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Reading Practice Test - 4 (Fact Fiction)
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Directions: Choose the most appropriate word to fill the (ii) 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.
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A
circulatory
💡 Explanation:
The blank (ii) refers to 'The _____ system' of the white shark. Among the options, 'circulatory' is the only system that fits the context - the passage then discusses body temperature and its effects on digestion and metabolism. The circulatory system is responsible for heat distribution in the body, which connects to the temperature discussion.