高中英語module6animalsindanger第一課時introductionreading課后作業(yè)外研版必修5(編輯修改稿)
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【文章內(nèi)容簡介】 ply, ______ the classroom atmosphere very dull. A． making B． made C． to make D． make 答案： A 句意：有些老師經(jīng)常尖刻地批評學(xué)生，這使得教室的氣氛非常沉悶。 making the classroom atmosphere very dull 是現(xiàn)在分詞短語作結(jié)果狀語，表示一種自然而然的結(jié)果；不定式作結(jié)果狀語多表示出乎意料的結(jié)果，故不選 C項。 Ⅳ. 完形填空 Our pla is teeming(豐富的 ) with life. Tigers and turtles, bats and bees, gnats and gnus, crabs and crabgrass— the list seems __1__. We39。ve named more than million species, and suspect that millions more remain __2__. Scientists call this mind173。boggling(驚人的 ) variety of life biodiversity. __3__ so many species, it39。s surprising to realise that so many are in danger of being __4__. Extinct __5__ are plants and animals that once lived on Earth, but __6__ live anywhere in the world. __7__ species are those most in danger or extinction. Even large populations of animals can be __8__ risk. Passenger pigeons once flew in flocks so large that they __9__ America39。s skies. __10__ time, habitat destruction and hunting decreased the birds39。 numbers. The last one died __11__ in the Cincinnati Zoo in 1914. Dinosaurs, dodo birds, and passenger pigeons are all extinct. Extinction have always happened __12__， but in modern time, people have pushed wildlife to the brink much more quickly than ever before. We39。re __13__ wildlife very rapidly! Endangered species are animals and plants that are in danger of being extinct. The US Endangered Species Act of 1973 was __14__ to protect threatened wildlife and habitats so they don39。t __15__ the way of the dodo. Why do animals bee endangered or extinct? The main reason is __16__ of habitat. Habitat __17__ or fragmentation(破壞 ) can make it __18__ for wildlife to survive. However, as people learn to take __19__ care of plants and animals, and their habitats, endangered and threatened species may begin to make a eback. In fact, bald eagles, black173。footed ferrets, and many __20__ species already have. 1． B． endless C． limited D． limitless 答案： B 上半句中列舉了大量的生命體，故用 endless表示 “ 無窮無盡的 ” 。 2． B． discovered C． undiscovering D． undiscovered 答案： D 我們已經(jīng)命名的物種有 150多萬，并推測還有
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