Here's to Never Growing UpSinging radiohead (1 )our lungsWith the boom box blaring as we're falling in loveI got a bottle of whatever but it's getting us ( 2 )Singing here's to never growing upCall up all our friendsGo hard this weekendFor no damn reason I don't think we'll ( 3 )We don't ever stop and we're never gonna changeSay won't you say forever stayIf you stay (4 ) heyWe can stay forever youngchangeSay won't you say forever stayIf you stay forever heyWe can stay forever ( 5 )
下列金属单质中,熔点最高的是
A. V
B. Cr
C. W
D. Mn
KMnO4与Na2SO3反应生成无色的锰离子,应在下列哪种介质中?
A. NaOH溶液
B. H2SO4溶液
C. H2O
D. 固态研磨反应
第一过渡系元素是指
A. 第四周期过渡元素
B. 第五周期过渡元素
C. 镧系元素
D. 锕系元素