【简答题】Kim rejects ____________thatcountry music is over-sentimental. (accuse) 2. Davidnodded an ______________________ashe entered the room. (acknowledge)
【简答题】配平下列反应方程式 (3) K 2 Cr 2 O 7 + KI + H 2 SO 4 → K 2 SO 4 + Cr 2 (SO 4 ) 3 + I 2 + H 2 O (7) P + NaOH + H 2 O → NaH 2 PO 2 + PH 3 ( 12 ) KMnO 4 +NaNO 2 +KOH →K 2 MnO 4 +NaNO 3 +H 2 O (16) As 2 S 3 + HNO ...