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1、学术英语理工 2032-2014-21Unit 2 Searching for InformationI. Teaching ObjectivesIn this unit, you will learn how to: 1.search for reliable and better source materials for your research 2.find your information by scanning and skimming 3.identify topic sentences for a general idea in the paragraph 4.guess wo
2、rd meaning through context clues and affixes 5.read fast by following the organization of the text 6.be a critical reader 7.take notes effectively 8.write a summary for what you have read 9.enhance language skills with the help of the reading and listening materials presented in this unitII. Teachin
3、g Procedures1 Finding reliable and better sources Task 1 Answers may vary.Task 2 Answers may vary. Task 3 Answers may vary. 2 Scanning and skimming Task 1 1 Artificial intelligence. 2 The article may argue for/against the idea that artificial intelligence will replace human jobs in the future. 3 The
4、 story tells that computerization threatens to replace many white-collar jobs. 4 The author is optimistic and may not agree that machines will replace human jobs. 学术英语理工 2032-2014-225 The specter of automation unemploying us all may have finally arrived. 6 But the mass job shrinkage that these obser
5、vers all expected did not come. 7 Yet Americans as a whole were not automated out of work. (Para.8, L1) Yet, through all that, more new jobs appeared. (Para.11, L2) 8 Man will not lose jobs because there will always be demands of a new economy. 9 The neighbor would prefer to order the shoes from mac
6、hine-handling factories. 10 Saving will lead to spending which in turn will create newer, perhaps better jobs tomorrow. 3 Identifying topic sentences for information Task 1 1 Pieced together, the topic sentences form a short, coherent paragraph or essay. 2 a) Paragraph 2 b) Paragraph 11 Task 2 1 Gam
7、e theory is the science of strategy.（Para.1） 2 Games are fundamentally different from decisions made in a neutral environment.（Para.3） 3 The essence of a game is the interdependence of player strategies.（Para.4） 4 A general principle for a player in a sequential-move game is to look ahead and reason
8、 back. （Para.5） 5 In contrast to the linear chain of reasoning for sequential games, a game with simultaneous moves involves a logical circle.（Para.7） 6 Another way to make threats credible is to employ the adventuresome strategy of brinkmanshipdeliberately creating a risk that if other players fail
9、 to act as one would like them to, the outcome will be bad for everyone.（Para.17） Task 3 1 Paragraph 1 2 Paragraph 5 to 10 3 Paragraph 12 to 19 4 Guessing word meaning Task 1 2 immutable (Para.4, L2): 不变的 Context clues: who realized that space is not an immutable stage on which events play out 3 tra
10、mpoline (Para.4, L4): 蹦床，弹床 Context clues: responding much as a trampoline does to a jumping child 4 malleable (Para.4, L5): 有弹性和延伸性的 Context clues: In fact, so malleable is space that, according to the math, the size of the universe necessarily change over time. 5 stay put (Para.4, L7): 不动的 Context
11、 clues: The fabric of space must expand or contactit cant stay put. 学术英语理工 2032-2014-236 flew in the face (Para.5, L4): 敢于违抗 Context clues: It flew in the face of the prevailing wisdom. 7 stalemate (Para.6, L2): 僵局 Context clues: A static situation, like a stalemate in a tug of war 8 repulsive (Para
12、.6, L5): 排斥的 Context clues: a counterbalancing force would need to provide a repulsive push 9 antigravity (Para.7, L2): 排斥力 Context clues: antigravitya gravitational force that pushes instead of pulls 10 exodus (Para.8, L3): 大批离开 Context clues: And the best explanation for this cosmic exodus came di
13、rectly. 11 supernovae (Para.11, L2): 由于爆炸而突然变亮的星 Context clues: distant supernovaeexploding stars so brilliant they can be seen clear across cosmos 12 garner (Para.13, L5): 获得、得到 Context clues: would have garnered him another Nobel Prize 13 perplexing (Para.14, L5): 令人不解的 Context clues: Perhaps most
14、 perplexing of all is a question of quantitative detail. Task 2 2 unprecedented (Para.1, L1): un-precedented 史无前例的 3 self-replicating (Para.1, L6): self-replicating 自我复制的 4 diameter (Para.3, L2): dia-meter 直径 5 assembler (Para.10, L1): assembl-er 装配器 6 contaminant (Para.13, L3): con-taminant 污染物 7 n
15、on-renewable (Para.13, L6): non-renewable 不可再用的 8 foreseeable (Para.14, L2): foresee-able 可预见到的 9 exotic (Para.14, L2): exot-ic 非本地，奇异的 10 dissipate (Para.14, L6): dis-sipate 消失 Task 3 DerivativesAffixes or roots MeaningMore Words 1multidiscipline multi- many or severalMulticolor multisteps multifor
16、m multipurpose 2nanotechnologynano-one of a thousand millionnanorobot nanomachine nanoscopic nanostructure 3convergence verg con-incline to join divergence verge concordconcourse conferate 4constructstructbuild or make structure reconstruct destruct obstruct substructure 5manufactureman-, manu- fact by hand make manuscript manual manage manipulate fac
