劍橋雅思17Test3Part4聽力答案解析Bird Migration Theory

劍橋雅思17聽力第三套題目第四部分由10道提綱型填空題組成。除了第36題定位比較困難，第40題拼寫比較困難之外，其他題目的難度都還可以接受，屬于考試中偏簡(jiǎn)單的類型。

劍橋雅思17 Test3 Part4聽力答案解析

第31題答案：mud

對(duì)應(yīng)原文：Another theory for the regular appearance and disappearance of birds was that they spent winter hidden in mud till the weather changed and food became abundant again.

答案解析：聽到another theory（對(duì)應(yīng)題干上的or）意識(shí)到答案即將到來，空前介詞in原詞出現(xiàn)，根據(jù)修飾關(guān)系鎖定答案為mud。

第32題答案：feathers

對(duì)應(yīng)原文：He observed that in the autumn,small birds called‘redstarts’began to lose their feathers

答案解析：聽到autumn意識(shí)到答案即將到來，空前修飾詞loss與lose詞性替換，很容易鎖定答案為feathers。

第33題答案：shape

對(duì)應(yīng)原文：These assumptions are understandable given that this pair of species are similar in shape

答案解析：聽到assumptions意識(shí)到答案即將到來，空前修飾詞similiar原詞出現(xiàn)，甚至句子語序都沒有任何改變，很容易鎖定答案為shape。

第34題答案：moon

對(duì)應(yīng)原文：Charles Morton,in the seventeenth century.He wrote a surprisingly well-regarded paper claiming that birds migrate to the moon and back every year.

答案解析：聽到Charles Morton和17th century意識(shí)到答案即將到來，空前詞fly與migrate同義替換，介詞to原詞出現(xiàn)，由此鎖定答案為moon。

第35題答案：neck

對(duì)應(yīng)原文：This particular stork made history because of the long spear in its neck which incredibly had not killed it

答案解析：stork和spear均可提示大家答案即將到來，空前詞in its在錄音中原詞出現(xiàn)，再加上事先可以根據(jù)題干猜測(cè)出空上應(yīng)該填某個(gè)身體部位，由此確定答案為neck。

第36題答案：evidence

對(duì)應(yīng)原文：This was a truly defining moment in the history of ornithology  it was the first evidence that storks spend their winters in sub-aharan Africa.

答案解析：這道題難度較大。一是沒有關(guān)鍵詞提示大家答案即將到來，二是空前詞there had been no的替換較為靈活。如果當(dāng)時(shí)沒有注意到first的話，就只能根據(jù)詞性鎖定幾個(gè)單詞之后再去篩選。

第37題答案：destinations

對(duì)應(yīng)原文：Before this,very little information was available about the actual destinations of particular species

答案解析：little提示大家答案即將到來，空前介詞about在錄音中原詞出現(xiàn)，根據(jù)修飾關(guān)系，確定destinations為正確答案。

第38題答案：oceans

對(duì)應(yīng)原文：This idea came about because it seemed impossible that small birds weighing only a few grams could fly over vast oceans

答案解析：聽到small birds意識(shí)到答案即將到來，空前形容詞huge與vast替換，根據(jù)修飾關(guān)系，確定oceans為正確答案。

第39題答案：recovery

對(duì)應(yīng)原文：This is still common practice today and relies upon what is known as‘recovery’

答案解析：雖然沒有明確的關(guān)鍵詞提示大家答案即將到來。但題干中詞匯的替換都比較明顯，depend on對(duì)應(yīng)rely on，called對(duì)應(yīng)known，由此鎖定recovery為正確答案。

第40題答案：atlas

對(duì)應(yīng)原文：In 1931,an atlas was published showing where the most common species of European birds migrated to

答案解析：聽到1931年意識(shí)到答案即將到來，從題干可以推測(cè)出空上應(yīng)該填名詞。因?yàn)榫渥咏Y(jié)構(gòu)幾乎沒有改變，因此很容易鎖定atlas，但要拼寫出來卻不太容易。

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