Duolingo 穴埋め問題 10回目
Posted: 2021/07/15
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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 19)
Dinosaurs were a successful gr( 3 ) of animals that emerged between 240 million and 230 million years ago and came to ru( 2 ) the world until about 66 million years ago, wh( 2 ) a giant asteroid slammed into Earth. During that time, dinosaurs evolved from a group of mostly dog- and horse-size creatures i( 3 ) the most enormous beasts th( 2 ) ever existed on land.
Some meat-eating dinosaurs shrank over time and evo( 4 ) into birds. So, in that se( 3 ), only the non-avian dinosaurs w( 3 ) extinct. (For the purposes of this article, "dinosaurs" will refer to non-avian dinosaurs, unless oth( 6 ) stated.)
During the roughly 174 million years that dinosaurs exi( 4 ), the world changed greatly. When dinosaurs first appeared in the Triassic period (252 million to 201 million years ago), they roamed the supercontinent of Pangea. But ( 2 ) the time the asteroid hit ( 2 ) the end of the Cretaceous period (145 million to 66 million years ago), the continents were in approximately the same place they ( 3 ) today.
(Question 20)
Mental tough( 4 ) is paramount for achieving any lofty goal or overc( 5 ) extreme hurdles. F( 2 ) great things in this world come wit( 4 ) a little bit of adversity. No( 5 ) amazing happens inside our comfort zo( 3 ). Whe( 4 ) we are talking about earning a promotion, nurturing a challenged marriage, mastering a sport, building or saving a small business, batt( 4 ) disease, dealing with the loss of a loved o( 2 ), raising children, or hunting terrorists, some suffering will always be att( 5 ). That’s w( 2 ) the things we love and work hard ( 3 ) are reward( 3 ).
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