D. go through
There are many superstitions in Britain,but one of the most (1) held is that it is unlucky to walk under a ladder—even if it means. (2) the pavement into a busy street! (3) you must pass under a ladder you can (4) bad luck by crossing your fingers and (5) them crossed until you have seen a dog. (6) ,you may lick your finger and (7) a cross on the toe of your shoe,and not look again at the shoe until the (8) has dried. Another common (9) is that it is unlucky to open an umbrella in the house—it will either bring (10) to the person who opened it or to the whole (11) .Anyone opening an umbrella in fme weather is (12) ,as it inevitably brings rain! The number 13 is said to be unlucky for some,and when the 13th day of the month (13) on a Friday,anyone wishing to avoid a bad event had better stay (14) .The worst misfortune that can happen to a person is caused by breaking a mirror, (15) it brings seven years of bad luck! The superstition is supposed to (16) in ancient times,when mirrors were considered to be tools of the gods. Black cats are generally considered lucky in Britain,even though they are (17) witchcraft.It is (18) lucky if a black cat crosses your path—although in America the exact opposite belief prevails. Finally,a commonly held superstition is that of touching wood (19) luck.This measure is most often taken if you think you have said something that is tempting fate,such as“my car has never (20) ,touch wood”
A. unwise
B. unintelligent
C. unpopular
D. unfortunate