题目详情
单选题 What new technology has the California company come up with
A. It can test the mercury level in a particular piece of fish in 40 seconds
B. It can test the mercury level in human in 40 seconds
C. It can test the mercury level in a particular piece of fish in 45 minutes
D. It can test the mercury level in human in 45 minutes

学科:新闻听力2022级
时间:2023-11-14 11:42:16
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