Đề 39: Đề thi toefl itp 15 câu đầu

A fuel is a substance used — light, heat, or energy.

 
 
 
 

The state of Maine generally has cooler temperatures than —.

 
 
 
 

Fruit is one of the most abundant, nutritious, and — foods a person can eat.

 
 
 
 

Prescriptions for corrective lenses that are provided by an optometrist are often brought to an optician who — the lenses.

 
 
 
 

Loganberries can be used in jams — their juice.

 
 
 
 

When natural gas burns, its___ into atoms of carbon and hydrogen.

 
 
 
 

_____ ballet dancers learn five basic positions for the arms and feet.

 
 
 
 

Some colonies of bryozoans, small marine animals, form ___with trailing stems.

 
 
 
 

Natural selection is defined as the process ___the course of evolution by preserving those traits best adapted for an organism’s survival.

 
 
 
 

Frances Perkins, _________ of the United States cabinet, served in the cabinet as secretary of labor from 1933 to 1945.

 
 
 
 

When _________ to dough and heated, carbon dioxide is released, causing the dough to rise.

 
 
 
 

_________ the percentage of individuals with similar traits in succeeding generations, geneticists use the theory of probability.

 
 
 
 

Big-band jazz relies on fixed arrangements, where _________ than one instrument playing some of the parts, rather than on improvisation.

 
 
 
 

Because of _________ diversity, seven separate groupings or divisions of algae have been established by botanists.

 
 
 
 

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