大同托福聽(tīng)力下載文本 mp3.docx

智課網(wǎng)TOEFL備考資料大同托福聽(tīng)力下載文本 mp3 智課教育托福頻道為大家?guī)?lái)大同托福聽(tīng)力下載文本 mp3。備考托福聽(tīng)力需要考生積累很多有價(jià)值的托福素材，例如托福聽(tīng)力常用模板、托福聽(tīng)力音頻資料、話題素材;托福聽(tīng)力參考書(shū)等。智課教育托福頻道為大家匯總與托福聽(tīng)力有關(guān)的免費(fèi)資料，希望能夠幫助大家。 Listen to a voncersation between two stduents in the lounge of a college dormitory. 點(diǎn)擊下載MP3 (MA) So, you see, physical illness can have psychological causes. Now, we just have time to introduce another interesting example of the interaction between the mind and the body - placebos. Placebos - maybe youve heard them called sugar pills - are harmless substances - not always sugar - that are used routinely on groups of sick people in experiments. These experiments test the effectiveness of new drugs. One group is given the new drug, the other group is given a placebo, and the results are measured. As you might guess, some of the people who receive the new drug get better. Surprisingly, however, some of the placebo group also get better. Why? Well, its an interesting question, one which doctors cant quite answer. Some of the group may have gotten better on their own, without any treatment at all, but research has shown that the very act of taking a medication that you think will make you better, often does make you feel better. Have you even taken an aspirin and felt better in five minutes? Aspirin doesnt work that fast, does it? falling intonation Basically, if you believe you will get better - sometimes you do. The history of how doctors and healers have used the mind-body connection to cure people is long and interesting - but I see that its time to chose, so Ill have to cover this in the next class. Youll have to hold your questions on this topic till then. Before you