内容正文:
Unit 6
Nature in words
Developing ideas
*DDT is a well-known pesticide(杀虫剂).
*The abbreviation stands for Dichloro-Diphenyl-Trichloroethane, one of its names.
*The Swiss chemist Paul Hermann Müller
(保罗·赫尔曼·穆勒) was awarded the Nobel Prize in Physiology or Medicine in 1948, for his discovery.
Look at the infographic below and answer the questions.
1. How does DDT reach the human body in the food chain?
Check your answers!
1. When DDT is sprayed onto plants in order to kill insects, it is absorbed by plants and subsequently consumed by animals; humans in turn eat those animals. DDT also leaks through the soil and into rivers and lakes, where it contaminates fish consumed by humans.
2. DDT is highly poisonous to living organism, including humans.
Have you ever read the book Silent Spring that led to the banning of DDT?
2. What harm does DDT cause?
单击此处编辑母版文本样式
第二级
第三级
第四级
第五级
● Silent Spring was written by Rachel Carson (1907-1964) in 1962 who was a marine biologist and nature writer.
●The book outlined the dangers of chemical pesticides, led to a nationwide ban on DDT and other pesticides and sparked the movement that ultimately led to the creation of the US Environmental Protection Agency (EPA).
Book reviews are assigned to allow readers to present their own opinion regarding the author's ideas included in the book or passage. They are a form of literary criticism that analyzes the author's ideas, writing techniques, and quality. A book analysis is entirely opinion-based, in relevance to the book.
Today we will learn a book review on Silent Spring. Now let’s predict what will be mentioned in the passage.
Now read the passage and check your prediction.
Read the passage and check your prediction.
A. basic information about the book(including the author, year of publication, theme and main idea)
B. the purpose of publishing this book
C. features of the writing
D. comments on this book
E. influence of this book
Choose the message mentioned in the passage.