主谓一致是指:1) 语法形式上要一致,即单复数形式与谓语要一致。2) 意义上要一致,即主语意义上的单复数要与谓语的单复数形式一致。3) 就近原则,即谓语动词的单复形式取决于最靠近它的词语,一般来说,不可数名词用动词单数,可数名词复数用动词复数。例如:There is much water in the thermos.但当不可数名词前有表示数量的复数名词时,谓语动词用复数形式。例如:Ten thousand tons of coal were produced last year.15.1 并列结构作主语时谓语用复数,例如:Reading and writing are very important. 读写很重要。注意:当主语由and连结时,如果它表示一个单一的概念,即指同一人或同一物时,谓语动词用单数,and 此时连接的两个词前只有一个冠词。例如:The iron and steel industry is very important to our life. 钢铁工业对我们的生活有重要意义。典型例题The League secr