题目内容
M: Drug abuse can cause a wide variety of adverse physical reactions. Long-term drug use may damage the heart, liver, and brain. Drag abuses may suitor from malnutrition if they habitually forget to eat, cannot afford to buy food, or cat food lacking the proper vitamins and minerals.
W: Drugs cost lots of money. It can push the family to the edge of breakdown.
M: Yes, you are right. Drug abuse often casts the whole family into the abyss of agony. Individuals who abuse injectable drugs risk contracting infections such as hepatitis and HIV from dirty needles. One of the most dangerous effects of illegal drug use is drug overdosing, which may cause an individual to lose consciousness and to breathe inadequately. Without treatment, an individual may die from a drug overdose.
W: What's the main feature of drug addiction？
M: Drug addiction is marked by a compulsive craving for a substance.
W: Is it true that there is no escape once you fall in the hand of drugs？
M: Not exactly. Successful treatment methods include psychotherapy, and detoxification programs— medically supervised programs that gradually wean an individual from a drug over a period of days or weeks. Detoxification and psychotherapy are often used together.
W: Why are so many young people go in for drags？
M: Most of the young people go astray just out of curiosity, but some use drugs to relieve stress and to forget about their problems. Genetic factors may predispose other individuals to drug addiction. Environment factors such as peer pressure, and the availability of drugs, also influence people to abuse drugs.
(23)
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Some people in the metal industry think the new trend will ______.
听力原文： Experts say some farming activities are seriously damaging Earth's environment. Bad farming methods can damage soil, forests and water supplies. They also have caused some plants and animals to disappear.
Two groups now say that bad farming methods are threatening the ability of farmers to produce enough food to feed the world population in the future.
The groups used satellite images, maps and modern equipment to study the effect of agriculture on the environment. The study found that the destruction of soil is widespread. Important organic nutrients are being removed from farmland.
Agriculture uses seventy percent of the freshwater in the world each year. The study found that many farmers are wasting water supplies. In addition, chemicals designed to protect crops may pollute waterways.
The report also says as much as thirty percent of the world's forests have been cut down so the land could be used for agriculture. This has led to a severe loss of wildlife and their environments.
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What would be a good reason for the man to buy the product？
How much did the new standard weight cost？
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