066. Committee membership rotates every year, so that new voices and opinions are constantly heard.
The word "rotates" is closest in meaning to which of following?
(A) alternates
(B) participates
(C) decides
(D) meets
067. One important line of evidence comes from flaking patterns of stone cores used in tool making: implements flaked with a clockwise motion (indicating a right-handed toolmaker) can be distinguished from hose flaked with a counter-clockwise rotation (indicating a left-handed toolmaker) .
The word "implements" is closest in meaning to which of following?
(A) tools
(B) designs
(C) examples
(D) pieces
068. Even scratches found on fossil human teeth offer clues. Ancient humans are thought to have cut meat into strips by holding it between their teeth and slicing it with stone knives, as do the present-day Inuit.
The word "clues" is closest in meaning to which of following?
(A) solutions
(B) details
(C) damage
(D) information
069. The variation between the hemispheres corresponds to which side of the body is used to perform specific activities. Such studies, as well as studies of tool use, indicate that right-or left-sided dominance is not exclusive to modern Homo sapiens.
The word "hemispheres" is closest in meaning to which of following?
(A) differences
(B) sides
(C) activities
(D) studies
070. Plants are subject to attack and infection by a remarkable variety of symbiotic species and have evolved a diverse array of mechanisms designed to frustrate the potential colonists.
The phrase "subject to" is closest in meaning to which of following?
(A) susceptible to
(B) classified by
(C) attractive to
(D) strengthened by
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