Ngày nay các kỳ thi toefl rất phổ biến. Mọi người luôn muốn kiểm tra tình độ qua các kỳ thi này. Vì đây là một kỳ thi mang tầm quốc tế và chứng nhận của cuộc thi sẽ được chấp nhận ở mọi quốc gia. Tài liệu sẽ giúp các sinh viên ôn luyện tốt các kỹ năng nghe, nói, đọc, viết dể chuẩn bị cho kỳ thi toefl. | to play a part in the phenomenon. Certain drugs that affect this region of the brain are known for their ability to cause hallucinations. Drugs such as LSD psilocybin and mescaline gained popularity with the 1960s Western youth culture for their ability to provide vivid hallucinatory experiences. It is also suspected that the brain has its own chemicals designed to produce hallucinations. For example some patients suffer from delirium tremens a violent period of hallucinations accompanied by sweating an increase in heart rate and a rise in body temperature. Through experience treating episodes such as this it is also known that certain chemicals can stop hallucinations. The drug Thorazine is often used to treat patients suffering from psychotic disorders that involve hallucinations. Regardless of the causes of hallucinations the effects they have on their subjects are very real. Hallucinations can cause the aforementioned change in heart rate and body temperature and they can also lead a person to act on the hallucination. Psychologists have found that the memories created by a hallucination are processed by the same part of the brain that handles normal memories Thus for the subject of a hallucination the experience is as real as any other. Paragraph 1 What Why _ Paragraph 2 What Why Paragraph 3 What Why Paragraph 4 What Why _ aragraph 5 What Why aragraph 6 What .
