Passage 1Questions 1 to 5 are based on the following passage: As the National Park Service celebrate its 100th anniversary(周年纪念), President Barack Obama has announced the establishment of one new national monument, and the expansion(扩大) of another. In Ma
Passage 1Questions 1 to 5 are based on the following passage: As the National Park Service celebrate its 100th anniversary(周年纪念), President Barack Obama has announced the establishment of one new nat