第33题: [单项选择]As all the people of the world share one earth, industrial countries should be responsible for helping ______ and ______ countries. A. developed... underdeveloped B. developing... underdeveloping C. developing... underdeveloped D. developed... underdeveloping 参考答案:C 答案解析:该句意为“因为全世界的人类共同拥有一个地球,所以工业国家有责任帮助发展中国家和不发达国家”。developing意为“发展中的”,developed意为“发达的”,underdeveloped意为“不