单项选择题

People in ancient Greece understood that______.

A．some tree bark and leaves could be used as aspirin
B．some tree bark and leaves had certain medical effects
C．aspirin was a good pain killer
D．aspirin could cure arthritis

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热门试题

单项选择题

What is the main purpose of this passage

A．To point' out we have greatly improved our reading methods.
B．To explain how silent reading developed.
C．To illustrate the advantages of silent reading over reading aloud.
D．To criticize the mass media.

单项选择题

Why did people usually read aloud before the nineteenth century

A．Few people could read for themselves, so those literate people read aloud to them.
B．Reading aloud was a mark of one's literacy.
C．Silent reading was not prevailing at that time.
D．People read aloud for entertainment.