Duolingo 穴埋め問題 3回目
Posted: 2021/06/22
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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）
問題5)
Alt( 5 ) we can’t see black holes, scientists have been able to study them b( 1 ) observing how they inter( 3 ) with the environment around them with tele( 6 ) like Swift, Chandra, and Hubble. In 2017, NASA's Swift telescope map( 3 ) the death spiral of a star a( 1 ) it is consumed by a black hole. This year, astro( 6 ) using Chandra have discovered evi( 5 ) for thousands of black holes loca( 3 ) near the center of our Milky Way galaxy.
問題6)
While be( 3 ) a tiny bug in a big world is certainly a chal( 5 ), there are some useful advantages to being small. An insect doesn't have much body mass, b( 2 ) the surface area of its body is large in prop( 6 ) to that mass. And that means physical for( 3 ) don't affect insects the way they ( 2 ) larger animals. Because the ratio of their body mass ( 2 ) surface area is so large, they can accomplish physical feats imp( 7 ) to humans, or even to small animals like birds or mi( 2 ). An insect can withstand falls because i( 2 ) minimal weight means it lands with significantly le( 2 ) force.
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