A:1个N≡N键断裂的同时,有3个N–H键形成
B:1个N≡N键断裂的同时,有3个H–H键断裂
C:1个N≡N键断裂的同时,有6个N–H键断裂
D:1个N≡N键断裂的同时,有6个N–H键形成
自尊是一种自我尊重,并期待自己的价值得到他人认可和欣赏的健康良好的心理状态。下列选项体现自尊的是( )
—Why are you looking for Mary in a hurry, John?
—The boss is wondering where she _____ and how long she ______ there.
____ ____ they going to eat?