判斷題

水汽是大氣中唯一能發(fā)生相變的氣體。()

答案: 正確
微信掃碼免費(fèi)搜題
<label id="61j4n"></label>
<wbr id="61j4n"><fieldset id="61j4n"><pre id="61j4n"></pre></fieldset></wbr>
  • <em id="61j4n"><sup id="61j4n"></sup></em>
    <small id="61j4n"><small id="61j4n"><label id="61j4n"></label></small></small>
    <ins id="61j4n"><small id="61j4n"></small></ins>