答案及解析：来源：考试大

1．文章标题分析：标题“Teamwork in Tourism/旅游业中的团队合作”告诉我们这是一篇讲述旅游业的文章，而“团队合作”是文章要突出的中心。
补充：
teamwork spirit  团队合作的精神
-ism suf.[构成抽象名词]
表示“主义, 学说, 信仰, 制度, 风俗”, 如: communism, capitalism
表示“状态”, 如: barbarism(野蛮)
表示“病态”, 如: alcoholism（酒精中毒）
 
2． 结合文章中心观察备选项：来源：考试大
A．The same confidence exists between agencies and carriers（运输公司）, including car-rental（汽车租赁） and sightseeing services. （如果有A，前文应该出现描述“。。和。。之间是如何信任”的句子）
B．They offer familiarization （熟悉, 精通）and workshop tours（精通情况和研讨问题的旅游） so that in a short time agents can obtain first-hand knowledge of the tours.
C． Travel operators（经纪人）, specialists in the field of planning, sponsor extensive research programs. （如果有C，后文中可能会接着讨论有关Travel operators的内容）
D．As a result of teamwork, tourism is flouring/ flourishing in all countries.（如果有D， 前文中应该具体谈到“团队合作”）
E． Agencies rely upon the good services of hotels, and, conversely, hotels rely upon agencies, to fulfill their contracts and to send them clients.（A中间已经出现过了agencies）
F． In this way agents learn to explain destinations and to suggest different modes and combinations of travel -- planes, ships, trains, motorcoaches（汽车）, car-rentals（租用）, and even car purchases. （如果有F，则前文中应该出现描述“。。的方式”的句子）
 
3． 直接做题做出答案选择：来源：考试大
（Growing cooperation among branches of tourism has proved valuable to all concerned. （“合作”是文章中心）Government bureaus, trade and travel associations, carriers and properties(运输公司和房地产公司) are all working together to bring about optimum conditions for travelers.）
补充：
concerned adj（常与with, about连用）挂…念的，担…心的; ［常用于名词之后］有关（方面）的
e.g. I am very concerned about her. 我非常挂念她。
e.g. the authorities concerned有关当局
concern oneself with … 关心/关注..
optimum adj最好的，最佳的；最有利的
 
A．The same confidence exists between agencies and carriers（运输公司）, including car-rental（汽车租赁） and sightseeing services. （如果有A，前文应该出现描述“。。和。。之间是如何信任”的句子）
B．They offer familiarization （熟悉, 精通）and workshop tours（精通情况和研讨问题的旅游） so that in a short time agents can obtain first-hand knowledge of the tours.
C． Travel operators（经纪人）, specialists in the field of planning, sponsor extensive research programs. （如果有C，后文中可能会接着讨论有关Travel operators的内容）
D．As a result of teamwork, tourism is flouring/ flourishing in all countries.（如果有D， 前文中应该具体谈到“团队合作”）
E． Agencies rely upon the good services of hotels, and, conversely, hotels rely upon agencies, to fulfill their contracts and to send them clients.（A中间已经出现过了agencies）
F． In this way agents learn to explain destinations and to suggest different modes and combinations of travel -- planes, ships, trains, motorcoaches（汽车）, car-rentals（租用）, and even car purchases. （如果有F，则前文中应该出现描述“。。的方式”的句子）