Many heavy metals are very rare and we shouldnt throw them away. -()

科目名称：理工英语3

试卷号：11377

题型：交际用语(单选题)

题目：Many heavy metals are very rare and we shouldnt throw them away. -()

选项：A.I agree with you. B.It is up to you. C.Who knows.

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答案：A.I agree with you.