题目

         Cocaine is a powerfully addictive drug. Users become   to it easily if they smoke it because smoking （allow) cocaine to reach the brain very (quick). Users who inject the drug are also in more danger if they share needles other users. (use) cocaine increases the user's heart rate and blood (press).         As  result, cocaine users sometimes have heart (attack), also causes anti-social   (behave). 答案：【1】addicted【2】allows【3】quickly【4】with【5】Using【6】pressure【7】a【8】attacks【9】which【10】behavior

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