题目内容
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[主观题]
What can we assume about photographers in the 1800s？A．Most of them had originally been pai
What can we assume about photographers in the 1800s？
A．Most of them had originally been painters before they became interested in photography.
B．Portrait photographers were in the highest demand since people wanted images of their families.
C．There were only a few photographers who were willing to work in such a new profession.
D．Some of them must have experienced health problems as a result of their laboratory work.
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