单项选择题America's emphasis on the importance of education for everyone has spurred scientific research.
单项选择题Weare’s contribution in predicting El Nino was highly praised by other meteorologists.
单项选择题According to a Chinese report, the flooding in China caused by El Nino in 1991 and 1997 affected 200 million Chinese people.
单项选择题It takes about eight months for El Nino to reach its peak.
单项选择题A special institute has been set up in America to study El Nino.