182词汇选项1.We anticipated that the enemies would try to cross the river and so seized the bridge. A.participated B.expected C.invited D.observed2.The civilization flourished 2000 years ago. A.profited B.gained C.benefited D.prospered3.The mother has been anxious about her lost child. A.worried B.careful C.questioned D.curious4.No matter whereyou go, I will go with you. A.Nowhere B.Whereas C.Wherever D.Whereby5.Anyone who has something interesting to focus onwont find life boring. A.look over B.pull into C.set aside D.concentrate on-1.She gradually acquired the habit of smoking A.earned B.acknowledged C.required D.formed2.She was robbed in front of a supermarket adjacentto the post office A.adjusted B.adherent C.next D.admirable3.The man went to see the doctor because of the ailmenton his spine A.sickness B.aim C.aisle D.cement4.The performance of the acrobat was incredible A.credible B.unbelievable C.believable D.trustworthy5.The movie was so touchingthat every one of the audience shed tears A.moving B.inspiring C.exciting D.sad-1.Archery is my favorite sport A.most loved B.alike C.favorable D.likely2.Dont refuse to let me help you if you get in trouble A.return B.reflect C.reject D.wait3.The earthquake has caused serious damage to the village A.destruction B.hurt C.injury D.wound4.They went out for a walk after dinner as they normallydid A.partly B.usually C.highly D.fully5.He likes swimming, whileI like running A.how B.what C.whereas D.why-1.He meant tobring the umbrella, but he forgot A.tended to B.intended to C.made up his mind to D.extended to2.The use of the chemical substance may present a certain hazard to the laboratory workers A.danger B.function C.effect D.influence3.All the students must abide bythe regulations in the school A.persist in B.take away C.put aside D.stick to4.Going abroad to study greatly widened his horizon A.extended B.traversed C.broadened D.crossed5.The train came to an abruptstop A.a fast B.a slow C.a sudden D.a noisy-1.He talked overthe new book with his friends A.discussed B.mentioned C.accepted D.rejected2.While I sympathize, I cant really offer very much to help A.When B.But C.Although D.Where3.He is a painter of street scenes A.locations B.views C.events D.pictures4.Please make your answers clear and concise A.brief B.professional C.intimate D.wonderful5.All the students assembledin the classroom A.collected B.fixed C.asserted D.assisted-1Americas emphasis on the importance of education for everyone has spurred scientific research A) encouraged B) endangered C) prevented D) enlarged2. Some of the stories were mildly amusing A) slightly B) hardly C) faintly D) sufficiently 3. Human facial expressions differ from those of animals in the degree to which they can be deliberately controlled and modified. A) sufficiently B) noticeably C) intentionally D) absolutely4It was a question of making sure that certain needs were addressed , notably in the pensions area. A) noticeably B) remarkably C) particularly D) significantly5. Academic records from other institutions often become a part of a universitys official file and can neither be returned to a student nor duplicated A) borrowed B) purchased C) copied D) lost-第四十八篇 Researchers Discover Why Humans Began Walking Upright（阅读）1 . Which of the following statements is NOT true according to the first two paragraphs? Many people question the simple human activities of walking and carrying items. 2. Dr. Richmond conducted the experiment with the purpose of finding what made our ancestors walk upright. 3. Kyoto, Universitys study discovered that chimpanzees. liked coula nuts better than oil palm nuts. 4. Why did the chimpanzees walk on two limbs during Kyoto Universitys experiment?Because they wanted to carry more nuts with two free limbs.5. What can we infer from the reading passage? Human walking on two legs developed as a means of survival.第四十八篇 研究人员发现人类开始直立行走的原因1我们大多数人每天都走路而且手里搬着东西。这样的活动看似太简单，大多数人没有疑问。但是一个国际研究者（包括乔治华盛顿大学哥伦比亚艺术与科学学院的Richmond博士）团队已经发现了人类直立行走可能源于数百万年以前适应搬运稀有的、高质量的资源。这些来自美国、英国、日本和葡萄牙的研究者研究了当代黑猩猩争抢食物时的行为特征，试图对什么样的生态环境竟然导致大猿（一种我们与现存的黑猩猩一样的600万年前的祖先）直立行走作出解释。2“这些黑猩猩居住的生态环境和我们最早的祖先开始直立行走时是相同的，” Richmond博士说。3研究结果显示，当黑猩猩需要独占一种资源时，它们就从四肢行走转换为直立行走。由于直立行走可以解放它们的双手，这使得它们能搬更多的东西。久而久之，双足活动的强烈爆发可能导致了解剖学上的变化，因此这种变化也就成为自然选择的主题，在那种情况下，对食物或其他 资源的争夺是十分激烈的。4有两项研究是在几内亚完成的。第一项研究是在京都大学博苏森林的一块天然空地“室外实验室”进行的。研究者们允许森林里的黑猩猩能得到两种不同的坚果，一种叫油棕榈坚果，自然界随处可见，一种叫可乐果，自然环境中不常见。人们监控黑猩猩在下列三种情形下的行为：(a)只有油棕榈坚果；（b)只有少量的可乐果，大多数是油棕榈坚果;(c)大多数是可乐果，少数是油棕榈坚果。5当稀有的可乐果数量很少时，黑猩猩一次就会拿得多。同样，当大部分是可乐果时，黑猩猩对油棕榈坚果根本视而不见。黑猩猩认为可乐果才是珍贵的资源，并为得到可乐果激烈竞争。6处于这种激烈竞争的环境中，黑猩猩直立行走的频率增加了四倍。很显然，双足行走可以使它们拿走更多的稀有资源，而且，为了尽可能地一口气多拿，它们积极利用可用到的任何方法，甚至嘴