The size and shape of chips and wear patterns in the blade of a screwdriver are
___________ characteristics.
a. individual
b. group
c. class
d. none of these choices
The U.S. Congress has defined a drug addict as
a. any person who habitually uses any habit-forming narcotic drug so as to endanger the
public morals, health, safety or welfare.
b. any person who is or has been so far addicted to the use of habit-forming narcotic
drugs as to have lost the power of self-control with reference to the addiction.
c. any person who both habitually uses any habit-forming narcotic drug so as to
endanger the public morals, health, safety or welfare, and is or has been so far addicted
to the use of habit-forming narcotic drugs as to have lost the power of self-control with
reference to the addiction.
d. none of these choices.