According to Landes, the main reason that some countries are so poor is that ______.

单项选择题In discussing Landes’s work, the author’s tone is ______.

单项选择题The cultural elements identified by Landes ______ those identified by other historians.

单项选择题The word reputation in my reputation in town enhanced my reputation at work is used in a (n) ______ sense.

单项选择题The reason why the author says in the essay that the title of the move This Land Is Mine is ironical was that the land is ______.

单项选择题In the passage, the author includes all of the following EXCEPT ______.