sterile 无菌的

paradigm shift （思维认知的）彻底转变

probiotics 益生菌

new avenue 新的渠道，新的途径

测验 请听报道并回答下列问题。

1. Parkinson's disease affects which part of the human body?

2. What was introduced to the mice in the experiments?

3. True or false? Sterile mice showed symptoms of Parkinson's disease in the experiment.

4. Which word in the text means 'to cause something to start'?

答案 1. Parkinson's disease affects which part of the human body?

The brain.

2. What was introduced to the mice in the experiments?

Bacteria was put into the mice's stomachs.

3. True or false? Sterile mice showed symptoms of Parkinson's disease in the experiment.

False. Only these with bacteria in their stomachs developed symptoms, sterile mice remained health.

4. Which word in the text means 'to cause something to start'?

Activate.

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