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1、UNIT 3KEY TO EXERCISESsection a,Language Focus Words in use3 1) exquisite2) dispersed3) decentralized4) deduce5) fixture6) frugality7) administrate8) disjointed9) Reviving10) elapse,Word Building4punctualpunctualitypurepurityscarcescarcityseniorsenioritysensitivesensitivitysolemnsolemnityspecialspec
2、ialtysuperiorsuperiorityvalidvalidityvisiblevisibilityassurereassurestructurerestructure,Word Building51) seniority2) purity3) specialties4) reassure5) scarcity6) punctuality7) sensitivity8) restructuring9) superiority10) validity11) visibility12) solemnity,Banked cloze61) G2) I3) E4) A5) H6) N7) B8
3、) O9) K10) L,Expressions in use71) held in high regard2) In the interim3) was onto something4) in turn5) from time to time6) pick on7) take a stab at8) boil down to,近年来，随着互联网技术的迅猛发展，互联网经济已成为一个热门话题。以蓬勃发展的电子商务为代表的互联网经济已成为经济发展的重要引擎。我国政府高度重视发展互联网经济，提出了“互联网+”的概念，以推动互联网与医疗、交通、教育、金融、公共服务等领域的结合。这将为互联网经济的发展提
4、供极大的发展潜力和更广阔的发展空间。随着“互联网+”战略的深入实施，互联网必将与更多传统行业进一步融合，助力打造“中国经济升级版”。,近年来，随着互联网技术的迅猛发展，互联网经济已成为一个热门话题。,In recent years, with the rapid development of Internet technology, the Internet economy has become a hot issue.,以蓬勃发展的电子商务为代表的互联网经济已成为经济发展的重要引擎。,As represented by the promising E-commerce, the Intern
5、et economy has become a strong driving force for the economic development.,我国政府高度重视发展互联网经济，提出了“互联网+”的概念，以推动互联网与医疗、交通、教育、金融、公共服务等领域的结合。,Our government attaches great importance to developing the Internet economy and proposes the concept of “Internet Plus”, aiming to integrate the Internet with other
6、industries, such as health care, transportation, education, finance, and public service.,这将为互联网经济的发展提供极大的发展潜力和更广阔的发展空间。,This will create great potential and broad prospects for the development of the Internet economy.,随着“互联网+”战略的深入实施，互联网必将与更多传统行业进一步融合，助力打造“中国经济升级版”。,With the implementation of the “I
7、nternet Plus” strategy, the Internet is certain to be integrated with more traditional industries and help build “the upgraded version of the Chinese economy”.,In recent years, with the rapid development of Internet technology, the Internet economy has become a hot issue. As represented by the promi
8、sing E-commerce, the Internet economy has become a strong driving force for the economic development. Our government attaches great importance to developing the Internet economy and proposes the concept of “Internet Plus”, aiming to integrate the Internet with other industries, such as health care,
9、transportation, education, finance, and public service. This will create great potential and broad prospects for the development of the Internet economy. With the implementation of the “Internet Plus” strategy, the Internet is certain to be integrated with more traditional industries and help build
10、“the upgraded version of the Chinese economy”.,KEY TO EXERCISESsection b,Reading comprehensionUnderstanding the text2 1) A2) D3) C4) B5) B6) A7) C8) D,Word in use41) stimulus2) magnitude3) velocity4) quota5) stipulated6) tease7) eligible8) premium9) reminiscence10) decree,Expressions in use51) be em
11、bedded in2) a trace of3) is critical to4) adjacent to5) beat down6) remains committed to7) conceive of8) be eligible for,Sentence structure61) Increased car-pooling could reduce transportation-related CO2 emissions by up to 7.4 percent, assuming that majority of people who drive alone to work would
12、participate.2) school-based physical activities can positively influence childhood health, provided that the school focuses on improving the quality of physical education.,Sentence structure63) Suppose that the companies produce useful goods and stick to honest business practice, they can make posit
13、ive contributions to society.,Sentence structure71) If he goes on talking everything passively like this, he will never be confident enough to say No to those bad kids who are fond of teasing him.2) I know Im already 80, but with a heart like mine, I will never be old enough to stop laughing at funn
14、y words.,Sentence structure73) Although I was never fortunate enough to meet your grandmother, Ive enjoyed hearing you tell stories about her and seeing your face light up when talking about her.,CollocationWarm-up1) compelling; Instant2) sturdy; measureable3) decent; trim,Collocation81) Instant success2) overwhelmingly positive3) outstanding entrepreneurs4) household names5) extremely poor6) low-income family7) rapid expansion,知识回顾Knowledge Review,祝您成功！,
