Paragraph ComprehensionCâu 39 / 120
Regular exercise strengthens the heart. A stronger heart pumps blood more efficiently, which can lower a person's resting heart rate over time. The passage states that a stronger heart:
a.beats faster at rest
b.requires more oxygen
c.pumps blood more efficiently
d.shrinks in size
Giải thích
The passage explains that a stronger heart pumps blood more efficiently and can lower the resting heart rate. That matches the correct choice, while the others contradict the passage.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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