Next fifty years will be dominated by the (/) three scientific change (changes). The exploitation of the nuclear energy will provide abundant and cheap source (sources) of power for economical (economic) development, (and) consequently improve the standard of ……
The Web, which people are using today, is a collection of linked pages mainly written in HTML. Owners of websites produce information, and render an HTML version of them to show to ……
Ludwig van Beethoven overcame many personal problems to achieve
artistic greatness. He was a major composer of the nineteenth century.
He was born in Bonn, Germany, in 1770. His mother died when Beethoven
was a young man, and he was named guardian of his two younger brothers.
He w ……
Verb tense 动词时态 Singular or plural form of a noun 名词单复数 Collocation 固定搭配 Idiomatic expressions 习惯表达法
Articles 冠词
Active or passive voice 主动/被动语态
Transitive or intransitive verb 及物/不及物动词
Missing conjunctions 连词丢失
Proper names 专用名词< ……
In my childhood, the Spring Festival was one of my most favorite days.
I liked to play cards and games with my brothers and sisters but I
couldn't see them at ordinary times, so the Spring Festival took us a
chance. During the Spring Festival, my parents and I always visited
relatives day after day. ……
These days I have read a paper titled A Logical Framework for Modularity of Ontologies, which just appeared in the International Joint Conference on Artificial Intelligence (IJCAI) 2007. I chose this paper because it is close-related to my research field, nam ……
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