托福考试

【单选题】 In the early 1900’s, Roy Harris created and promoted a distinctly American style of classical music and greatly influenced a number of composer in the United States.

【单选题】 The law of biogenesis is the principle what all living organisms are derived from a parent or parents.

【单选题】 What does the passage mainly discuss
A．( The role of instinct in animal behavior
B．( Observations that suggest consciousness in an anima behavior
C．( The use of food in studies of animal behavior
D．( Differences between the behavior of animals in their natural environments and in laboratory experiment

【单选题】 Why are otters and mussel shells included in the discussion in paragraph 3
A．( To provide an example of tool use among animals
B．( To prove that certain species demonstrate greater ability in tool use than other species
C．(
D．(

【单选题】 The phrase "the one" in line 26 refers to the
A．( study
B．( pair
C．( chimpanzee
D．( ability