中国教育在线

剑桥雅思5 Test 2阅读Passage 1原文及答案Bakelite-the birth of modern plastics

剑桥雅思5 Test 2阅读Passage 1原文及答案Bakelite-the birth of modern plastics，今天中国教育在线就来为大家分析这个问题。 In 1907,Leo Hendrick Baekeland,a Belgian scientist working in New York,discovered and patented a revolutionary ...
中国教育在线

剑桥雅思5 Test 2阅读Passage 1答案解析Bakelite-the birth of modern plastics

剑桥雅思5 Test 2阅读Passage 1答案解析Bakelite-the birth of modern plastics，今天中国教育在线就来为大家分析这个问题。 对应原文：第2段：which means that,like candlewax,they melt when heated and can then be reshaped ...