Duolingo 穴埋め問題 13回目
Posted: 2021/07/29
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By: 高橋 拓実
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Duolingoの穴埋め問題は対策があまりありません。
別ノートで読解穴埋め問題は解説しました（以下参照）。
https://www.alpha-notes.com/notes/duolingo125/a47b0a7bfcbec4c12050
これらも参照したうえで、後は問題演習量をこなしましょう。
以下の空欄の数字分のスペルを埋めて、全体が意味の通じる文章になるようにしましょう。
例）He beh( 4 ) badly, so his mother go( 1 ) angry.
=> He behaved badly, so his mother got angry.
適宜問題をこれからあげて行きますので
挑戦=>解答確認=>解説 の順で学習してみてください。難易度は1～10の中から主観で選んでいます。
（個人的に模擬試験で一番難しいと思った穴埋め問題のレベルを8にして調整しています）
(Question 25)
In 1995 a pa( 2 ) of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which w( 2 ) the scientists a portion of the 2019 Nobel Prize in Physics—researchers have discovered more than 4,000 exoplanets, including some Earth-like planets t( 3 ) may have the potential to har( 3 ) life. These planets may be the k( 2 ) to answering the questions, do aliens exist and ( 3 ) aliens real?
In order to detect if planets are harb( 5 ) life, however, scientists must first determine what features indicate that life is (or once was) pres( 3 ).
Over the last decade, astronomers have expended great effort tr( 4 ) to find what traces ( 2 ) simple forms of life—known as “biosignatures”—mi( 3 ) exist elsewhere in the universe. But what ( 2 ) an alien planet hosted intelligent life that built a technological civil( 7 )? Could there be “technosignatures” that a civilization on another world would create ( 4 ) could be seen from Earth? And, could these technosignatures be even easier to detect ( 4 ) biosignatures?
(Question 26)
Though the ordinary man looks up( 2 ) death with dread and sadness, those ( 3 ) have gone before know it as a wondrous exper( 5 ) of peace and freedom.
At death, you for( 3 ) all the limitations of the phy( 5 ) body and realize h( 2 ) free you are. For the fir( 2 ) few seconds there is a sen( 2 ) of fear — fear of the unknown, ( 2 ) something unfamiliar to the consci( 7 ). But af( 3 ) that comes a great realization: the soul fe( 3 ) a joyous sense of rel( 3 ) and free( 3 ). You know that you exist ap( 3 ) from the mortal body.
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