Passage 3Questions 11 to 15 are based on the following passage. The word science is heard so often in modern times that almost everybody has some notion of its meaning. On the other hand, its definit
Passage 1Questions 1 to 5 are based on the following passage: In 2014, older Americans fell 29 million times, leading to 7 million injuries, according to a report published last week. About 2.8 milli
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