托福习题练习

托福考试易错题(2017/12/9)
1题: The author mentions twenty percent itl line 23 to indicate that
A.( eagles are twenty percent bigger than most birds
B.( twenty percent of all nests include foundation branches
C.( the nests of eagles are twenty percent of larger than those of other birds
D.( birds Can carry twenty percent of their own weight
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2题: The word "they" in line 20 refers to
A.( human hunters
B.( game animals
C.( other predators
D.( large mammals
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3题: ___________ over 100 years since the invention of the square-bottomed paper bag.
A.( Now is
B.( Now it has
C.( There is now
D.( It is now
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4题: by the United States government’s Bureau of Labor Statistics, the Consumer Price Index compares current costs of goods and services with past costs. 
A. To prepare 
B. As it prepared 
C. When preparation 
D. Prepared 
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5题: The Medicare program (was established) in 1965 to (helping) elderly United States (citizens pay) the increasing (cost of) health care.
A.was established
B.helping
C.citizens pay
D.cost of
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