The significance of Brocklehurst’s research is that ________.
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
试卷相关题目
- 1According 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
开始考试点击查看答案 - 2The 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
开始考试点击查看答案 - 3To 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
开始考试点击查看答案 - 4It can be inferred from the passage that the drop in Amtrak ridership was due to the fact that ________.
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 - 5What’s the author’s purpose in writing this passage、
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 - 6According to the researchers, cream sours fast than butter because bacteria ________.
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 - 7According to Brocklehurst, we can keep cream fresh by ________.
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 - 8The word “colonies” (Line 2, Par
A.4) refers to ________.A.tiny globules
B.watery regions
C.bacteria communities
D.little compartments
开始考试点击查看答案 - 9Commercial application of the research finding will be possible if salad cream can be made resistant to bacterial attack ________.
A.by varying its chemical composition
B.by turning it into a solid lump
C.while keeping its structure unchanged
D.while retaining its liquid form
开始考试点击查看答案 - 10She ought to stop work; she has a headache because she ________ too long.
A.has been reading
B.had read
C.is reading
D.read
开始考试点击查看答案
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