Q4：What's the structure of the passage? By reading, you will find its inner logic through specific conjunctions.
(1) Omitting（ 删减）
(A) Omit the detailed information
They damage the land by killing the helpful bacteria and pests as well as the harmful ones. (They damage the land.)
(B) Omit the repeated information
In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition. (They lack enough nutrition.)
(C) Omit the examples
They often change the kind of crop in each field every few years, for example, growing corn or wheat and then the next year peas or soybeans. (They often change the kind of crop in each field every few years.)
(A) Change the pattern of the sentence: Scientists have been finding that..（. It has been discovered that...）
(B) Use the synonyms or synonymous phrases: recently (in recent years); find out (discover)
Write a coherent summary of the passage.(Pay attention to the cohesion)
(A)Does your summary cover all the gist information of the passage as a whole? (B)Does your summary have accurate grammar and vocabulary? (C)Is there any joint component to make your summary coherent?(D)Is your summary presented in your own words?