2011英语四级考试仔细阅读练习(2)(6)

33. To encourage consumers to travel by train, DDB Needham emphasized ________.

A) the freedom and convenience provided on trains

B) the practical aspects of train travel

C) the adventurous aspects of train trips

D) the safety and cleanliness of train trips

34. The train ads were placed among family-oriented TV programs involving nature and America because ________.

A) they could focus on meaningful travel experiences

B) they could increase the effectiveness of the TV programs

C) their profits could be increased by some 15 percent

D) most travel-lovers and nervous fliers were believed to be among the audiences

35. According to the passage, the Empire Builder enjoyed an increase in ridership and profits because ________.

A) the attractiveness of its name and route was effectively advertised

B) it provided an exciting travel experience

C) its passengers could enjoy the great western outdoors

D) it was widely advertised in newspapers and magazines in Chicago and Seattle

Passage Four

Questions 36 to 40 are based on the following passage.

Why does cram go bad faster than butter? Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition—a finding

that could help rid some processed foods of chemical preservatives.

Cream and butter contain pretty much the same substances, so why cream should sour much faster has been a mystery. Both are emulsions—tiny globules (小球体) of one liquid evenly distributed throughout another. The difference lies in what’s in the globules and what’s in the