問題詳情
【題組】5,The purpose of the “guncotton” mentioned in paragraph 2 was to
(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
參考答案
答案：A
難度：困難0.333333
統計：A(1),B(1),C(1),D(0),E(0)