The distribution of topic sentences in Chinese and English paragraphs;

It analyses the advantages and disadvantages of the three leading units of translation-sentence,paragraph and text as well as the integrative way nowadays.

Benefiting from the theory, English paragraph writing should move from general information to more specific information, put "given" information before "new" information, make a link between sentences as soon as possible and try to include the verb and its subject in the first few words of a sentence.