单选题 Human ingenuity was initially demonstrated in ______.
更新日期:2022-07-19
the use of machines to produce science fiction
the wide use of machines in manufacturing industry
the invention of tools for difficult and dangerous work
the elite’s cunning tackling of dangerous and boring work
单选题 According to the passage, why did museums and cultural centers in inner cities decline in attendance?
更新日期:2022-07-19
The tickets were too expensive.
The museums were out-of-date.
The areas were not safe.
The patrons were not well educated.
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