According to the author, Chile' s greatest attraction is ______.

单项选择题The objection to the development of Chile' s tourism might be all EXCEPT that it ______.

单项选择题According to the passage, in WHICH area improvement is already under way

单项选择题Which of the following conclusion drawn from the passage is NOT true

单项选择题Who does the word Stakhanovites refer to according to the passage

单项选择题Crippen was absent from the DNB ______.