IELTS Listening Practice Test
THE ROLE OF SLEEP IN HUMANS AND ANIMALS
Importance of sleep in animals
  • Compared to those without food, animals without sleep are more likely to suffer from

    1
    attack
    .

  • Sleep is necessary for all animals, whether they are reptiles,

    2
    mammals
     or fish.

Differences in animals’ sleep and reasons for their ways of resting
  • Dolphins

    • Swim to the surface when sleeping, because they need to

      3
      breathe
      .

  • Birds

    • Are constantly

      4
      on edge
       in the presence of numerous predators.

  • Horses

    • Do most of their sleeping standing up.

    • Do occasionally take short naps lying down. Lying in one position for a long time could well injure a horse, because their

      5
      bones
       are delicate.

Potential problems encountering
  • Animals can also have

    6
    sleeping problems
    , the same as humans

Importance of sleep in humans
  • It helps us to organize our

    7
    memories
     of the day

  • It plays a key role in

    8
    learning
    

E.g.
  • Because of the similar sleeping pattern to that in humans,

    9
    rats
     are studied in order to increase our knowledge of human physiology.

  • Scientists choose to study the

    10
    genetic structure
     of the fruit fly in order to know the function of the human gene and understand development  processes in humans.

ĐÁP ÁN & GIẢI THÍCH CÂU 1

Giải thích chi tiết

smiley30 Mình cần nghe xem nếu thiếu ngủ, động vật có khuynh hướng bị gì (likely to suffer from ____) smiley28 Tác giả đã nhấn mạnh “Without sleep, an animal is much less capable of avoiding an attack

=> Động vật sẽ dễ bị tấn công hơn khi thiếu ngủ => Likely to suffer from attack => Đáp án: attack check

Lưu ý
  • Nội dung giải thích được viết bởi DOL IELTS Đình Lực - Học Viện Tiếng Anh Tư Duy đầu tiên tại Việt Nam
  • Đề được viết bởi nhà xuất bản lớn gồm Cambridge và Oxford