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What does the passage mainly discuss? [br] The purpose of the "guncotton" mentio
What does the passage mainly discuss? [br] The purpose of the "guncotton" mentio
游客
2024-01-05
68
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问题
What does the passage mainly discuss? [br] The purpose of the "guncotton" mentioned in paragraph 2 was to
选项
A、trap particles for analysis
B、slow the process of putrefaction
C、increase the airflow to the microscopic slide
D、aid the mixing of alcohol and ether
答案
A
解析
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