Multiple choice

Directions: Choose the most appropriate word to fill the (iii) blank.

The white shark is at the top of the (i) _____ food chain. The (ii) ___ system is different from that of other sharks. Its (iii) __ temperature is about three to five degrees Celsius above water temperature. This speeds up its (iv) _____ and adds to its strength and endurance.

  1. circulatory

  2. marine

  3. digestion

  4. blood
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blank (iii) asks about 'Its _____ temperature'. 'Blood' is the correct answer because blood temperature is a direct measure of body temperature. The passage discusses how the shark's blood/body temperature is 3-5 degrees Celsius above water temperature. 'Circulatory' and 'marine' don't grammatically fit '_____ temperature' in this context.

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