单项选择题
下列哪一项不属于声音的三要素?( )A.音调的高低B.声音的长短C.声音的强弱D.音色的好坏
单项选择题下列哪一项不属于声音的三要素?( )
If you want to end a conversation, what would you say? ...
单项选择题If you want to end a conversation, what would you say? A、It’s a pleasure talking to you. B、It was great speaking to you. C、We would touch base later. D、All of them.
地面破坏效应为强烈地面运动造成场地、地基的失稳或失效、包括液化、地面破裂、地基沉陷、滑坡等。
判断题地面破坏效应为强烈地面运动造成场地、地基的失稳或失效、包括液化、地面破裂、地基沉陷、滑坡等。