自然与科技 1.澳洲皮肤癌研究 skin cancer research in Australia 2.澳洲医疗与中医 Australian medical care and traditional Chinese medicine 3.保护欧洲森林preservation of European forest 4.地震earthquake 5.电信技术发展development of telecommunications 6.厄尔尼诺现象 El Nino 7.海底热资源 the ocean heat resource 8.海底探测船flip ship 9.海沙流失 disappearance of sea sand 10.火山爆发 volcanic eruption 11.计算机化交通系统computerized transportation 12.减少闪电危害 how to reduce the harm of lightning 13.摩斯密码Morse code 14.南非黄金开采 gold mining in South Africa 15.桥梁检测与修复detection and repair of bridges 16.全球气候暖化 global warming 17.染料与颜料dye and pigment 18.热带雨林 tropical rainforest 19.人造丝制造 the production of rayon 20.探索太空生物 life in the outer space 21.信息技术与运输IT and transportation 22.英国绿农业 green farming/agriculture in Britain 23.自然周期与生物 natural cycle and creatures