单选题：What is Belcher's team doing at present?

题目分类：理工类
题目类型：单选题
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题目内容：

What is Belcher's team doing at present? A．It is finding ways to get rid of viruses.
B．It is mass-producing microbatteries.
C．It is making batteries with viruses.
D．It is analyzing virus genes.

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答案解析：

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分类：理工类题型：单选题

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