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第2部分:閱讀判斷
16.A【解析】題意:據(jù)估計(jì)木衛(wèi)二的地下水池的蓄水量與北美五大湖一樣多。
根據(jù)文章第二段最后一句concluded that the forma‘tions mark the top of an underground pool that holds as much water as the U.S.Great Lakes,可知題干表述正確。故選A。
17.B【解析】題意:木衛(wèi)二獨(dú)特冰層是由于地下水池的而產(chǎn)生的。
根據(jù)第三段最后一句The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface和第六段最后一、二句that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures可得知木衛(wèi)二獨(dú)特冰層的產(chǎn)生可能是因?yàn)椴煌瑴囟鹊乃捅旌掀饋碓斐傻?,所以題干說法有誤。故選B。
18.C【解析】題意:木衛(wèi)二作為木星的衛(wèi)星是最近發(fā)現(xiàn)的。
文章第一段第一句Europa,one of Jupiter’s 63 known moons中只提及木衛(wèi)二是木星63顆衛(wèi)星之一,并沒有說木衛(wèi)二是最近發(fā)現(xiàn)的。故選C。
19.B【解析】題意:木衛(wèi)二比月球大一點(diǎn)。
根據(jù)文章第三段第一句Europa,which is slightly smaller than Earth’s moon表明木衛(wèi)二比月球稍小。所以題干說法錯(cuò)誤的。故選B。
20.B【解析】題意:施密特與她的同事是最早對(duì)木衛(wèi)二展開研究的科學(xué)家小組。
從第三段倒數(shù)第二句For more than 10 years,scientists have wondered what causes the forma—tions我們可以得知,十多年前已經(jīng)有科學(xué)家對(duì)木衛(wèi)二進(jìn)行研究了,所以題干說法錯(cuò)誤的。故選B。
21.B【解析】題意:木衛(wèi)二的地貌在宇宙中是非常獨(dú)特的。
從第六段第二到五句they searched for similar formations here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland…scientists now suspect something similar might be happening on Europa可知南極冰架和冰島火山冰蓋也存在著相似的結(jié)構(gòu),所以木衛(wèi)二的地貌并不是獨(dú)一無二的。故選B。
22.A【解析】題意:存在液態(tài)水對(duì)維持生命的環(huán)境是必要的。
根據(jù)文章第一段最后一句Where scientists find liquid water,they hope to find life as well和最后一段That mixture may create an environment that supports life,可知液態(tài)水對(duì)于生命來說必不可少,因此題干表述正確。故選A。
(責(zé)任編輯:vstara)