v./n.有利于 / [C, U] 利润, 赢利
v./n.有利于 / [C, U] 利润, 赢利
参考答案和解析
D
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Tracking Down HIV In the summer of 1980, a patient had a strange purplish spot removedfrom below his ear. It was Kaposi’s sarcoma, a rarefm of skin cancer. This patient also had lymph node swelling exhaustion.In November 1980, a Los Angeles immunologist examined a young man who haddiseases linked to immune system malfunctions. The doct had a T-cell counttaken of the patient’s blood. T-cells are a type of white blood cell that playsa key role1 in immune responses. The patient had no helper T-cells. By the end of 1980, 55 Americans were diagnosed with infectionsrelated to immune system breakdown; four had died. A year later the death tollwas 74. Intravenous drug users had T-cell abnmalities. People who hadreceived blood transfusions showed symptoms of immune system breakdown. By July1982, 471 cases of the disease, now called Acquired Immune Deficiency Syndrome(AIDS), had been repted; 184 people had died. In April 1984, American virologist Dr. Robert Gallo isolated thepathogen, disease producer, responsible f2 AIDS. He called it HTLV-III. InParis, Dr. Luc Montagnier identified a virus he called LAV. An internationalpanel of scientists determined that both men had found the same virus. Itbecame known as Human Immunodeficiency virus (HIV). Blood banks began screeningf HTV in 1985, but by then about 29,000 people had been infected throughblood transfusions. Some 12,000 hemophiliacs had contracted HIV throughblood-clotting products. By 1995, 477,900 Americans had AIDS; 295,500 had died. In 1996, researchers announced drugs that reduced HIV in infectedpeople. Today scientists are testing vaccines believe that if HIV can besuppressed, then perhaps it can be eradicated3, but it is still a race againsttime. 词汇： spot n. 地点，斑点，斑块，青春痘 lymph n. 淋巴结 sarcoma n. 肿瘤，肉瘤，恶性毒瘤 exhaustion n. 衰竭，耗尽，精疲力竭 immunologist n. 免疫学家 malfunction n. 故障，失灵，疾病 count n. 计数，计算 infection n. 传染病，感染 breakdown n. 故障，衰弱，崩溃 toll n. 代价，死亡人数 intravenous drug n. 静脉注射药物 abnmalities n. (abnmality的复数形式)畸形，异常情况 blood transfusion n. 输血 symptom n. 症状 virologist n. 病毒学家 virus n. 病毒 panel n. 座谈小组，仪表板 hemophiliac n. 血友病患者 vaccine n. 疫苗 注释： 1.play a key role...扮演一个关键角色，有至关重要的作用 2.be responsible f...对……负责，是……的原因 3.can be eradicated可以被根除的 练习：5.The wd u eradicated the last paragraph means ____. A made extreme B celebrated C remove by rubbing D gotten rid of entirely
第二十二篇 RealWld Robots When you think of a robot, do you envision ashiny, metallic device having the same general shape as a human being,perfming humanlike functions, responding to your questions in a monotonevoice accentuated by high-pitched tones beeps? This is the way many of usimagine a robot, but in the real wld, a robot is not humanoid at all. Insteada robot often is a voiceless, box-shaped machine that efficiently carries outrepetitive dangerous functions usually perfmed by humans. Today’s robot is me than an automatic machine that perfms one taskagain again. A modern robot is programmed with varying degrees ofartificial intelligence—that is, a robot contains acomputer program that tells it how to perfm tasks associated with human intelligence,such as reasoning, drawing conclusions, learning from past experience. A robot does not possess a human shape fthe simple reason that a two-legged robot has great difficulty remainingbalanced. A robot does, however, move from place to place on wheels axlesthat roll rotate. A robot even has limbs that swivel move incombination with ts mots. To find its way in its surroundings1, arobot utilizes various built-in senss. Antennae attached to the robot’s base detect anything they bump into. If the robot starts to teeteras it moves on an incline, a gyroscope a pendulum inside it senses thevertical differential. To determine its distance from an object how quicklyit will reach the object，the robot bounces beams oflaser light ultrasonic sound waves off obstructions in its path2. These other senss constantly feed infmation to the computer, which then analyzesthe infmation crects adjusts the robot’sactions. As science technology advance, the robot too will progress in itsfunctions use of artificial-intelligence programs. 词汇： envision v. 想象，预想 device n. 装置 accentuate v. 强调，重读 artificial intelligence n. 人工智能 limb n. 臂 antennae n. 天线 incline v. 倾斜 pendulum n. 钟摆 ultrasonic adj. 超声的 metallic adj. 金属的 monotone n. 单调的 humanoid adj. 像人的 axle n. 轮轴 rotate v. 旋转 swivel n. 旋转 teeter v. 摇晃 gyroscope n. 陀螺仪，回转仪 vertical n. 直立的 注释： 1.To find its way in its surroundings...：为了在周围找到路…… 2.the robot bounces beams of laser light ultrasonic sound waves off obstructions in its path：机器人发射激光束和超声波，反射到障碍物上(以此来探知路径)。 练习：3.The last paragraph suggests that futurerobots will beA me humanlike inbehavi actions.B me like automaticmachines.C better able to moveon inclines.D better equippedwith laser light senss.
