Passage 2Questions 6 to 10 are based on the following passage: Half of the world’s coral reefs(珊瑚礁) have died in the last 30 years. Now scientists are racing to ensure that the rest survive. Even if
Passage 2Questions 6 to 10 are based on the following passage: Dr. James Barry was the first woman in England to go to medical school. When she was growing up, woman could not go to medical school. (
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