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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 million cases were treated in emergency department, and appr

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

  During a trip to observe wild animals in Africa, I encountered the least brave animal on earth, the wildebeest(角马). I sat on a riverbank for three hours watching a group of thousands build (56)_____ the courage to drink water.  More than a million w

  During a trip to observe wild animals in Africa, I encountered the least brave animal on earth, the wildebeest(角马). I sat on a riverbank for three hours watching a group of thousands build (56)\_\_\