What is the main difference between first class and economy class（）
A. Facilities
B. Cabin attendants
C. Food
D. Cost
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Who are not in charge of the maintenance of the aircraft（）
A. Pilots
B. Avionic engineer
C. Mechanics
D. Maintenance technicians
What’s the professor’s attitude towards writing things down（）
A. It is more useful than a voice recorder
B. It’s less useful than a voice recorder
C. It cannot give you a chance for clarification
D. It’s too complicated and difficult to take notes
In Walt Whitman’s “There Was a Child Went Forth” the child refers to ____（）
A. the poet himself as a child
B. any American child
C. the young America
D. one of the poet’s neighbors
Which of thefollowing cannot be used to describe Whitman’s poetry（）
A. Elegant and gentle
B. Simple and open
C. Unconventional
D. Colloquial
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