四六级考试

【单选题】Drug abuse can cause a wide variety of adverse physical reactions. Long-term drug use may (67) the heart, liver, and brain.Drug abusers may suffer from (68) if they habitually forget to eat, (69) afford to buy food, or eat foods (70) the proper vitamins and minerals. Individuals who abuse injectable drugs risk (71) infections such as hepatitis and HIV from dirty needles or needles shared with other (72) abusers. One of the most dangerous effects of (73) drug use is the potential for overdosing -- (74) is, taking too large or too strong a dose for the body’s systems to handle.A、drug overdose may cause an individual to lose (75) and to breathe inadequately. Without treatment, an individual may die (76) a drug overdose.
Drug (77) is marked by an irresistible thirst (78) a substance. Successful treatment methods vary and include psychological counseling, or psychotherapy, and detoxification programs- medically supervised programs that (79) wean (戒除) an individual from a drug (80) a period of days or weeks.Detoxification and psychotherapy are often used together.
The illegal use of drugs was once considered a problem (81) to residents of poor, urban neighborhoods. Today, however, people from all (82) levels, in both cities and suburbs, abuse drugs. Some people use drugs to (83) stress and to forget about their problems. Genetic factors may predispose (84) individuals to drug addiction. (85) factors such as peer pressure, especially in (86) people, and the availability of drugs, also influence people to abuse drugs.
A、withC、needing
B、owning D、lacking
网考网参考答案：D
网考网解析：
根据全句前后意思，可知此空格应该表示否定含义，说明如果吃的食物中缺乏适量维生素和矿物质，就会造成营养不良。因此[D] lacking 正确。[A]with和[B] owning都表示“带有”的意思，与原文含义相反。[C] needing“需要”，也不合文意。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>