[填空题]
Technically, any substance other than food that alters
our
bodily or mental functioning is a drug. Many people mistaken
62. _____.
believe the term drug refers only to some sort of medicine
or
an illegal chemical taken with drug addicts. They don’t realize
63.
_____.
that familiar substances such as alcohol and tobacco are also
not
drugs. This is why the more neutral term substance is now
64.
_____.
used by many physician and psychologists. The phrase "sub-
65. _____.
stance abuse" is often used instead of "drug abusive"
to
66. _____.
make clear that substances such as
alcohol and tobacco can be
just as harmfully used as heroin and cocaine. We
live in a so-
67. _____.
ciety which the medicinal and social use of
substances is per-
68. ___