Unit 6 Nature in words Developing Ideas 语言点课件-2022-2023学年高中英语外研版（2019）选择性必修第三册

There was a strange stillness. The birds, for example-where had they gone? Many people spoke of them, puzzled and disturbed. The feeding stations in the backyards were deserted. The few birds seen anywhere were moribund; they trembled violently and could not fly. It was a spring without voices. On the morning that had once throbbed with the dawn chorus of robins, catbirds, doves, jays, wrens, and scores of other bird voices there was now no sound; only silence lay over the fields and woods and marsh. Silent Spring 1. still: adj --- ____________:n. 2. Many people spoke of them, _________ (puzzle) and____________ (disturb). 3. They trembled __________(violence) and could not fly. 4. scores of : ? score: n./v. ? 5. Only silence lay ________ the fields and woods and marsh. stillness puzzled disturbed violently over The writer Rachel Carson was a scientist by profession, but she also had the talent as a writer. The publication of the book It was published in 1962, titled Silent Spring. The opening chapter of the book is “ A Fable for Tomorrow”. purpose By imagining a world without birds, she aimed _________(alert) not only the scientific community but also the general public _______ the damaging effects of human activity _____ natural ecosystems — in particular, ____ the harmful use of pesticides, such as DDT. Rachel Carson believed that the chemical industry was knowingly causing harm to plants, animals and even humans, and wished to see pesticides used in a more responsible, limited and carefully monitored way. to alert to on to be a scientist by profession the lines from the opening chapter alert sb to sth in particular cause harm to in a more limited and carefully monitored way 在职业上是一个科学家 开章的文字 使某人意识到\警醒某事 特别地 造成损害 以更加截止且严加监管的方式 Carson urged people to make themselves aware of the facts and do something about the situation. Silent Spring contains a lot of __________ (science) research and case studies. The book gives also dozens of othe