Unit 6 Nature in words阅读 P68－69教材课文，选择最佳答案。1．Why did many people get puzzled and disturbed?A．Because they didn't speak of birds again.B．Because the feeding stations were destroyed.C．Because most birds were gone.D．Because birds voices were unusual.2．What can we learn about Rachel Carson?A．She was born in 1962.B．She was a writer by profession.C．She thought pesticides were harmful.D．She used too many pesticides daily.3 ． What caused a great increase in the awareness of protecting the environment?A．Carson's research.B．The fireant program.C．The green movement.D．Some gypsy moths.4．Who supported Carson's research strongly?A．Most writers.B．Most scientists.C．Most critics.D．Most officials.[答案] 1－4 CCABWords And Phrases dozen n./number 一打；许多( 教 材 P69)The book also gives dozens of other examples of eradication programmes that did nothing to reduce the problems they were originally designed to solve.该书还列举了许多其他的实例来说明一些根除方案根本没有采取任何措施来减少它们原本要解决的问题。[例 1] I'd like three dozen altogether.我一共想要 3 打。[例 2] Dozens of people have been injured and many vehicles set on fire.很多人受了伤，很多汽车起火。[造句] 他已在这儿住了 24 年。He has lived here for two dozen years.[知识拓展]by the dozen按打计算；大量地dozens of 许多的[即学即练] 单句语法填空①On her birthday，she always receives cards by the dozen.②Dozens(dozen)of miles of railway track have been torn up.③If you buy a dozen of these tins，we can take 5 percent off the price.[名师点津](1)与具体数字连用时，不加复数词尾s；若后接名词，通常也无需用介词 of。(2)若不与具体数字连用，而是表示不确定的泛指数时，则不仅要加复数词尾s，而且要后接介词 of，然后才能接名词。如：There were dozens of people there.那里有许多人。(3)当与 a few，several，many 等数目不很具体...
