【单选题】Sarah needs funding to research the efficacy of a certain drug for the treatment of cancer. Though her initial trials have been inconclusive, Sarah is sure that the drug will prove to be effective. Ho...
【简答题】When we consider why the adverse person resists changing, what we often do is using a m_______ to specify the positives and negatives.(答案一定不要把首字母写出来,答案前后一定不要有空格或标点符号!答案有大小写的区别!)