大学英语四级考试知识点句型:_ plays an extremely important role._ is of utmost importance.Nothing plays a more important role than _.替换词:important可以替换词汇:significant(意义深远的)essential(关键的) indispensable(不可替代的) pivotal(中枢作用的)key(关键的)等等。注意:indispensable 不可替代,本身就代表了非常重要,所以千万不要写extremely indispensable.变通:我们也可以换成其他意思,比如 it is of great necessity to do sth. 表示做.非常必要比如play a role/part也可以表示扮演着重要的角色。结合经典开头:There is little doubt that It cannot be denied that It is beyond doubts that It