恩格斯指出：“马克思一有机会就提醒读者注意，决不要把他所说的剩余价值同利润或资本赢利相混淆.对这段话的正确理解应是（ ）A.利润常常只是剩余价值的一部分B.剩余价值是利润的本质内容C.剩余价值是资本的赢利D.利润是剩余价值的一种具体形式
项目财务评价方法主要采用下列中的( )方法。Ⅰ.财务报表分析；Ⅱ.费用效益分析；Ⅲ，静态和动态赢利性分析；Ⅳ，资金成本分析；V.现金流量分析A.Ⅰ、Ⅲ、VB.Ⅱ、Ⅲ、VC.Ⅲ、Ⅳ、VD.Ⅰ、Ⅱ、Ⅳ
An Essential Scientific ProcessAll life on the earth depends upon green plants. Using sunlight, theplants produce their own food. Then animals feed upon the plants. They take inthe nutrients the plants have made sted. But that’s not all.Sunlight also helps a plant produce oxygen. Some of the oxygen is used by theplant, but a plant usually produces me oxygen than it uses. The excess oxygenis necessary f animals other ganisms to live.The process of changing light into food oxygen is calledphotosynthesis. Besides light energy from the sun, plants also use water carbon dioxide. The water gets to the plant through its roots. The carbondioxide enters the leaves through tiny openings called stomata. The carbondioxide travels to chloplasts, special cells in the bodies of green plants.This is photosynthesis takes place. Chloplasts contain the chlophyllsthat give plants their green col. The chlophylls are the molecules thattrap light energy. The trapped light energy changes water carbon dioxide toproduce oxygen a simple sugar called glucose.Carbon dioxide oxygen move into out of the stomata. Watervap also moves out of the stomata. Me than 90 percent of water a planttakes in through its roots escapes through the stomata. During the daytime, thestomata of most plants are open. This allows carbon dioxide to enter the leavesf photosynthesis. As night falls, carbon dioxide is not needed. The stomataof most plants close. Water loss stops.If photosynthesis ceased, there would be little food other ganicmatter on the earth. Most ganisms would disappear. The earth’s atmospherewould no longer contain oxygen. Photosynthesis is essential f life on ourplanet. 词汇：nutrient n.营养物 ganism n.生物体，有机体carbon dioxide n.二氧化碳chloplast n.叶绿体molecule n.分子vap n.水蒸气oxygen n.氧气 photosynthesis n.光合作用chlophyll n.叶绿素glucose n.葡萄糖cease v.停止 注释：1.Then animals feed upon the plants.动物以植物为食。 练习：5.Another good title f this passage would beA.Oxygen Carbon Dioxide.B.Plants Their Roots.C.How Photosynthesis Wks.D.Why Our Earth Needs Water.
总投资利润率是用来反映企业赢利能力的比率，其计算式为（）。A、（税后利润／注册资本）×100％B、（所有者权益／资产总额）×100％C、（利润总额／平均总资产）×100％D、（税后利润／平均资产总额）×100％
下列关于企业赢利模式论述正确的有（）A、赢利模式关心的是企业如何赚钱B、利润点是指从哪些渠道获取利润C、利润杠杆是指企业可以获取利润的产品或服务D、利润对象是指商品或服务的购买者和使用者群体E、利润屏障是指企业为了防止竞争者掠夺本企业利润而采取的防范措施
多选题下列关于企业赢利模式论述正确的有（）A赢利模式关心的是企业如何赚钱B利润点是指从哪些渠道获取利润C利润杠杆是指企业可以获取利润的产品或服务D利润对象是指商品或服务的购买者和使用者群体E利润屏障是指企业为了防止竞争者掠夺本企业利润而采取的防范措施
单选题总投资利润率是用来反映企业赢利能力的比率，其计算式为（）。A（税后利润／注册资本）×100％B（所有者权益／资产总额）×100％C（利润总额／平均总资产）×100％D（税后利润／平均资产总额）×100％