82. Television is more than just an electronics; it is a means of expression, as well as a vehicle for communication, and as such becomes a powerful t...
61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities....
26. By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art....
托福8000词汇怎么背?新东方俞敏洪老师从100套托福真题中提炼而出的100个经典句子，教你从100个句子记完的7000个托福单词...
if从句中的动词用过去完成时，主句中的动词用条件完成时。这种句子所指的时间是过去；所提出的条件是不可能实现的，因为if从句中的动作在过去并未发生。...
if从句中的动词用一般过去时，主句中的动词用条件时态：...
if从句中的动词是一般现在时，主句的动词是一般将来时。主句和从句的先后次序无关紧要。...
我们再来看一个这种结论+例证”关系的例子：...
一、with+名词（短语）+分词”结构...
(5). Most of his works today reflect his observations of Chinese people's lives in their different aspects, the emphasis being on the countryside ...