大学英语六级考试常用提分单词答:(二)大学英语六级考试常用替换词 1. important=essential, underlying, eventful, vital, overwhelming, significant, indispensable, paramount, cardinal, substantial, weighty 2. many=numerous, a sea of, plentiful, copious, good deal of, a host of,a multitude of, an army of,3. happy=...