Passage 2
Several years ago, a television reporter was talking to three of the most important people in America. One was a very rich banker, another owned one of the largest companies in the
【解析题】Section 6: Reading Comprehension (20%)
六.阅读理解(20分)
Directions: In this section, you will have two passages to read. Choose the best answer from the four choices marked A, B,
【解析题】宋徽宗赵佶在《圣济经》中列“药理篇”,是中医药最早的药理专论。
3.6 有其它学者对这项研究的抽样提出质疑,认为基本不存在一个包含所有农民工个体的抽样框。这实际上是在质疑研究哪方面的效度问题?