Learn to debate, this is a very important concept weapon.
finally, introduce a small game about opposition causes, it is suitable for students in the club to play with. A
, find an article to prove the causal relationship between the (report, said posts or on the draft). The association of severe smoking and erectile dysfunction was published by Italian scholars, from January 1999 to December 2002, a total of 860 patients with erectile dysfunction were collected from 18 to 44 years of age. Results showed that there were 62.8% patients had or still have the habit of smoking, pumping by a daily average of more than 20 cigarette heavy smokers to count the words, of which 337 people is 39.2% of patients with erectile dysfunction were severe smokers, compared with 4% in the general population of Italy, erectile dysfunction patients were ten times more than the average person.
two, the cause and effect, try to find out the other possibilities.
three, look back, the other side should make up what kind of evidence, in order to exclude our hypothesis? I will find a return to, want to prove something, it's really hard to. Long time to practice, and information, and become very strong.
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