衛(wèi)生類(lèi)-概括大意（2月2日）_職稱(chēng)英語(yǔ)網(wǎng)校

概括大意與完成句子

Good news for chocoholics：the treat preferred by millions all over the world is good for you, according to American researchers at the University of California．Chocolate contains substances called flavonoids(類(lèi)黃酮) that can help maintain a healthy heart and good circulation．The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body：these chemicals help to reduce pain and stress and make you feel happy.

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．

【正確答案】 B

【答案解析】 因果關(guān)系詞=信號(hào)詞。凡是注釋中文的地方可能是答案區(qū)域。

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