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气候变化的妥协(2)
气候变化的妥协(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...
我是小孩不是大人(2)
科学家们对小孩的行为是否该早熟展开激励争论Laurence Steinberg is a psychology professor at Temple University in Philadelphia. He says stronger laws, and stronger parental control, are needed to pr...
灾前准备培训(2)
天灾不断,有不少组织就开始对居民进行灾前准备的培训Cassie Dummett is the technical adviser for South Asia. She tells us from New Delhi that some of the most successful programs are in parts of cen...
可以治病的大米(2)
能不能边吃饭,一边就把病治了?可能吗?People would take the vaccine as a drug that contains the powder. Cholera is usually spread through water or food, in places where conditions are dirty and d...