单项选择题

We can infer from this passage that ______.

A．medical practitioners are in want
B．medical personnel have met the needs in US
C．doctors graduated from medical schools
D．doctors used to do many of the routine tasks

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单项选择题

Stephens and Catherwood are most probably ______.

A．historians
B．travelers
C．archeologists
D．anthropologists

单项选择题

Why did Fash and Agurcia come to explore Copan

A．Because they hoped to find gold and silver.
B．Because they were attracted by the presence of Altar Q.
C．Because they wanted to explore Altar Q.
D．Because they hoped to discover Rosalila building.