Reading answers with explanations

Multilevel · Part 4 · CEFR Mock Test 04

Snakes: Reading answers

Answers to questions 21–29 (9 in all), each with why it is right.

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Snakes Snakes are elongated, legless, carnivorous reptiles that can be distinguished from legless lizards by their lack of eyelids and external ears. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads with their highly mobile jaws. To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one functional lung. Living snakes are found on every continent except Antarctica, and on most smaller land masses, exceptions include some large islands, such as Ireland, Iceland, Greenland, the Hawaiian…

Answers 21–29

  1. 21

    Snakes differ from reptiles by the absence of

    C: outer ears and eyelids Multiple choice

  2. 22

    What does "paired organs" mean about snakes?

    A: their double organs stay one behind the other. Multiple choice

  3. 23

    Titanoboa cerrejonensis

    A: lived in the past Multiple choice

  4. 24

    Kingsnakes

    B: has immune against other snakes venom Multiple choice

  5. 25

    Snakes can be found everywhere in the world.

    FALSE True / False / Not Given

  6. 26

    Some living snakes may be 12.8 meters (42 ft) long.

    FALSE True / False / Not Given

  7. 27

    Not all species kill their preys using venomous bites.

    TRUE True / False / Not Given

  8. 28

    Young python feed on only mice and lizards.

    NOT GIVEN True / False / Not Given

  9. 29

    Snakes don't eat other prey while digesting a recently eaten animal.

    NOT GIVEN True / False / Not Given

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