D
The year is 2094. It has been announced that a comet (彗星) is heading towards the Earth . Most of it will miss our planet , but two pieces will probably hit the southern half of the Earth .
On 17 July , a piece four kilometers wide enters the Earth’s atmosphere (大氣層) with a massive explosion . About half of the piece is destroyed , but the remaining part hits the South Atlantic at 200 times the speed of sound . The sea boils and a huge hole is made in the sea bed . Huge waves are created and spread outwards from the hole . The wall of water , a kilometer high , rushes towards southern Africa at 800 kilometers an hour . Cities on the African coast are totally destroyed and millions of people re drowned .
Before the waves reach South America , the second piece of the comet lands in Argentina . Earthquakes and volcanoes are set off in the Andes Mountains . The shock waves move north into California and all around the Pacific Ocean . The cities of Los Angeles , San Francisco and Tokyo are completely destroyed by earthquakes . Millions of people in the southern half of the earth are already dead, but the north won’t escape for long . Because of the explosions , the sun is hidden by clouds of dust , temperatures around the world fall to almost zero .Crops are ruined . The sun won’t be seen again for many years . Wars break out as countries fight for food . A year later , no more than 10 million people remain alive .
Could it really happen ? In fact , it has already happened more than once in the history of the Earth . The dinosaurs were on the Earth for over 160 million years . Then 65 million years ago they suddenly disappeared . Many scientists believe that the Earth was hit by a piece of object in space . The dinosaurs couldn’t live through the cold climate that followed and they died out . Will we meet the same end ?
【小題1】What is mainly described in the passage ?

A.A historic discovery .B.An event of imagination
C.A research on space .D.A scientific adventure .
【小題2】When the first piece hits the South Atlantic , it causes           .
A.a(chǎn)n earthquake B.damages to cities
C.a(chǎn)n Earth explosionD.huge waves
【小題3】Why can’t the northern half of the earth escape for long ?
A.Because the land is covered with water
B.Because the light and heat from the sun can not reach the earth .
C.Because people there can not live at the temperature of zero .
D.Because wars break out among countries .


【小題1】B
【小題2】D
【小題3】B

解析試題分析:這是一篇科普文章,是作者對(duì)若干年后人類(lèi)可能會(huì)面臨的災(zāi)難進(jìn)行假想。
【小題1】B此題屬于主旨概括題。這是一篇科普文章,通讀全文,可看出作者是對(duì)若干年后人類(lèi)可能會(huì)面臨的災(zāi)難進(jìn)行假想。答案為B。
【小題1】D此題屬于細(xì)節(jié)理解題。答案在第二段中“The sea boils and a huge hole is made in the sea bed. Huge waves are created...”最接近的答案應(yīng)為D。
【小題1】B此題屬于細(xì)節(jié)理解題。答案顯然在第三段“Because of the explosions,the sun is hidden by clouds of dust,temperatures around the world fall to almost zero...The sun won’t be seen again for many years. ”B符合題意。
考點(diǎn):本文為一篇科普類(lèi)文章。
點(diǎn)評(píng):在閱讀之前,先閱讀問(wèn)題,帶著問(wèn)題有針對(duì)性的去閱讀文章。閱讀注意事項(xiàng):1、關(guān)注連詞,分析文章邏輯結(jié)構(gòu)。2、聚焦代詞,明辨指代關(guān)系。3、抓住關(guān)鍵詞語(yǔ),利用平行結(jié)構(gòu)、上下文(包括定義、釋義、舉例、對(duì)比、標(biāo)點(diǎn))進(jìn)行判斷與推理。4、了解一些構(gòu)詞法,從詞根的特殊含義入手。

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科目:高中英語(yǔ) 來(lái)源:甘肅省2010屆高三下學(xué)期第一次診斷 題型:閱讀理解


D
The Harvard Student-led Walking Tour
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科目:高中英語(yǔ) 來(lái)源:吉林省長(zhǎng)春市十一高中2009-2010學(xué)年度高二下學(xué)期階段性考試 題型:閱讀理解


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