What is stated the most importantly in the passage about George Pullman?
A.He once had a job in a store.
B.He always lived inChicago.
C.He worked in a mine.
D.He saved money for his project.

It can be inferred from the passage that before the Civil War, sleeping cars _________.
A.were thought to be a good idea
B.were used abundantly
C.were used by presidents
D.were only used privately

_______(62)
A.life
B.way
C.school
D.opportunity

_______(64)
A.situations
B.difficulties
C.chances
D.advance

_______(66)
A.take
B.give
C.send
D.afford

_______(67)
A.admire
B.want
C.like
D.need

_______(69)
A.look
B.watch
C.respect
D.expect

His patents completely believe in him. He can do things at random.
A.at stake
B.at will
C.at once
D.at hand

Have you ever read about a famous general in Chinese history who was very incredulous?
A.unimaginable
B.excellent
C.incredible
D.skeptical

He decided not to buy the fake watch and wait until he had more money.
A.authentic
B.forger
C.faulty
D.original