单项选择题

From the passage we can draw a conclusion that if we want to keep healthy, we should（）

A．only eat an apple a day
B．eat properly
C．take as many vitamin pills as possible
D．throw something into our stomachs slowly and carefully

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单项选择题

This passage is mainly about（）

A．why English has become a global language
B．how many people in the world speak English
C．how people in the world learn English as a foreign language
D．whether we need to worry about English being a world language