“健康電話”目標(biāo)AIDS(2)

氣候變化的妥協(xié)（2）

氣候變化的妥協(xié)（2） Hints: Copenhagen India's environment minister praised the united position taken by India, China, Brazil and South Africa. He said it permitted them to avoid the legally bindi...

幼兒死亡率創(chuàng)新低(2)

聯(lián)合國兒童基金會最近的調(diào)查顯示幼兒的死亡率創(chuàng)了歷史新低UNICEF says progress in Asia, especially in China and India, has helped drive the worldwide reduction since nineteen ninety. Death rates have...

收集種子，收集希望(2)

一項種子收集行動在進行中，目的是為了保護那些瀕危的物種Some orphan crops cannot be grown from seeds. Instead, cuttings, roots and cell cultures will be gathered from gene banks. And the project wi...

異形蚊子(2)

科學(xué)家正在進行異形蚊子在抵御瘧疾病流行的研究Marcelo Jacobs-Lorena is with the Malaria Research Institute at Johns Hopkins University in Baltimore, Maryland. Jacobs-Lorena says investigators creat...