__________(6)
A.from
B.against
C.off
D.away from

_________(53)
A.in order to
B.such as
C.due to
D.as well as

_________(54)
A.supports
B.helps
C.shows
D.serves

A.merchant
B.term
C.commercial
D.sergeant

A.obstacle
B.obscure
C.obsession
D.oblivious

A.Valentine
B.imagine
C.discipline
D.determine

It was suggested that Pedro studies the material more thoroughly before attempting to pass the exam.
A.studies
B.more
C.attempting
D.to pass

Chicago's Sears Tower, now the tallest building in the world, rises 1,522 feet from the ground to the top of it antenna.
A.now
B.rises
C.feet
D.it

Many of the important products obtained from trees, one of the most important is wood pulp, which is used in paper-making
A.Many of the
B.obtained
C.the most
D.paper-making

The word "consequence" in line 2 is closest in meaning to…………….
A.result
B.explanation
C.analysis
D.requirement