题目

在横线上填上“>”“<”或“=”。94+5 8+2917-27+714+418-2 7+316-6 7+24+6 答案：【1】=【2】>【3】>【4】>【5】=【6】< I’ve already told you that the fourth and last part of the article ______ the most difficult to understand. A. is               B. was                      C. are             D. were