以 “O” 开头的核心词汇 Obscure a. 难懂的.使---模糊 1.The poetry of Ezra Pound is sometimes difficult to understand because it contains so many references.(97.1.61) A obscure B acute C notable D objective 2.Very few people understand his lecture, the subject of which was very .(2000.1.66) A dim B obscure C conspicuous D intelligent 3.Very few people understand the lecture the professor delivered because its subject was very 来源：www.examda.com .(03.6.55) A obscure B indefinite C dubious D intriguing 4.Very few people understand his lecture because the subject was very .(06.1.63) A faint B obscure C gloomy D indefinite 5. Often such arguments have the effect of rather than clarifying the issues involved.(03.1.70) A obscuring B prejudicing C tackling D blocking Obedient a. 顺从的 In some countries, students are expected to be quiet and in the classroom.(01.1.47) A skeptical B faithful C obedient D subsidiary Soldiers act in to the orders of their officers. A obligation B objection C obedience D offense Students are expected to be quiet and in an Asian classroom. (04.1.44) A obedient B overwhelming C skeptical D subsidiary Ornament n. 装饰品 The Christmas tree was decorated with shining such as colored lights and glass balls.(01.1.35) A ornaments B luxuries C exhibits D complements Optimistic a. 乐观的 I am afraid that you have to alter your views in light of the tragic news that has just arrived. (99.6.44) A indifferent B distressing C optimistic D pessimistic Obligation n. (法律或道义上的)责任 Parents have a legal to ensure that their children are provided with efficient education suitable to their age.(97.6.52) A impulse B influence C obligation D sympathy Originate v. 首创,起源 The person who this type of research deserves our praise.((95.6.56) A generated B manufactured C originated D estimated 来源：www.examda.com The design of this auditorium shows a great of . We have never seen such a building before.(03.6.53) A invention B illusion C originality D orientation Overlap v. 部分重叠 When you put up wallpaper, should you the edges or put them next to each other?(2000.6.66) A coincide B extend C overlap D collide Overwhelm v 压倒,(使感情上)受不了 Of the housands of known volcanoes in the world, the majority are inactive.(97.1.59) A tremendous B demanding C intensive D overwhelming Of the immigrants who came to America in the first three quarters of the seventeenth century, the majority was English. A overflowing B overwhelming C overtaking D overloading I was by their kindness and moved to tears.((95.6.54) A preoccupied B overwhelmed C embarrassed D counseled You cannot imagine how I feel with my duties sometimes.(04.6.50) A overflowed B overthrows C overwhelmed D overturned Oppress v. 压迫 For years now, the people of that faraway country have been cruelly by a dictator.(2000.6.58) A depressed B immersed C oppressed D cursed Occupy v 占领,使忙碌 Her interest in redecorating the big house kept her for a whole week.(98.6.44) A constrained B dominated C restricted D occupied Overlook v. 忽略 Henry went through the documents again carefully for fear of any important data.(04.6.66) A relaying B overlooking C deleting D revealing 以 “P”开头的核心词汇 Prominent a. 突出的,著名的 The most technological success in the twentieth century is probably the computer revolution.(96.6.66)来源：www.examda.com A prominent B prosperous C solemn D prevalent Mr. Bloom is not now, but he will be famous someday.(98.1.57) A significant B dominant C magnificent D prominent Primitive a. 原始的 In times human beings did not travel for pleasure but to find a more favourable climate.(01.1.60) A prime B primitive C primary D preliminary Prevalent a. 普遍的,流行的 Some studies confirmed that this kind of eye disease was in tropical countries.(99.6.43) A prospective B prevalent C provocative D perpetual Persistent a. 坚持不懈的 1.Small boys are questioners. They ask questions all the time.(89.1.60) A original B imaginative C peculiar D persistent 2. efforts are needed in order to finish important but unpleasant tasks.(05.1.65) A Consecutive B Condensed C Perpetual D Persistent Pathetic a. 令人哀伤的 A terrible traffic accident happened. people were saddened when they watched the Sight on TV. A pathetic B patriotic C panic D periodic Penalty n 惩罚 1.The court considers a financial to be an appropriate way of punishing him.(98.1.52) A payment B obligation C option D penalty 2.The court considers a financial to be an appropriate way of punishing him.(99.1.50) A option B duty C obligation D penalty