Zhong Nanshan, an 83-year-old doctor 1.______ became a household name 17 years ago for “daring to speak” in the fight 2.______ SARS, is the public face of China’s effort to control a new strain of coronavirus. Despite his 3.______ ( advance ) age, Zhong was appointed to lead the 4.______ ( investigat e) into the new virus, which has rattled ( 使发狂 ) millions of Chinese who are traveling for the week-long Lunar New Year holiday. 5.______ (he) announcement on Monday that the virus could spread between humans ratcheted up ( 增 加 ) 6.______ ( worr y) about the outbreak, 7.______ which Beijing has warned officials of public shame if they cover up any infections. That marks a departure from 2003, 8.______ in an atmosphere of fear and suspicion, Zhong, a respiratory diseases specialist, gave media his candid ( 坦诚 ) , pessimistic assessment of the severity of the SARS crisis. Zhong was hailed for his integrity and 9.______ ( remain ) a public figure ever since, 10.______ ( weigh t) in on public health issues such as air pollution and food safety.