及物动词就是说这个动作可以施加到别的物体上,也就是后加宾语.例如:He opened the door.“open”这个动词可以施加到“door”上,那它就是及物动词,宾语door也不可省略,否则句意不完整.(不知道到底开的是什么)不及物动词就是一个动作不能施加到另一个物体上,也就是后面不能加宾语.例如:He is running.run这个动词就是不及物动词,后面不能加sth.(不能说跑什么东西)这就是及物和不及物的基本区别,学习单词时要参照提示的词性,在理解的基础上运用,因为英语里有的动词既可以是及物也可以是不及物的.vi—不及物vt—及物
“a portion of , a series of, a kind of, a body of, a species of, a pair of+名词”作主语时,其谓语动词一般用单数形式。【例如】A series of accidents has occurred recently in America.A pair of new glasses is quite expensive.事件、机构、国名、作品等专有名词作主语时,谓语动词用单数。【例如】The Adventures of Huckleberry Finn was written by Mark Twain and it is an interesting book.The United Nations is an organization to defend world peace.</p 产品:澳博培训供货总量:不限产品价格:议定包装规格:不限物流说明:货运及物流交货说明:按订单