According to the periodic table,still some elements undiscovered.A.there seem to beB.it seems to beC

题目简介

According to the periodic table,still some elements undiscovered.A.there seem to beB.it seems to beC

题目详情

According to the periodic table,          still some elements undiscovered.
A.there seem to beB.it seems to beC.it seems thatD.here seem
题型:单选题难度:偏易来源:不详

答案

A

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