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单选题 <iframe src="/ananas/common-modules/audioplay/audioplay.html?objectid=832ca1eee9b27b4a3603d92d6f88c365"></iframe>小题:7
A. A) Because the technology is not mature
B. B) Because the results may be influenced by various factors
C. C) Because the testing condition is not stable
D. D) Because its database is incomplete

学科:进阶英语4
时间:2026-03-30 10:43:35
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