Re: [問題] 一題邏輯求教
※ 引述《minie (GoGoGo)》之銘言：
: The population of peregrine falcons declined rapidly during the 1950’s and
: 1960’s and reached an all-time low in the early 1970’s. The decline was
: attributed by scientists to the widespread use of the pesticide DDT in rural
: areas.
: Which of the following, if true, gives the strongest support to the
: scientists claim?
果: xx動物減少
因: ddt用在郊區
: (A) DDT was not generally in use in areas devoted to heavy industry.
無關議題
用在重工業，並不會支持原文的因果觀點。
: (B) In the time since the use of DDT was banned in 1972, the population of
: peregrine falcons has been steadily increasing.
不用 ddt,xx動物增加
反因 造成 反果。
支持原因正確
: (C) Peregrine falcons, like other birds of prey, abandon eggs that fallen out
: of the nest, even if the eggs remain intact.
: (D) Starling, house sparrows, and blue jays-birds the peregrine falcon prey on
: —were not adversely affected by DDT in their habitats.
: (E) Other birds of prey, such as the osprey, the bald cage, and the brown
: pclican, are found in the same area as is the peregrine falcon.
: why A?
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