CARA MUDAH MEMAHAMI SOAL-SOAL TOEFL(LISTENING)PART 3(B)

QUESTION 
Welcome to aquarium.As we begin our tour,the first animal we'll see today is the starfish.You probably have seen pictures of the starfish,but in a few minutes you'll see some live ones and learn a little about thier structure and life cycle.First of all,starfish are not really fish,they belong to the family of echinoderms which are spiny skinned sea animal,that is,their skin is covered with thorny bumps.Most starfish have five arm like extensions on thier bodies.And so they look like a five pointed star.But some other kinds have as many as 40 or more arms.Starfish,like other members of the echinoderm family,have what's called radial symmetry.All that means is that the body parts of these animals are arranged around the center,kind of like spokes of a wheel around a hub.One of the special features of the starfish is that it can drop off arms ass a defensive reaction,to get away from an attacker,for example.They can then grow new arms to replace the old ones.starfish reproduce by releasing eggs into the sea.These eggs develop into larvae,and can swim freely.These early forms,which are what larvae are,differ from adult starfish,because the larvae have bilateral symmetry.That means that the two halves of the larvae look exactly the same,which makes them look a lot different from the later form of the starfish.Eventually the larvae sink to the ocean bottom and change into the adult radial form.If you don't have questions,we'll go in now and see some of the creatures in person.

1.What is the talk mainly about?
    a.Reproduction in echinoderms.
    b.How firh avoid their enemies
    c.The form and life cycle of starfish
    d.The feeding habits and digestive systems of starfish
Jawab:(C)The form and life cycle of starfish
Key word:about their structure and life cycle
pembahasan:Teks tersebut membahas tentang bintang laut,struktur atau bentuk dan daur hidupnya
2.What does the speaker say about the skin of echinoderms?
    a.It consists of a protective film.
    b.It is covered with scales.
    c.It can be shed easily.
    d.It is covered with sharp bumps.
Jawab:(D)it is covered with sharp bumps.
key word:their skin is covered with thorny bumps.
pembahasan:Dalam teks tersebut disebutkan bahwa kulit. echinoderms ditutupi"thorny bumps"yang berarti duri yang tajam.
3.Why does the speaker give the example of a hub of a wheel surrounded by spokes?
    a.To explain how a starfish reproduces.
    b.To illustrate the shape of a starfish.
    c.To demobstrate the defense mechanisms of starfish.
    d. To show how larvae change into adult starfish.
Jawab:(B)To illustrate the shape of a starfish.
key word:is that the body parts of these animals are arranged around the center
pembahasan:Teks tersebut mencoba mengambarkan bagian tubuh bintang laut seperti roda yang dikelilingi duri tajam.
4.What happens if a starfish loses an arm?
    a.It generates a new one
    b.It cannot swim
    c.It is easily caught
    d.It dies soon afterward
Jawab:(A)It generates a new one
Key word:They can then grow new arms to replace the old ones
pembahasan:Dari teks tersebut dapat diketahui bahwa bintang laut dapat mengganti tangannya yang lama dengan yang baru.
5.What is the major difference between newly developed and adult starfish?
   a.Their diet.
   b.The shape of their bodies. 
   c.Where they feed.
   d.Their method of defense.
Jawab:(B)The shape of their bodies
key word:because the the larvae have bilateral symmetry 
Pembahasan:yang berbeda dari bintang laut larve dengan yang sudah dewasa adalah pada bentuk tubuhnya,dimana larva memiliki simetri bilateral. 

fererence

Tim Master Eduka

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