I.1.C2.B3.B4.A5.D
II.
III.11.B12.A13.C14.B15.D16.C17.D18.B19.B20.A 21.C22.A23.B24.C25.B26.C27.A28.C29.D30.B
31.D32.C33.A34.B35.B
IV.36.biologist37.adolescent38.indifferent39.behavior40.insurance 41.
consumer
42.contract43.miracle44.vocation45.agent 46.profeional47.impreion48.immediately49.influence50.dispute 51.invention52.authority53.decade54.opportunity55.ordinary
V.56.offered57.be influenced58.more59.best60.working 61.dreed62.generally63.based64.to discipline65.lighting
VI.66.I’m not in the least interested in what they are talking about.
67.People are always complaining about the constantly rising prices.
68.Many wrong ideas made people of Columbus age unwilling to sail west.
69.He wished to forget everything aociated with his life in the past.
70.As a matter of fact, we haven’t found a substitute for his yet.
VII.你和有相同文化背景的人有共同语言。你说话时表达自己的想法不会有什么麻烦。使用母语，你常常能把思想集中在你要表达的内容上，而不是集中在怎样表达上。你不必担心说的话有什么不对或是找不到恰当的词。因为有共同背景，所以要谈什么事，思考起来并不困难。你使用母语很方便。咱们可以说，你说母语时张口就来。
