2. 外语
  3. Technically, any substance other than food that alters our bodily or mental functioning is a drug. Many people mistaken

Technically, any substance other than food that alters our bodily or mental functioning is a drug. Many people mistaken

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问题      Technically, any substance other than food that alters our
bodily or mental functioning is a drug. Many people mistaken                          【S1】_____.
believe the term drug refers only to some sort of medicine or
an illegal chemical taken with drug addicts. They don’t realize                       【S2】_____.
that familiar substances such as alcohol and tobacco are also
not drugs. This is why the more neutral term substance is now                         【S3】_____.
used by many physician and psychologists. The phrase "sub-                            【S4】_____.
stance abuse" is often used instead of "drug abusive" to                              【S5】_____.
make clear that substances such as alcohol and tobacco can be
just as harmfully used as heroin and cocaine. We live in a so-                        【S6】_____.
ciety which the medicinal and social use of substances is per-                        【S7】_____.
vasive: an aspirin to quite a headache, some wine to be socia-                        【S8】_____.
ble, coffee to get going in the morning, a cigarette for the
nervous. When do these socially acceptable and apparently                             【S9】_____.
constructive use of a substance become misuses? First of all,
most substances taken in excess will produce positive effects                         【S10】_____.
such as poisoning or intense perpetual distortions. Repeated
use of a substance can also lead to physical addiction or sub-
stance dependence.
【S10】
选项
答案positive→negative
解析 用词不当。positive表示“肯定的，正面的”，而上文中提到过量使用药物，应该产生消极的，负面的影响，所以改为negative。
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