C．Green tea protects against heart disease

　　D．Green tea reduces the risk of cancer

　　42．According to the study，green tea can do the following EXCEPT________.

　　A．improve blood flow

　　B．benefit cardiovascular health

　　C．help relax arteries

　　D．increase the oxidation rate of flavonoids

　　43．Which of the following statements is TRUE?

　　A．Green tea is better than black tea because it has been processed.

　　B．Green tea contains more flavonoids than black tea.

　　C．Vlachopoulos’s study is based on many years’ research.

　　D．Vlachopoulos’s study is the first to show green tea’s benefits.

　　44．We can learn from the passage that________.

　　A．14 volunteers with heart disease joined in the experiment

　　B．it takes an hour for green tea to take effect

　　C．green tea has a long－lasting effect according to Vlachopoulos

　　D．Westerners prefer green tea to black tea

　　45．Which one of the following factors is NOT related with the research procedure?

　　A．The volunteers.

　　B．The drinks.

　　C．Blood samples.

　　D．Objects for time－measuring.

　　Ⅰ.单项填空

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