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17. (A) What’s more, it is not water that makes HD189773b look blue
(B) With its blue color, HD189773b could be a second Earth for us
(C) Except for its blue color, HD189773b is nothing like our home planet
(D) Because of its blue color, people guess there might be life on HD189773b
題目文句:__17__: It is much bigger, it is made of gas and it is burning hot.
題目翻譯: ____ : 它更大,它是由氣體所組成,且如火燒一般炙熱。
解題線索:後面提到 In heat as great as 1,000°C, life is not possible. (在高達
攝氏一千度的高溫下,生命不可能存在。),由此得知該系外行星的溫度極
高,物質條件使生物無法存活,因此空格應填入「除了它藍色的外表之外,
HD189773b 一點都不像我們的家園行星。」,符合文意的答案為(C) Except for
its blue color, HD189773b is nothing like our home planet。
(A) What’s more, it is not water that makes HD189773b look blue(此外,並非是
水使 HD189773b 看起來是藍色的):文中並未提到 HD189773b 呈現藍色的
原因;(B) With its blue color, HD189773b could be a second Earth for us(憑藉其
藍色的外表,HD189773b 能成為我們的第二顆地球):後段已提到該行星不適
合生物生存,且文中未提及其能成為第二顆地球;(D) Because of its blue color,
people guess there might be life on HD189773b(因為其藍色外表,人們猜測在
HD189773b 上可能有生命存在):後段提到由於高溫,該行星無生物存在,故
以上均與文意不符。
18. (A) gives us hope
(B) took hard work
(C) has changed our life
(D) helps us know more about Earth
題目文句:Even so, finding this blue giant __18__.
題目翻譯:即使如此,找到這顆藍色的巨大行星 ____。
解題線索:後面提到 It is the first time that we have been able to see the color of
an exoplanet. (這是我們首次能看見系外行星的顏色。)、While we have a long
way to go before we find a new planet to live on, finding a blue dot is a good start.
(儘管在我們找到新的星球居住前,我們還有很長的路要走,找到這個藍點
是一個好的開始。),由此得知能看見這顆系外行星,對於人類的外太空探
索無疑是一項進展,因此找到這顆藍色巨大行星「給予我們希望」,符合文
意的答案為 (A) gives us hope。
(B) took hard work(歷經艱辛):文中並未提到找尋該行星的詳細過程;(C)
has changed our life(已改變了我們的生活):文中僅提及是一個好的開始,
但該行星的發現並未改變目前人類的生活;(D) helps us know more about
Earth(幫助我們更加了解地球):文中並未提及我們因此更加了解地球,
故以上均與文意不符。