题目内容

When it reaches the brain, levodopa is changed to depamine. It replaces the dopamine lacking in patients with Parkinson's disease.

A. 左旋多巴到达脑部时就变成了青霉胺。它取代了多巴胺使患者患上了帕金森病。
B. 左旋多巴到达脑部时就变成了青霉胺。它取代了帕金森病患者缺失的多巴胺。

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The most recent development in treatment of Parkinson's disease is brain tissue transplants. This involves replacing tissue in areas of the brain that cause symptoms of the disease.

A. 近年来,治疗帕金森病的疗法是脑组织移植。这包括替换有病症的脑组织。
B. 帕金森病的最新疗法是脑组织移植。这包括替换有病症的脑组织。

unborn babies

brain tissue

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