1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。时间状语: every…, sometimes, at…, on SundayI leave home for school at 7 every morning.2) 客观真理,客观存在,科学事实。The earth moves around the sun.Shanghai lies in the east of China.3) 表示格言或警句中。Pride goes before a fall. 骄者必败。注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。例:Columbus proved that the earth is round..4) 现在时刻的状态、能力、性格、个性。I don't want so much.Ann Wang writes good English but does not speak well.比较:Now I put the sugar in the cup.I am doing my homework now.句用一般现在时,用于操作演示或指导说明的性动作,表示言行的瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。
global village 地球村second-hand information 二手信息critical thinking 批判性思维powerful means of communication 有力的交流工具main cause 主因family attachment 家庭归属感mutual understanding 相互了解alienation of affection 感情疏远generation gap 代沟</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