托福习题练习

托福考试易错题(2017/12/1)
1题:() carries the genes, which determine the hereditary characteristics of the cell or organism. 
A. The chromosome 
B. The chromosome that 
C. Whereas the chromosome 
D. There is a chromosome 
【单选题】:      

2题: The word "spawn" in line 1 is closest in meaning to
A.( distinguish
B.( eliminate
C.( protect
D.( create
【单选题】:      

3题: Although legend has it that the Pilgrims first set foot in America on Plymouth Rock in 1620, ------ documentary evidence confirming this.
A.no
B.still is no
C.there is no
D.but no
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4题: The Arctic fox is found throughout the Arctic, usually on tundra or mountains ______ the sea.
A.(by which near
B.( near of
C.( because near
D.( near
【单选题】:      

5题: Why is "plankton" mentioned in line 17
A.( To demonstrate the interdependence of different species
B.( To emphasize the importance of food resources in preventing mass extinctio
C.( To illustrate a comparison between organisms that live on the land and those that live in the ocean
D.( To point out that certain species could never become extinc
【单选题】:      

 

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