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
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
开始考试点击查看答案A.trains were not suitable for short distance passenger transportation
B.trains were not the fastest and most convenient form of transportation
C.trains were not as fast and convenient as they used to be
D.trains could not compete with planes in terms of luxury and convenience
开始考试点击查看答案A.To show the inability of trains to compete with planes with respect to speed and convenience.
B.To stress the influence of the automobile on America’s standard of convenience.
C.To emphasize the function of travel agencies in market promotion.
D.To illustrate the important role of persuasive communication in changing consumer attitudes.
开始考试点击查看答案A.They are falling out of use in the United States.
B.They tend to be ignored by drivers in a short period of time.
C.They are applicable only on broad roads.
D.They cannot be applied successfully to traffic circles.
开始考试点击查看答案A.try out the Japanese method in certain areas
B.change the road signs across the country
C.replace straight, horizontal bars with chevrons
D.repeat the Japanese road patterns
开始考试点击查看答案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
开始考试点击查看答案A.it suggested a way to keep some foods fresh without preservatives
B.it discovered tiny globules in both cream and butter
C.it revealed the secret of how bacteria multiply in cream and butter
D.it found that cream and butter share the same chemical composition
开始考试点击查看答案A.are more evenly distributed in cream
B.multiply more easily in cream than in butter
C.live on less fat in cream than in butter
D.produce less waste in cream than in butter
开始考试点击查看答案A.removing its fat
B.killing the bacteria
C.reducing its water content
D.altering its structure
开始考试点击查看答案A.4) refers to ________.A.tiny globules
B.watery regions
C.bacteria communities
D.little compartments
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