Which group 16 element is a metal? A: tellurium B: selenium C: tellurium and polonium D: sulfur E: polonium
Which group 16 element is a metal? A: tellurium B: selenium C: tellurium and polonium D: sulfur E: polonium
请找出与单词划线部分发音相同的选项。shock [ ] A: polonium B: devote C: honour D: discover
请找出与单词划线部分发音相同的选项。shock [ ] A: polonium B: devote C: honour D: discover
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