单选题
Why is chocolate good for heart and circulation?
A、
It reduces pain and stress.
B、
It contains substances called flavonoids.
C、
It releases endorphins in human body.
D、
It acts like aspirin to protect heart.
【正确答案】
B
【答案解析】
原文是:“巧克力中含有一种叫类黄酮的物质,它能维护心脏的健康并促进血液循环。” 故答案为B。
提交答案
关闭