2014年12月19日英语四级翻译答案

　　解析：

　　87.You would not have failed if you had followed my instructions

　　88.Despite the hardship he encountered,Mark never gave up pursuing knowledge

　　89.Scientists agree that it will be a long time before we find the methods of curing cancers

　　90.Production has to be increased considerably to keep pace with the constantly increasing demands of consumers

　　91.The more exercise you take,the fewer chances you will have of catching a cold